R3112Q451A 电压检测器电源IC 4.5V SOT-343/SC-82AB/SC70-4 marking/标记 EFD 低电压检测,内置输出延迟电路
受检测电压数Number of Voltages Monitored | 1 |
检测电压/复位阈值电压VDETVoltage - Threshold | 4.5V |
工作电压VINVoltage - Supply | 6.5V |
高/低有效复位Reset | 低 Active Low |
输出类型Output Type | open drain |
看门狗Watchdog | 无 No |
功耗PdPower Dissipation | 380mW/0.38W |
Description & Applications | •LOW VOLTAGE DETECTOR WITH OUTPUT DELAY •Built-in Output Delay Circuit Typ. 100ms with an external capacitor: 0.022µF •Supply Current Typ. 0.5µA •Operating Voltage 0.7 to 6.0V(Topt=25°C) •Detector Threshold. 0.9V to 5.0V •High Accuracy Detector Threshold ±2.0% •Low Temperature-Drift Coefficient of Detector Threshold...Typ. ±100ppm/°C •Two Output Types Nch Open Drain and CMOS •CPU and Logic Circuit Reset •Battery Checker •Window Comparator •Wave Shaping Circuit •Battery Back-up Circuit •Power Failure Detector |
描述与应用 | •低电压检测器具有输出延时 •内置输出延迟电路典型。 100ms的一个外部电容:0.022μF •供电电流典型。 0.5μA •工作电压0.7〜6.0V(TOPT= 25°C) •检测阈值。 0.9V至5.0V •高精度检测电压±2.0% •低温度漂移探测器阈值典型。温度系数±100ppm/°C •两个输出类型N沟道开漏和CMOS •CPU和逻辑电路复位 •电池检查 •窗口比较器 •波形整形电路 •备用电池电路 •电源故障检测器 |
规格书PDF |