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The RT7273 features three synchronous wide input range high efficiency Buck converters. The converters are designed to simplify its application while giving the designer the option to optimize their usage according to the target application. The converters can operate in 5V, 9V or 12V systems and have integrated power transistors. The output voltage can be set externally using a resistor divider to any value between 0.8V and the input supply minus 1V. Each converter features an enable pin that allows a delayed start-up for sequencing purposes, a soft-start pin that allows adjustable soft-start time by choosing the softstart capacitor, and a current limit pin (RLIMx) to adjust current limit by selecting an external resistor. The COMP pin allows optimizing transient versus dc accuracy response with a simple RC compensation. The switching frequency of the converters can either be set with an external resistor connected to ROSC pin or be synchronized to an external clock connected to SYNC pin if needed. The switching converters are designed to operate from 300kHz to 2.2MHz. The converters operate with 180°<span lang=EN-US style='font-size:9.0pt; font-family:Symbol'> </span>phase between CH 1 and CH 2, CH 3 (CH 2 and CH 3 ran in phase) to minimize the input filter requirements. The RT7273 also features a low power mode enabled by an external signal, which allows for a reduction on the input power supplied to the system when the host processor is in stand-by (low activity) mode.
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1. Purpose
<p class="MsoNormal">The RT7273 features three synchronous wide input range high efficiency Buck converters. The converters are designed to simplify its application while giving the designer the option to optimize their usage according to the target application. This document explains the function and use of the RT7273 evaluation board (EVB), and provides information to enable operation, modification of the evaluation board and circuit to suit individual requirements.</p>
2. Introduction
<h3>General Product Information</h3> <p class="bady">The RT7273 features three synchronous wide input range high efficiency Buck converters. The converters are designed to simplify its application while giving the designer the option to optimize their usage according to the target application. The converters can operate in 5V, 9V or 12V systems and have integrated power transistors. The output voltage can be set externally using a resistor divider to any value between 0.8V and the input supply minus 1V. Each converter features an enable pin that allows a delayed start-up for sequencing purposes, a soft-start pin that allows adjustable soft-start time by choosing the softstart capacitor, and a current limit pin (RLIMx) to adjust current limit by selecting an external resistor. The COMP pin allows optimizing transient versus dc accuracy response with a simple RC compensation. The switching frequency of the converters can either be set with an external resistor connected to ROSC pin or be synchronized to an external clock connected to SYNC pin if needed. The switching converters are designed to operate from 300kHz to 2.2MHz. The converters operate with 180°<span lang="EN-US" style="font-size:9.0pt; font-family:Symbol"> </span>phase between CH 1 and CH 2, CH 3 (CH 2 and CH 3 ran in phase) to minimize the input filter requirements. The RT7273 also features a low power mode enabled by an external signal, which allows for a reduction on the input power supplied to the system when the host processor is in stand-by (low activity) mode.</p>
3. Product Feature
<ul> <li> Wide Input Supply Voltage Range : 4.5V to 18V </li> <li> Output Range : 0.8V to (VIN - 1V) </li> <li> Fully Integrated Triple-Buck </li> ►Maximum Current 3.5A/2.5A/2.5A<br /> ►Continuous Operation 3A/2A/2A <li> High Efficiency </li> <li> Switching Frequency </li> ►300kHz to 2.2MHz Set by External Resistor <li> External Synchronization Pin for Oscillator </li> <li> External Enable/Sequencing Pins </li> <li> Adjustable Cycle-By-Cycle Current Limit Set by External Resistor </li> <li> Soft-Start </li> <li> Current Mode Control with Simple Compensation Circuit </li> <li> Power Good Indicator </li> <li> Discontinuous Operating Mode at Light Load when LOWP = High </li> </ul>
4. Key Performance Summary Table
