Datasheet > R3112D12ATR

R3112D12ATR

更新时间： 2024-11-20 07:49:31

品牌	Logo	应用领域
理光 - RICOH		/
页数	文件大小	规格书
21页	222K
描述
Power Management Circuit,

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R3112D12ATR 数据手册

R3112x SERIES

LOW VOLTAGE DETECTOR WITH OUTPUT DELAY

NO. EA-087-0509

OUTLINE

The R3112 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

xꢀ Built-in Output Delay Circuit............................................... Typ. 100ms with an external capacitor:0.022PF

xꢀ Ultra-low Supply Current.................................................... Typ. 1.0PA (V^DD 3.5V)

xꢀ Wide Range of Operating Voltage ..................................... 0.7~6.0V(Topt 25qC)

xꢀ Detector Threshold ............................................................ Stepwise setting with a step of 0.1V in the range

of 0.9V to 5.0V is possible.

xꢀ High Accuracy Detector Threshold .................................... r2.0%

xꢀ Low Temperature-Drift Coefficient of Detector Threshold...Typ. r100ppm/qC

xꢀ Two Output Types.............................................................. Nch Open Drain and CMOS

xꢀ Three Types of Packages .................................................. SOT-23-5(Mini-mold),SC-82AB, SON1612-6

APPLICATIONS

xꢀ CPU and Logic Circuit Reset

xꢀ Battery Checker

xꢀ Window Comparator

xꢀ Wave Shaping Circuit

xꢀ Battery Back-up Circuit

xꢀ Power Failure Detector

BLOCK DIAGRAMS

R3112xxx1A

R3112xxx1C

VDD

OUT

VDD

OUT

GND

Vref

GND

12 3 4 5 6 7...21

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与R3112D12ATR相关器件

型号	品牌	获取价格	描述	数据表
R3112D131A	RICOH	获取价格	LOW VOLTAGE DETECTOR WITH OUTPUT DELAY
R3112D131A-TR	RICOH	获取价格	Power Supply Support Circuit, Fixed, 1 Channel, CMOS, PDSO6, 1.60 X 1.20 MM, SON-6
R3112D131A-TR-F	RICOH	获取价格	Power Supply Support Circuit, Fixed, 1 Channel, +1.3VV, CMOS, PDSO6, 1.60 X 1.20 MM, ROHS
R3112D131C	RICOH	获取价格	LOW VOLTAGE DETECTOR WITH OUTPUT DELAY
R3112D131C-TR	RICOH	获取价格	Power Supply Support Circuit, Fixed, 1 Channel, CMOS, PDSO6, 1.60 X 1.20 MM, SON-6
R3112D131C-TR-FA	RICOH	获取价格	Power Supply Support Circuit, Fixed, 1 Channel, CMOS, PDSO6, 1.60 X 1.20 MM, SON-6
R3112D13CTR	RICOH	获取价格	Power Management Circuit,
R3112D141A	RICOH	获取价格	LOW VOLTAGE DETECTOR WITH OUTPUT DELAY
R3112D141A-TR	RICOH	获取价格	Power Supply Support Circuit, Fixed, 1 Channel, CMOS, PDSO6, 1.60 X 1.20 MM, SON-6
R3112D141A-TR-F	RICOH	获取价格	Power Supply Support Circuit, Fixed, 1 Channel, +1.4VV, CMOS, PDSO6, 1.60 X 1.20 MM, ROHS

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