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PST9343UR Voltage Supervisor 4.3V SOT-343/SC-82A/SC70-4 marking 43 System Reset IC，Back-up power supply switching circuits
| 受检测电压数 Number of Voltages Monitored | 1 |
| 检测电压/复位阈值电压VDET Voltage - Threshold | 4.3V |
| 工作电压VIN Voltage - Supply | -0.3~10V |
| 高/低有效复位 Reset | 低 Active Low |
| 输出类型 Output Type | open collection |
| 看门狗 Watchdog | 无 No |
| 功耗Pd Power Dissipation | 150mW/0.15W |
| Description & Applications | •IC for System Reset •High-precision voltage detection VS±2% max. •Ultra-low current consumption ICCH=2.0µA typ. ICCL=2.0µA typ. •Low operating limit voltage 0.65V typ. •Hysteresis voltage provided for detection voltage 50mV typ. •Large output current during power-on 5mA min •Reset circuits for microcomputers, CPUs and MPUs •Reset circuits for logic circuits •Battery voltage check circuits •Back-up power supply switching circuits |
| 描述与应用 | •系统复位IC •高精度电压检测VS最大±2％。 •超低电流消耗ICCH=2.0μA（典型值）。 ICCL=2.0μA（典型值）。 •低工作电压的限制0.65V（典型值）。 •迟滞电压检测电压50mV的典型。 •大输出电流在电源上 5MA •微型计算机，CPU和MPU的复位电路。 •逻辑电路的复位电路 •电池电压检测电路 •备份电源开关电路 |