<div> <table class="MsoTableLightListAccent2" border="1" cellspacing="0" cellpadding="0" width="680" style="width:510.2pt;border-collapse:collapse;border:none"> <tr style="height:17.0pt"> <td width="38%" style="width:38.9%;border:solid #009EB8 1.0pt;background: #009EB8;padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="ListParagraph1CxSpFirst">Key Features</p> </td> <td width="61%" style="width:61.1%;border:solid #009EB8 1.0pt;border-left: none;background:#009EB8;padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="ListParagraph1CxSpLast">Evaluation Board Number : PCB068_V1</p> </td> </tr> <tr style="height:17.0pt"> <td width="38%" style="width:38.9%;border:solid #009EB8 1.0pt;border-top: none;padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="ListParagraph1CxSpFirst">Input Voltage Range</p> </td> <td width="61%" style="width:61.1%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="ListParagraph1CxSpLast">4.5V to 18V</p> </td> </tr> <tr style="height:17.0pt"> <td width="38%" style="width:38.9%;border:solid #009EB8 1.0pt;border-top: none;padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="ListParagraph1CxSpFirst">Max Output Current (CH1/CH2/CH3)</p> </td> <td width="61%" style="width:61.1%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="ListParagraph1CxSpLast">3.5A/2.5A/2.5A</p> </td> </tr> <tr style="height:17.0pt"> <td width="38%" style="width:38.9%;border:solid #009EB8 1.0pt;border-top: none;padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="ListParagraph1CxSpFirst">Default Output Voltage (CH1/CH2/CH3)</p> </td> <td width="61%" style="width:61.1%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="ListParagraph1CxSpLast">1.2V/1.8V/3.3V</p> </td> </tr> <tr style="height:17.0pt"> <td width="38%" style="width:38.9%;border:solid #009EB8 1.0pt;border-top: none;padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="ListParagraph1CxSpFirst">Default Marking & Package Type</p> </td> <td width="61%" style="width:61.1%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="ListParagraph1CxSpLast">RT7273GQW, WQFN-40L 6x6</p> </td> </tr> <tr style="height:1.0cm"> <td width="38%" style="width:38.9%;border:solid #009EB8 1.0pt;border-top: none;padding:0cm 5.4pt 0cm 5.4pt;height:1.0cm"> <p class="ListParagraph1CxSpFirst">Operation Frequency</p> </td> <td width="61%" style="width:61.1%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:1.0cm"> <p class="ListParagraph1CxSpLast">Set by resistor connected with ROSC pin, with 383kΩ setting for 500kHz switching frequency.</p> </td> </tr> </table> </div>
5. Bench Test Setup Conditions
<h3>Headers Description and Placement </h3> <p class="MsoNormal"><a class="fancybox" href="/content/dam/richtek-eds/resources/evaluation-boards/evb_rt7273gqw/html-images/image001_en.jpg"><img width="491" height="355" id="圖片 4" src="/content/dam/richtek-eds/resources/evaluation-boards/evb_rt7273gqw/html-images/image001_en.jpg" alt="Technical Document Image Preview" /></a></p> <p class="2">Please carefully inspect the EVB IC and external components, comparing them to the following Bill of Materials, to ensure that all components are installed and undamaged. If any components are missing or damaged during transportation, please contact the distributor or send e-mail to <a href="mailto:evb_service@richtek.com" class="link">evb_service@richtek.com</a>.</p>
6. Test Points
<p class="MsoNormal">The EVB is provided with the test points and pin names listed in the table below.</p> <div> <table class="MsoTableLightListAccent2" border="1" cellspacing="0" cellpadding="0" width="680" style="width:510.2pt;border-collapse:collapse;border:none"> <tr style="height:1.0cm"> <td width="12%" style="width:12.5%;border:solid #009EB8 1.0pt;background: #009EB8;padding:0cm 5.4pt 0cm 5.4pt;height:1.0cm"> <p class="23CxSpFirst">Test point/</p> <p class="23CxSpMiddle">Pin name</p> </td> <td width="29%" style="width:29.12%;border:solid #009EB8 1.0pt;border-left: none;background:#009EB8;padding:0cm 5.4pt 0cm 5.4pt;height:1.0cm"> <p class="23CxSpMiddle">Signal</p> </td> <td width="58%" style="width:58.38%;border:solid #009EB8 1.0pt;border-left: none;background:#009EB8;padding:0cm 5.4pt 0cm 5.4pt;height:1.0cm"> <p class="23CxSpLast">Comment (expected waveforms or voltage levels on test points)</p> </td> </tr> <tr style="height:17.0pt"> <td width="12%" style="width:12.5%;border:solid #009EB8 1.0pt;border-top: none;padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="ListParagraph1CxSpFirst">VIN</p> </td> <td width="29%" style="width:29.12%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="ListParagraph1CxSpMiddle">Input voltage</p> </td> <td width="58%" style="width:58.38%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="ListParagraph1CxSpLast">Power input.