HomedatasheetR3131N21DC-TR

R3131N21DC-TR Datasheet

Low Voltage Detector with built-in Delay Circuit
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Description

OUTLINE
R3130N/R3131N Series are low voltage detector ICs with built-in delay circuit, high Detector Threshold accuracy and ultra low supply current by CMOS process, which can be operated at low voltage. These ICs can be used as system reset generator, and each of these ICs consists of a voltage reference, a comparator, resistors for setting voltage detector threshold, an output driver transistor, and an output delay generator.

FEATURES
• Pin to Pin compatible with MAX 809/810 (R3130N××××: MAX 809, R3131N××××: MAX 810)
• Ultra-low supply Current ........................................................ TYP. 1.25µA (R313×N27××: VDD=3.0V)
• Operating Voltage Range  ........................................................ 1.0V to 6.0V (Topt=25°C)
• Detector Threshold .................................................................. Setting with a step of 0.1V in the range of1.6V to 4.8V is possible.
• Embedded Power on Reset Delay Time Circuit  .................... Delay Time can be designated. Refer to Selection Guide.
• High Accuracy Detector Threshold......................................... ±1.5%
• High Accuracy Output Delay Time ......................................... ±10.0%
• Low Temperature-Drift Coefficient of Detector Threshold... TYP. ±100ppm/°C
• Two Output Types .................................................................... Nch Open Drain and CMOS
• Small Package ........................................................................... SOT-23-3

APPLICATIONS
• CPU & Logic Circuit Reset
• Battery Checker
• Window Comparator
• Wave Shaping Circuit
• Battery Back-Up Circuit
• Power Failure Detector

Features

Parameters


Manufacturer information

RICOH CO.,LTD.
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