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R3112Q181C 参数 Datasheet PDF下载

R3112Q181C图片预览
型号: R3112Q181C
PDF下载: 下载PDF文件 查看货源
内容描述: 与输出延迟低电压检测器 [LOW VOLTAGE DETECTOR WITH OUTPUT DELAY]
分类和应用: 输出元件
文件页数/大小: 30 页 / 952 K
品牌: RICOH [ RICOH ELECTRONICS DEVICES DIVISION ]
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R3112x SERIES
LOW VOLTAGE DETECTOR WITH OUTPUT DELAY
NO. EA-087-070112
OUTLINE
The R3112x Series are CMOS-based voltage detector ICs with high detector threshold accuracy and ultra-low
supply current, which can be operated at an extremely low voltage and is used for system reset as an example.
Each of these ICs consists of a voltage reference unit, a comparator, resistor net for detector threshold setting,
an output driver, a hysteresis circuit, and an output delay circuit. The detector threshold is fixed with high
accuracy internally and does not require any adjustment. Two output types, Nch open drain type and CMOS type
are available.
Three types of packages, SOT-23-5, small SC-82AB, and ultra-small SON1612-6 can be selected so that high
density mounting on boards is possible.
FEATURES
Built-in Output Delay Circuit............................................... Typ. 100ms with an external capacitor: 0.022µF
Supply Current ................................................................... Typ. 0.5µA (R3112x271A/C, V
DD
=2.6V)
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
Packages ........................................................................... SOT-23-5(Mini-mold),SC-82AB, SON1612-6
APPLICATIONS
CPU and Logic Circuit Reset
Battery Checker
Window Comparator
Wave Shaping Circuit
Battery Back-up Circuit
Power Failure Detector
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