</p> </td> </tr> <tr style="height:1.0cm"> <td width="12%" style="width:12.5%;border:solid #009EB8 1.0pt;border-top: none;padding:0cm 5.4pt 0cm 5.4pt;height:1.0cm"> <p class="ListParagraph1">EN</p> </td> <td width="29%" style="width:29.12%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:1.0cm"> <p class="MsoNormal">Enable test point</p> </td> <td width="58%" style="width:58.38%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:1.0cm"> <p class="ListParagraph1">Externally pulled high to enable and pulled low to disable this chip. It is internally pulled up to high when the pin is floating.</p> </td> </tr> <tr style="height:1.0cm"> <td width="12%" style="width:12.5%;border:solid #009EB8 1.0pt;border-top: none;padding:0cm 5.4pt 0cm 5.4pt;height:1.0cm"> <p class="ListParagraph1CxSpFirst">GND</p> </td> <td width="29%" style="width:29.12%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:1.0cm"> <p class="ListParagraph1CxSpMiddle">Ground</p> </td> <td width="58%" style="width:58.38%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:1.0cm"> <p class="ListParagraph1CxSpLast">The exposed pad must be soldered to a large PCB and connected to GND for maximum power dissipation.</p> </td> </tr> <tr style="height:17.0pt"> <td width="12%" style="width:12.5%;border:solid #009EB8 1.0pt;border-top: none;padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="ListParagraph1CxSpFirst">VINR</p> </td> <td width="29%" style="width:29.12%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="ListParagraph1CxSpLast">Internal Control Circuit Power</p> </td> <td width="58%" style="width:58.38%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="MsoNormal">Supply Voltage Input for Internal Control Circuit.</p> </td> </tr> <tr style="height:17.0pt"> <td width="12%" style="width:12.5%;border:solid #009EB8 1.0pt;border-top: none;padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="ListParagraph1CxSpFirst">PVCC</p> </td> <td width="29%" style="width:29.12%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="ListParagraph1CxSpLast">5V Internal Regulator Output</p> </td> <td width="58%" style="width:58.38%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="MsoNormal">Connect a capacitor 10µF between this pin and GND.</p> </td> </tr> <tr style="height:17.0pt"> <td width="12%" style="width:12.5%;border:solid #009EB8 1.0pt;border-top: none;padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="ListParagraph1CxSpFirst">VCC</p> </td> <td width="29%" style="width:29.12%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="ListParagraph1CxSpLast">4.6V Internal Regulator Output</p> </td> <td width="58%" style="width:58.38%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="MsoNormal">Connect a capacitor 3.3µF between this pin and GND.</p> </td> </tr> <tr style="height:1.0cm"> <td width="12%" style="width:12.5%;border:solid #009EB8 1.0pt;border-top: none;padding:0cm 5.4pt 0cm 5.4pt;height:1.0cm"> <p class="ListParagraph1CxSpFirst">SS</p> </td> <td width="29%" style="width:29.12%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:1.0cm"> <p class="ListParagraph1CxSpLast">Soft-Start Control</p> </td> <td width="58%" style="width:58.38%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:1.0cm"> <p class="MsoNormal">Connect an external capacitor between this pin and GND to set the soft-start time.</p> </td> </tr> <tr style="height:17.0pt"> <td width="12%" style="width:12.5%;border:solid #009EB8 1.0pt;border-top: none;padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="ListParagraph1">PG</p> </td> <td width="29%" style="width:29.12%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="MsoNormal">Power good test point</p> </td> <td width="58%" style="width:58.38%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="ListParagraph1">Output of power good indicator.</p> </td> </tr> <tr style="height:1.0cm"> <td width="12%" style="width:12.5%;border:solid #009EB8 1.0pt;border-top: none;padding:0cm 5.4pt 0cm 5.4pt;height:1.0cm"> <p class="ListParagraph1">LOWP</p> </td> <td width="29%" style="width:29.12%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:1.0cm"> <p class="MsoNormal">Discontinuous Operation Mode Input</p> </td> <td width="58%" style="width:58.38%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:1.0cm"> <p class="MsoNormal">Discontinuous Operating Mode at Light Load when LOWP = High (Active High).</p> </td> </tr> <tr style="height:17.0pt"> <td width="12%" style="width:12.5%;border:solid #009EB8 1.0pt;border-top: none;padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="ListParagraph1">VLX</p> </td> <td width="29%" style="width:29.12%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="MsoNormal">Switch node test point</p> </td> <td width="58%" style="width:58.38%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="ListParagraph1">Switch Output for CH 1/2/3.