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The RT9824C is an integrated smart multi-voltage detector supervising three power supply voltage levels including 5V, 5.4V and additional 3.3V, 12V or other voltage which can be determined by external divided resisters. The RT9824C performs supervisory function by sending out <span class="overline">RESET</span> and CTR signals whenever the monitored voltages fall below 80% of voltage levels. The <span class="overline">RESET</span> and CTR signals will last the whole period before VCC recovering. Once the supervising voltages are recovered to higher than 80% of the voltage levels, the <span class="overline">RESET</span> and CTR signal will be released after 60ms delay time. </p>MR (Manual Reset) controls CTR signal during three monitored power supply voltages at normal voltage levels. When MR signal is in logic high, the CTR signal will be pulled low immediately. However the <span class="overline">RESET</span> will not be interfered and will be kept at high level. </p>The RT9824C is available in the TSOT-23-8 package.</p>
RT9824C Typical Circuit
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<div class="spec-list"><ul class="lv1"><li>Capable of Monitoring Three Inputs Precisely </li><li>Detection Threshold Voltages <ul class="lv2"> <li></li><li>VCC Connect to 5V or 3.3V Standby Power </li><li>V5 : 5V x 80% </li><li>V54 : 5.4V x 80% </li><li>VADJ : 1V (Using Resistor Divider) </li></ul> </li><li>Accuracy : ±2% </li><li><span class="overline">RESET</span> (Open Drain Output Active Low) </li><li>Built-in Recovery Delay 60ms </li><li>CTR (Open Drain Output Active Low) </li><li>Manual Reset (MR) Function </li><li>TSOT-23-8 Package </li><li>RoHS Compliant and Halogen Free </li></ul></div>
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RT9824C Ordering Information
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<div class="spec-list"><ul class="lv1"><li>LCD TV or Monitors </li><li>Consumer Electronic Products </li><li>System Voltage Detector </li></ul></div>
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