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RT9823 Datasheet(PDF) 1 Page - Richtek Technology Corporation |
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RT9823 Datasheet(HTML) 1 Page - Richtek Technology Corporation |
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1 / 7 page  RT9823 1 DS9823-02 June 2011 www.richtek.com Pin Configurations (TOP VIEW) Ordering Information Note : Richtek products are : RoHS compliant and compatible with the current require- ments of IPC/JEDEC J-STD-020. Suitable for use in SnPb or Pb-free soldering processes. SOT-23-6 Smart Multi-Voltage Detector Features Capable of Monitoring Two Inputs Precisely VCC Connect to 5V or 3.3V Standby Power Detection Threshold Voltages V5 : 5V x 80% VADJ : 1V (Using Resistor Divider) Accuracy : ±±±±±2% CTR (Open Drain Output Active Low) Built-in Recovery Delay 300ms Manual CTR (MR) Function SOT-23-6 Package RoHS Compliant and Halogen Free Applications LCD TV or Monitors Consumer Electronic Products System Voltage Detector Marking Information ES= : Product Code DNN : Date Code General Description The RT9823 is an integrated smart multi voltage detector supervising two power supply voltage levels including 5V, and another voltage (such as 3.3V or 12V) , which can be set via an external resistive voltage divider. The RT9823 performs supervisory function by sending out a CTR signal whenever the monitored voltages fall below 80% of the voltage levels. The CTR signal will last the whole period before VCC recovers. Once the supervising voltages are recovered to higher than 80% of the voltage levels, the CTR signal will be released after a 300ms delay time. MR (Manual Reset) controls the CTR signal when the two monitored power supply voltages are at normal voltage levels. When the MR signal is in logic high, the CTR signal will be pulled low immediately. The RT9823 is available in a SOT-23-6 package. ES=DNN 4 23 5 6 Package Type E : SOT-23-6 RT9823 Lead Plating System G : Green (Halogen Free and Pb Free) |
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