</p> </td> </tr> <tr style="height:17.0pt"> <td width="12%" style="width:12.5%;border:solid #009EB8 1.0pt;border-top: none;padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="ListParagraph1">SYNC</p> </td> <td width="29%" style="width:29.12%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="MsoNormal">Synchronous Clock Input</p> </td> <td width="58%" style="width:58.38%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="ListParagraph1">Connect to GND if not used.</p> </td> </tr> </table> </div>
7. Power-up & Measurement Procedure
<p class="MsoListParagraph">1. Apply a 12V nominal input power supply (4.5< V<sub>IN</sub> < 18V) to the VIN and GND terminals.</p> <p class="MsoListParagraph">2. Set the jumper at JP2/JP3/JP4 to connect terminals to H pin, connecting EN to enable operation.</p> <p class="MsoListParagraph">3. Set the jumper at JP1 to short with GND, disable the frequency synchronous function.</p> <p class="MsoListParagraph">4. Verify the output voltage (V<sub>OUT1</sub> = 1.2V, V<sub>OUT2</sub> = 1.8V, V<sub>OUT3</sub> = 3.3V).</p>
8. Output Voltage Setting
<p class="MsoNormal">Set the output voltage with the resistive divider between VOUT and GND with the midpoint connected to FB. The output is set by the following formula :</p> <p class="MsoNormal"><a class="fancybox" href="/content/dam/richtek-eds/resources/evaluation-boards/evb_rt7273gqw/html-images/image002_en.png"><img width="167" height="48" src="/content/dam/richtek-eds/resources/evaluation-boards/evb_rt7273gqw/html-images/image002_en.png" alt="Technical Document Image Preview" /></a></p> <p class="MsoNormal"><a class="fancybox" href="/content/dam/richtek-eds/resources/evaluation-boards/evb_rt7273gqw/html-images/image003_en.png"><img width="167" height="48" src="/content/dam/richtek-eds/resources/evaluation-boards/evb_rt7273gqw/html-images/image003_en.png" alt="Technical Document Image Preview" /></a></p> <p class="MsoNormal"><a class="fancybox" href="/content/dam/richtek-eds/resources/evaluation-boards/evb_rt7273gqw/html-images/image004_en.png"><img width="167" height="48" src="/content/dam/richtek-eds/resources/evaluation-boards/evb_rt7273gqw/html-images/image004_en.png" alt="Technical Document Image Preview" /></a></p>
9. Schematic, Bill of Materials & Board Layout
<h3>EVB Schematic Diagram</h3> <p class="MsoNormal"><a class="fancybox" href="/content/dam/richtek-eds/resources/evaluation-boards/evb_rt7273gqw/html-images/image005_en.jpg"><img border="0" width="680" height="400" id="圖片 3" src="/content/dam/richtek-eds/resources/evaluation-boards/evb_rt7273gqw/html-images/image005_en.jpg" alt="Technical Document Image Preview" /></a></p>
10. Bill of Materials
<div> <table class="MsoTableLightListAccent2" border="1" cellspacing="0" cellpadding="0" width="680" style="border-collapse:collapse;border:none"> <thead> <tr style="height:17.0pt"> <td width="20%" style="width:20.86%;border:solid #009EB8 1.0pt;border-bottom: solid #009EB8 1.0pt;background:#009EB8;padding:0cm 5.4pt 0cm 5.4pt; height:17.0pt"> <p class="MsoNormal">Reference</p> </td> <td width="5%" style="width:5.54%;border:solid #009EB8 1.0pt;border-left: none;background:#009EB8;padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="MsoNormal">Qty</p> </td> <td width="25%" style="width:25.02%;border-top:solid #009EB8 1.0pt; border-left:none;border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; background:#009EB8;padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="MsoNormal">Part Number</p> </td> <td width="18%" style="width:18.04%;border:solid #009EB8 1.0pt;border-left: none;background:#009EB8;padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="MsoNormal">Description</p> </td> <td width="16%" style="width:16.68%;border-top:solid #009EB8 1.0pt; border-left:none;border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; background:#009EB8;padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="MsoNormal">Package</p> </td> <td width="13%" style="width:13.86%;border:solid #009EB8 1.0pt;border-left: none;background:#009EB8;padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="MsoNormal">Manufacture</p> </td> </tr> </thead> <tr style="height:17.0pt"> <td width="20%" style="width:20.86%;border:solid #009EB8 1.0pt;border-top: none;padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="MsoNormal">U1</p> </td> <td