R3111Q251B

更新时间： 2024-11-13 05:05:19

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R3111Q251B 数据手册

R3111x SERIES

LOW VOLTAGE DETECTOR

OUTLINE

NO.EA-056-070829

The R3111x 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.

Three output types, Nch open drain “L” type, Nch open drain “H” type and CMOS type are available.

The R3111x Series are operable at a lower voltage than that for the Rx5VL series, and can be driven by a

single battery.

Six types of packages, TO-92, SOT-89, SOT-23-3, SOT-23-5, SC-82AB, and SON1612-6 are available.

FEATURES

• Supply Current......................................................................Typ. 0.8µA (VDD=1.5V)

• Range of Operating Voltage..................................................0.7V to 10.0V (Topt=25°C)

• Detector Threshold................................................................0.9V to 6.0V

• Accuracy Detector Threshold................................................±2.0%

• Temperature-Drift Coefficient of Detector Threshold ............Typ. ±100ppm/°C

• Output Types.........................................................................Nch Open Drain “L”, Nch Open Drain “H”, and

CMOS

• Packages ..............................................................................TO-92, SOT-89, SOT-23-3, SOT-23-5,

SC-82AB, SON1612-6

APPLICATIONS

• CPU and Logic Circuit Reset

• Battery Checker

• Window Comparator

• Wave Shaping Circuit

• Battery Back-up Circuit

• Power Failure Detector

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型号	品牌	获取价格	描述	数据表
R3111Q251BTR	RICOH	获取价格	1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO4, SC-82AB, 4 PIN
R3111Q251B-TR	RICOH	获取价格	暂无描述
R3111Q251B-TR-F	RICOH	获取价格	Power Supply Support Circuit, Fixed, 1 Channel, CMOS, PDSO4, LEAD FREE, SC-82AB, 4 PIN
R3111Q251B-TR-FE	RICOH	获取价格	Power Supply Support Circuit, Adjustable, 1 Channel, CMOS, PDSO4, ANTIMONY, HALOGEN AND LE
R3111Q251C	RICOH	获取价格	LOW VOLTAGE DETECTOR
R3111Q251CTR	RICOH	获取价格	1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO4, SC-82AB, 4 PIN
R3111Q251C-TR	RICOH	获取价格	Power Supply Support Circuit, Adjustable, 1 Channel, +2.5VV, CMOS, PDSO4, SC-82AB, 4 PIN
R3111Q251C-TR-F	RICOH	获取价格	Power Supply Support Circuit, Fixed, 1 Channel, CMOS, PDSO4, LEAD FREE, SC-82AB, 4 PIN
R3111Q251C-TR-FB	RICOH	获取价格	Power Supply Support Circuit, Adjustable, 1 Channel, CMOS, PDSO4, SC-82AB, 4 PIN
R3111Q252B-TR-FE	RICOH	获取价格	Power Supply Support Circuit, Adjustable, 1 Channel, CMOS, PDSO5, ANTIMONY, HALOGEN AND LE