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In TV main board design, it takes many kinds of DC/DC buck converter and LDO, and different platforms have different requirements. Richtek covers 5V/12V/23V/36V DCDC buck converter for your power map plan, and make you easy to choose best solution based on whether efficiency, power sequence, buck transient and ripple consideration.

Please click on the application name of the chart, to view a list of product applications

USB/SDIO Power Switch
Part NumberDescriptionRelated Products
RT9702/RT9702A80mΩ, 500mA/1.1A High Side Power Switches with FlagPower Switch
RT971180mΩ, 1.5A High-Side Power Switches with FlagPower Switch
LDO
Part NumberDescriptionRelated Products
RT90252A, Ultra Low Dropout LDOLinear Regulator (LDO) > Single Output LDO
RT9041A/RT9041B500mA, Low Voltage, LDO Regulator with External Bias SupplyLinear Regulator (LDO) > Single Output LDO
RT9042Maximum 3A, Ultra Low Dropout RegulatorLinear Regulator (LDO) > Single Output LDO
RT9179Adjustable, 300mA LDO Regulator with EnableLinear Regulator (LDO) > Single Output LDO
RT9179AAdjustable, 500mA LDO Regulator with EnableLinear Regulator (LDO) > Single Output LDO
RT9183AUltra Low Dropout 1.5A Linear RegulatorLinear Regulator (LDO) > Single Output LDO
Teminator DDR
Part NumberDescriptionRelated Products
RT9026DDR Termination RegulatorLinear Regulator (LDO) > Linear DDR Terminator
RT9040DDR Termination RegulatorLinear Regulator (LDO) > Linear DDR Terminator
RT9045ACost-Effective, 1.8A Sink/Source Bus Termination RegulatorLinear Regulator (LDO) > Linear DDR Terminator
RT9173DCost-Effective, Peak 3A Sink/Source Bus Termination RegulatorLinear Regulator (LDO) > Linear DDR Terminator
Voltage Detectors
Part NumberDescriptionRelated Products
RT9818Micro-Power Voltage DetectorsSupervisor > Reset IC
RT9819Micro-Power Voltage DetectorsSupervisor > Reset IC
HV/LV Buck
Part NumberDescriptionRelated Products
RT7285/RT7285A1.5A, 18V, 500kHz ACOT™ Synchronous Step-Down ConverterSwitching Regulators > Step-Down (Buck) Converter
RT7274/RT7279/RT7280/RT72812A, 18V, 700kHz ACOT™ Synchronous Step-Down ConverterSwitching Regulators > Step-Down (Buck) Converter
RT72783A, 18V, 700kHz ACOT™ Synchronous Step-Down ConverterSwitching Regulators > Step-Down (Buck) Converter
RT80591.5MHz, 1A, High Efficiency PWM Step-Down DC/DC ConverterSwitching Regulators > Step-Down (Buck) Converter
RT80736A, 2MHz, High Efficiency Synchronous Step-Down ConverterSwitching Regulators > Step-Down (Buck) Converter
RT80792.95V to 6V Input, 3A Output, 2MHz, Synchronous Step-Down ConverterSwitching Regulators > Step-Down (Buck) Converter
RT80772A, 2MHz, Synchronous Step-Down ConverterSwitching Regulators > Step-Down (Buck) Converter
RT8010/RT8010A1.5MHz, 1A, High Efficiency PWM Step-Down DC/DC ConverterSwitching Regulators > Step-Down (Buck) Converter
RT80553A, 2MHz, Synchronous Step-Down ConverterSwitching Regulators > Step-Down (Buck) Converter
RT8086B3.5A, 1.2MHz, Synchronous Step-Down ConverterSwitching Regulators > Step-Down (Buck) Converter
RT82795A, 36V, 500kHz Step-Down ConverterSwitching Regulators > Step-Down (Buck) Converter
Technical Documents
TitleLast UpdateShareDownload
Designing Applications with Lithium-Ion Batteries2017/11/17
Automotive Product Selection Guide2016/11/14
Buck Converter Selection Criteria2016/08/04
The Calculation of Output DC Offset for ACOT™ Control Buck Converter with Feed-forward Compensator2016/07/07
ACOT™ Stability Testing2016/06/21
Comparing Buck Converter Topologies2016/05/17
Richtek Wide Input Voltage Range DC/DC Power Solutions for Industrial, Automotive and LED lighting applications2016/04/08
The Reduction of Input Voltage Spike on Power Switches2016/04/08
ACOT™ (Advanced Constant-On Time) Synchronous Step-Down Converters2016/01/15
Power Mangement Components for Lithium-Ion Battery Powered Applications2015/11/23
Videos
TitleLast UpdateShareViews
How to estimate control loop bandwidth from the transient response time?2017/03/30 156
Introduction to Richtek's Advanced Constant On Time Buck Converters2013/05/14 33
Additional Documents
Title Last Update ShareDownload
Power Management Introduction and Selection Guide 2017/11/16
Power Management Components for Lithium-Ion Battery Powered Applications
鋰離子電池電源管理IC選擇指南
2017/11/16
ACOT™ Landing Page 2017/11/16
Reference Design
TitleLast UpdateShareDownload
Richtek Load Transient Tool2017/03/31
Evaluation Boards
TitleLast UpdateShareDownload
RT8279 Step-Down Converter Evaluation Board2016/12/26
3.5A, 1.2MHz, Synchronous Step-Down Converter2016/12/26
RT7280GQW Evaluation Board2016/12/26
RT7279GQW Evaluation Board2016/12/26
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