width="5%" style="width:5.54%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="MsoNormal">1</p> </td> <td width="25%" style="width:25.02%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="MsoNormal">RT7273GQW</p> </td> <td width="18%" style="width:18.04%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="MsoNormal">DC/DC Converter</p> </td> <td width="16%" style="width:16.68%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="MsoNormal">WQFN-40L 6x6</p> </td> <td width="13%" style="width:13.86%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="MsoNormal">RICHTEK</p> </td> </tr> <tr style="height:17.0pt"> <td width="20%" style="width:20.86%;border:solid #009EB8 1.0pt;border-top: none;padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="MsoNormal">C1, C2, C3, C4, C5, C6, C25, C28, C29</p> </td> <td width="5%" style="width:5.54%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="MsoNormal">9</p> </td> <td width="25%" style="width:25.02%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="MsoNormal">0603B472K500</p> </td> <td width="18%" style="width:18.04%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="MsoNormal">4.7nF/50V/X7R</p> </td> <td width="16%" style="width:16.68%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="MsoNormal">C0603</p> </td> <td width="13%" style="width:13.86%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="MsoNormal">WALSIN</p> </td> </tr> <tr style="height:17.0pt"> <td width="20%" style="width:20.86%;border:solid #009EB8 1.0pt;border-top: none;padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="MsoNormal">C7, C24, C31</p> </td> <td width="5%" style="width:5.54%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="MsoNormal">3</p> </td> <td width="25%" style="width:25.02%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="MsoNormal">C1608X7R1H104KT000N</p> </td> <td width="18%" style="width:18.04%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="MsoNormal">0.1µF/50V/X7R</p> </td> <td width="16%" style="width:16.68%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="MsoNormal">C0603</p> </td> <td width="13%" style="width:13.86%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="MsoNormal">TDK</p> </td> </tr> <tr style="height:17.0pt"> <td width="20%" style="width:20.86%;border:solid #009EB8 1.0pt;border-top: none;padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="MsoNormal">C9, C10, C17, C26, C30</p> </td> <td width="5%" style="width:5.54%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="MsoNormal">5</p> </td> <td width="25%" style="width:25.02%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="MsoNormal">GRM31CR71E106KA12L</p> </td> <td width="18%" style="width:18.04%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="MsoNormal">10µF/25V/X7R</p> </td> <td width="16%" style="width:16.68%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="MsoNormal">C-1206</p> </td> <td width="13%" style="width:13.86%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="MsoNormal">muRata</p> </td> </tr> <tr style="height:17.0pt"> <td width="20%" style="width:20.86%;border:solid #009EB8 1.0pt;border-top: none;padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="MsoNormal">C11, C12, C16, C18, C21, C22, C23</p> </td> <td width="5%" style="width:5.54%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="MsoNormal">7</p> </td> <td width="25%" style="width:25.02%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="MsoNormal">GRM32ER61C226KE20L</p> </td> <td width="18%" nowrap style="width:18.04%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="MsoNormal">22µF/16V/X5R</p> </td> <td width="16%" style="width:16.68%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="MsoNormal">C-1210</p> </td> <td width="13%" style="width:13.86%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="MsoNormal">muRata</p> </td> </tr> <tr style="height:17.0pt"> <td width="20%" style="width:20.86%;border:solid #009EB8 1.0pt;border-top: none;padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="MsoNormal">C13, C15, C32</p> </td> <td width="5%" style="width:5.54%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="MsoNormal">3</p> </td> <td width="25%" style="width:25.02%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="MsoNormal">0603B471K200</p> </td> <td width="18%" nowrap style="width:18.04%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="MsoNormal">470pF/50V/X7R</p> </td> <td width="16%" style="width:16.68%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="MsoNormal">C0603</p> </td> <td