PST9121NR 电压检测器电源IC 2.1V SOT-153/SOT-25A/SOT23-5 marking/标记 21 系统复位IC,电平检测电路
受检测电压数Number of Voltages Monitored | 1 |
检测电压/复位阈值电压VDETVoltage - Threshold | 2.1V |
工作电压VINVoltage - Supply | -0.3~10V |
高/低有效复位Reset | |
输出类型Output Type | open collection |
看门狗Watchdog | 无 No |
功耗PdPower Dissipation | |
Description & Applications | •IC for System Reset •High precision voltage detection ±3% max. •Super low current consumption ICCH=1.5µA typ. ICCL=1.0µA typ. •Low operating threshold voltage 0.65V typ. •Hysteresis voltage is provided as a detect voltage 50mV typ. •Large output current at the time ON 15mA typ •Reset circuits for microcomputers, CPUs and MPUs •Reset circuits for logic circuits •Battery voltage check circuits •Back-up power supply switching circuits •Level detection circuits |
描述与应用 | •系统复位IC •高电压检测精度±3%最大。 •超级ICCH=1.5μA(典型值)的低电流消耗。 ICCL=1.0μA(典型值)。 经营门槛低电压0.65V(典型值)。 •迟滞电压作为检测电压50mV的典型。 •大输出电流的时候ON15毫安典型 •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 •电平检测电路 |
规格书PDF |