HomedatasheetR3112Q271A-TR-F

R3112Q271A-TR-F Datasheet

LOW VOLTAGE DETECTOR WITH OUTPUT DELAY
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Description

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 delaycircuit. 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.

FEATURES
• Built-in Output Delay Circuit............................................... Typ. 100ms with an external capacitor: 0.022µF
• Supply Current................................................................... Typ. 0.5µA (R3112x271A/C, VDD=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

Features

Parameters

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Manufacturer information

RICOH CO.,LTD.
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