width="13%" style="width:13.86%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="MsoNormal">WALSIN</p> </td> </tr> <tr style="height:17.0pt"> <td width="20%" style="width:20.86%;border:solid #009EB8 1.0pt;border-top: none;padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="MsoNormal">C14, C19, C20</p> </td> <td width="5%" style="width:5.54%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="MsoNormal">3</p> </td> <td width="25%" style="width:25.02%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> </td> <td width="18%" style="width:18.04%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="MsoNormal">NC</p> </td> <td width="16%" style="width:16.68%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="MsoNormal">C0603</p> </td> <td width="13%" style="width:13.86%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> </td> </tr> <tr style="height:17.0pt"> <td width="20%" style="width:20.86%;border:solid #009EB8 1.0pt;border-top: none;padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="MsoNormal">C27</p> </td> <td width="5%" style="width:5.54%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="MsoNormal">1</p> </td> <td width="25%" style="width:25.02%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="MsoNormal">C2012X5R1A335KT000N</p> </td> <td width="18%" style="width:18.04%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="MsoNormal">3.3µF/10V/X5R</p> </td> <td width="16%" style="width:16.68%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="MsoNormal">C-0805</p> </td> <td width="13%" style="width:13.86%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="MsoNormal">TDK</p> </td> </tr> <tr style="height:17.0pt"> <td width="20%" style="width:20.86%;border:solid #009EB8 1.0pt;border-top: none;padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="MsoNormal">L1, L2, L3</p> </td> <td width="5%" style="width:5.54%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="MsoNormal">3</p> </td> <td width="25%" style="width:25.02%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="MsoNormal">NR8040T4R7N</p> </td> <td width="18%" style="width:18.04%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="MsoNormal">4.7µH/4.1A</p> </td> <td width="16%" style="width:16.68%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="MsoNormal">8 x 8 x 4 mm</p> </td> <td width="13%" style="width:13.86%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="MsoNormal">TAIYO YUDEN</p> </td> </tr> <tr style="height:17.0pt"> <td width="20%" style="width:20.86%;border:solid #009EB8 1.0pt;border-top: none;padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="MsoNormal">R1</p> </td> <td width="5%" style="width:5.54%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="MsoNormal">1</p> </td> <td width="25%" style="width:25.02%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> </td> <td width="18%" style="width:18.04%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="MsoNormal">51k</p> </td> <td width="16%" style="width:16.68%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="MsoNormal">R-0603</p> </td> <td width="13%" style="width:13.86%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> </td> </tr> <tr style="height:17.0pt"> <td width="20%" style="width:20.86%;border:solid #009EB8 1.0pt;border-top: none;padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="MsoNormal">R3, R5, R17</p> </td> <td width="5%" style="width:5.54%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="MsoNormal">3</p> </td> <td width="25%" style="width:25.02%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> </td> <td width="18%" style="width:18.04%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="MsoNormal">20k</p> </td> <td width="16%" style="width:16.68%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="MsoNormal">R-0603</p> </td> <td width="13%" style="width:13.86%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> </td> </tr> <tr style="height:17.0pt"> <td width="20%" style="width:20.86%;border:solid #009EB8 1.0pt;border-top: none;padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="MsoNormal">R4</p> </td> <td width="5%" style="width:5.54%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="MsoNormal">1</p> </td> <td width="25%" style="width:25.02%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> </td> <td width="18%" style="width:18.04%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="MsoNormal">82k</p> </td> <td width="16%" style="width:16.68%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="MsoNormal">R-0603</p> </td> <td width="13%" style="width:13.86%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> </td> </tr> <tr