R3112Q271C-TR RICOH Co.,Ltd., R3112Q271C-TR Datasheet

R3112Q271C-TR

Manufacturer Part Number

R3112Q271C-TR

Description

Manufacturer

RICOH Co.,Ltd.

Datasheets

1.R3112N091A.pdf (16 pages)

2.R3112Q091A-TR.pdf (16 pages)

3.R3112N271A.pdf (18 pages)

Specifications of R3112Q271C-TR

Case

SOT23-4

Date_code

2003

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supply current by CMOS process, which can be operated at an extremely low voltage and is used for

system reset as an example.

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.

mounting on boards is possible.

Rev. 1.10

OUTLINE

The R3112 Series are voltage detector ICs with high detector threshold accuracy and ultra-low

Two types of packages, SOT-23-5 and ultra small SC-82AB can be selected so that high density

Each of these ICs consists of a voltage reference unit, a comparator, resistor net for detector

FEATURES

APPLICATIONS

BLOCK DIAGRAMS

is possible.

Vref

Built-in Output Delay Circuit

Ultra-low Supply Current

Wide Range of Operating Voltage

Detector Threshold

High Accuracy Detector Threshold

Low Temperature-Drift Coefficient of Detector Threshold

Two Output Types

Two Types of Packages

Battery Checker

Window Comparator

Wave Shaping Circuit

Battery Back-up Circuit

Power Failure Detector

CPU and Logic Circuit Reset

R3112XXX1A

Stepwise setting with a step of 0.1V in the range of 0.9V to 5.0V

SOT-23-5 (Mini-mold), SC-82AB

TYP. 1.0µA (V

0.7 6.0V(Topt=25 C)

- 1 -

TYP. 100ms with an external capacitor: 0.022 F

LOW VOLTAGE DETECTOR WITH OUTPUT DELAY

R3112xxx1A/C Series

Nch Open Drain and CMOS

OUT

GND

±2.0%

=3.5V)

Vref

R3112XXX1C

TYP. ±100ppm/ C

2001. Apr. 4

OUT

GND

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