Datasheet > R1112N231B

R1112N231B

更新时间： 2024-11-08 06:34:51

品牌	Logo	应用领域
理光 - RICOH		光电二极管
页数	文件大小	规格书
22页	294K
描述
Fixed Positive LDO Regulator, 2.3V, 0.35V Dropout, CMOS, PDSO5, MINI, PLASTIC, SOT-23, 5 PIN

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R1112N231B 数据手册

'2000.3.13

LOW NOISE 150mA LDO REGULATOR

R1112N SERIES

n OUTLINE

The R1112N Series are voltage regulator ICs with high output voltage accuracy, extremely low supply current, low ON-

resistance, and high ripple rejection by CMOS process. Each of these voltage regulator ICs consists of a voltage reference unit,

an error amplifier, resistors, a current limit circuit, and a chip enable circuit.

These ICs perform with low dropout voltage and a chip enable function. The line transient response and load transient

response of the R1112N Series are excellent, thus these ICs are very suitable for the power supply for hand-held

communication equipment.

The output voltage of these ICs is fixed with high accuracy. Since the package for these ICs are SOT-23-5 (Mini-mold)

package , high density mounting of the ICs on boards is possible.

n FEATURES

Ultra-Low Supply Current......................................... TYP. 100mA

Standby Mode ........................................................... TYP. 0.1mA

Low Dropout Voltage ................................................ TYP. 0.19V(I^OUT=100mA 3.0V Output type)

High Ripple Rejection............................................... TYP. 80dB(f=1kHz)

Low Temperature-Drift Coefficient of Output Voltage TYP. ±100ppm/°C

Excellent Line Regulation......................................... TYP. 0.05%/V

High Output Voltage Accuracy.................................. ±2.0%

Excellent Dynamic Response

Small Package ..........................................................SOT-23-5(Mini-mold)

Output Voltage...........................................................Stepwise setting with a step of 0.1V in the range of 1.5V to 5.0V is

possible

Built-in chip enable circuit ( 2 types; A: active low , B: active high)

Pin-out.......................................................................Similar to the LP2980/LP2985

Built-in fold-back protection circuit..........................TYP. 30mA (Current at short mode)

Ceramic capacitors recommended to be used with this IC

n APPLICATIONS

Power source for cellular phones such as GSM, CDMA and various kind of PCSs.

Power source for electrical appliances such as cameras, VCRs and camcorders.

Power source for battery-powered equipment.

Rev. 1.10

- 1 -

12 3 4 5 6 7...22

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与R1112N231B相关器件

型号	品牌	获取价格	描述	数据表
R1112N231B-TL-FA	RICOH	获取价格	Fixed Positive LDO Regulator, 2.3V, 0.35V Dropout, CMOS, PDSO5, MINI, PLASTIC, SOT-23, 5 P
R1112N231B-TL-FB	RICOH	获取价格	Fixed Positive LDO Regulator, 2.3V, 0.35V Dropout, CMOS, PDSO5, MINI, PLASTIC, SOT-23, 5 P
R1112N231B-TR-FA	RICOH	获取价格	Fixed Positive LDO Regulator, 2.3V, 0.35V Dropout, CMOS, PDSO5, MINI, PLASTIC, SOT-23, 5 P
R1112N231B-TR-FB	RICOH	获取价格	Fixed Positive LDO Regulator, 2.3V, 0.35V Dropout, CMOS, PDSO5, MINI, PLASTIC, SOT-23, 5 P
R1112N231B-TR-FE	RICOH	获取价格	Fixed Positive LDO Regulator, 2.3V, 0.35V Dropout, CMOS, PDSO5, SOT-23, 5 PIN
R1112N23A	RICOH	获取价格	Fixed Positive LDO Regulator, 2.3V, 0.35V Dropout, CMOS, PDSO5, MINI, PLASTIC, SOT-23, 5 P
R1112N23A-TL	RICOH	获取价格	Fixed Positive LDO Regulator, 2.3V, 0.35V Dropout, CMOS, PDSO5, MINI, PLASTIC, SOT-23, 5 P
R1112N23B	RICOH	获取价格	Fixed Positive LDO Regulator, 2.3V, 0.35V Dropout, CMOS, PDSO5, MINI, PLASTIC, SOT-23, 5 P
R1112N23B-TL	RICOH	获取价格	Fixed Positive LDO Regulator, 2.3V, 0.35V Dropout, CMOS, PDSO5, MINI, PLASTIC, SOT-23, 5 P
R1112N23B-TR	RICOH	获取价格	Fixed Positive LDO Regulator, 2.3V, 0.35V Dropout, CMOS, PDSO5, MINI, PLASTIC, SOT-23, 5 P

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