style="height:17.0pt"> <td width="20%" style="width:20.86%;border:solid #009EB8 1.0pt;border-top: none;padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="MsoNormal">R7</p> </td> <td width="5%" style="width:5.54%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="MsoNormal">1</p> </td> <td width="25%" style="width:25.02%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> </td> <td width="18%" style="width:18.04%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="MsoNormal">383k</p> </td> <td width="16%" style="width:16.68%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="MsoNormal">R-0603</p> </td> <td width="13%" style="width:13.86%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> </td> </tr> <tr style="height:17.0pt"> <td width="20%" style="width:20.86%;border:solid #009EB8 1.0pt;border-top: none;padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="MsoNormal">R9, R11, R20</p> </td> <td width="5%" style="width:5.54%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="MsoNormal">3</p> </td> <td width="25%" style="width:25.02%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> </td> <td width="18%" style="width:18.04%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="MsoNormal">40.2k</p> </td> <td width="16%" style="width:16.68%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="MsoNormal">R-0603</p> </td> <td width="13%" style="width:13.86%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> </td> </tr> <tr style="height:17.0pt"> <td width="20%" style="width:20.86%;border:solid #009EB8 1.0pt;border-top: none;padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="MsoNormal">R12</p> </td> <td width="5%" style="width:5.54%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="MsoNormal">1</p> </td> <td width="25%" style="width:25.02%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> </td> <td width="18%" style="width:18.04%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="MsoNormal">80.8k</p> </td> <td width="16%" style="width:16.68%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="MsoNormal">R-0603</p> </td> <td width="13%" style="width:13.86%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> </td> </tr> <tr style="height:17.0pt"> <td width="20%" style="width:20.86%;border:solid #009EB8 1.0pt;border-top: none;padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="MsoNormal">R13</p> </td> <td width="5%" style="width:5.54%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="MsoNormal">1</p> </td> <td width="25%" style="width:25.02%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> </td> <td width="18%" style="width:18.04%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="MsoNormal">12.7k</p> </td> <td width="16%" style="width:16.68%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="MsoNormal">R-0603</p> </td> <td width="13%" style="width:13.86%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> </td> </tr> <tr style="height:17.0pt"> <td width="20%" style="width:20.86%;border:solid #009EB8 1.0pt;border-top: none;padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="MsoNormal">R15</p> </td> <td width="5%" style="width:5.54%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="MsoNormal">1</p> </td> <td width="25%" style="width:25.02%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> </td> <td width="18%" style="width:18.04%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="MsoNormal">32.4k</p> </td> <td width="16%" style="width:16.68%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="MsoNormal">R-0603</p> </td> <td width="13%" style="width:13.86%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> </td> </tr> <tr style="height:17.0pt"> <td width="20%" style="width:20.86%;border:solid #009EB8 1.0pt;border-top: none;padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="MsoNormal">R16</p> </td> <td width="5%" style="width:5.54%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="MsoNormal">1</p> </td> <td width="25%" style="width:25.02%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> </td> <td width="18%" style="width:18.04%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="MsoNormal">75k</p> </td> <td width="16%" style="width:16.68%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="MsoNormal">R-0603</p> </td> <td width="13%" style="width:13.86%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> </td> </tr> <tr style="height:17.0pt"> <td width="20%" style="width:20.86%;border:solid #009EB8 1.0pt;border-top: none;padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="MsoNormal">R18</p> </td> <td