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R3117K481A

RICOH
Part Number R3117K481A
Manufacturer RICOH
Description LOW VOLTAGE DETECTOR
Published Mar 3, 2016
Detailed Description R3117x SERIES LOW VOLTAGE DETECTOR with SENSE pin NO.EA-186-080617 OUTLINE The R3117x series are CMOS-based voltage d...
Datasheet PDF File R3117K481A PDF File

R3117K481A
R3117K481A

Overview
R3117x SERIES LOW VOLTAGE DETECTOR with SENSE pin NO.
EA-186-080617 OUTLINE The R3117x 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, resistors for detector threshold setting, an output driver and a hysteresis circuit.
The detector threshold is fixed with high accuracy internally and does not require any adjustment.
The tolerance of the detector threshold is ±15mV (-VDET <= 1.
5V) or ±1.
0% (1.
5V< -VDET).
Since the sense pin is separated from the VDD pin of the IC, therefore, even if the sense pin voltage becomes to 0V, the output voltage keeps its "L" level.
Two output types, Nch open drain type and CMOS type are available.
Three types of packages, SOT-23-5, SC-88A, and DFN(PLP)1010-4 are available.
FEATURES∗ • Supply Current .
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