width="5%" style="width:5.54%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="MsoNormal">1</p> </td> <td width="25%" style="width:25.02%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> </td> <td width="18%" style="width:18.04%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="MsoNormal">100k</p> </td> <td width="16%" style="width:16.68%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="MsoNormal">R-0603</p> </td> <td width="13%" style="width:13.86%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> </td> </tr> <tr style="height:17.0pt"> <td width="20%" style="width:20.86%;border:solid #009EB8 1.0pt;border-top: none;padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="MsoNormal">R1</p> </td> <td width="5%" style="width:5.54%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="MsoNormal">1</p> </td> <td width="25%" style="width:25.02%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> </td> <td width="18%" style="width:18.04%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="MsoNormal">51k</p> </td> <td width="16%" style="width:16.68%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="MsoNormal">R-0603</p> </td> <td width="13%" style="width:13.86%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> </td> </tr> <tr style="height:17.0pt"> <td width="20%" style="width:20.86%;border:solid #009EB8 1.0pt;border-top: none;padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="MsoNormal">R3, R5, R17</p> </td> <td width="5%" style="width:5.54%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="MsoNormal">3</p> </td> <td width="25%" style="width:25.02%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> </td> <td width="18%" style="width:18.04%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="MsoNormal">20k</p> </td> <td width="16%" style="width:16.68%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> <p class="MsoNormal">R-0603</p> </td> <td width="13%" style="width:13.86%;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:0cm 5.4pt 0cm 5.4pt;height:17.0pt"> </td> </tr> </table> </div>
11. PCB Layout
<p class="23CxSpFirst"><a class="fancybox" href="/content/dam/richtek-eds/resources/evaluation-boards/evb_rt7273gqw/html-images/image006_en.jpg"><img border="0" width="491" height="355" id="圖片 1" src="/content/dam/richtek-eds/resources/evaluation-boards/evb_rt7273gqw/html-images/image006_en.jpg" alt="Technical Document Image Preview" /></a></p> <p class="23CxSpLast">Top View (1<sup>st</sup> layer)</p> <p class="MsoNormal"><a class="fancybox" href="/content/dam/richtek-eds/resources/evaluation-boards/evb_rt7273gqw/html-images/image007_en.jpg"><img border="0" width="492" height="355" id="圖片 5" src="/content/dam/richtek-eds/resources/evaluation-boards/evb_rt7273gqw/html-images/image007_en.jpg" alt="Technical Document Image Preview" /></a></p> <p class="10CxSpFirst">PCB Layout—Inner Side (2<sup>nd</sup> Layer)</p> <p class="MsoNormal"><a class="fancybox" href="/content/dam/richtek-eds/resources/evaluation-boards/evb_rt7273gqw/html-images/image008_en.jpg"><img border="0" width="492" height="356" id="圖片 6" src="/content/dam/richtek-eds/resources/evaluation-boards/evb_rt7273gqw/html-images/image008_en.jpg" alt="Technical Document Image Preview" /></a></p> <p class="10">PCB Layout—Inner Side (3<sup>rd</sup> Layer)</p> <p class="MsoNormal"><a class="fancybox" href="/content/dam/richtek-eds/resources/evaluation-boards/evb_rt7273gqw/html-images/image009_en.jpg"><img border="0" width="492" height="356" id="圖片 7" src="/content/dam/richtek-eds/resources/evaluation-boards/evb_rt7273gqw/html-images/image009_en.jpg" alt="Technical Document Image Preview" /></a></p> <p class="23">Bottom View (4<sup>th</sup> Layer)</p>
32
32
32
0
design-resources
designResourceMultipleTable
56
32
32
32
24
24
24
24
i18n(tabs.related-product.title)
relatedProductTabs
i18n(tab-item.parameter-section.title)
parameterSection
parameterSectionTab
i18n(tab-item.package-size-pin-size-section.title)
packageSizePinsSizeSection
packageSizePinsSizeSectionTab
i18n(tab-item.product-feature-section.title)
productFeatureSection
productFeatureSectionTab
24
24
24
24
32
32
32
32
scrollable-table
parameterTable
normal-table
table-group
package-size-pins-size
packageSizePinsSizeTable
productFeature
24
24
24
24
i18n(tabs.ordering-information.title)
orderingInformationTabs
i18n(tab-item.evb-section.title)
evbSection
evbSectionTab
i18n(tab-item.product-section.title)
productSection
productSectionTab
24
24
24
24
evbImageSwitcher
normal-table
card-list
evb
evbTable
productImageSwitcher
normal-table
card-list
products
productTable