R1121N321A-TR-FE

更新时间： 2024-10-28 13:12:39

品牌	Logo	应用领域
理光 - RICOH		线性稳压器IC 调节器电源电路光电二极管输出元件
页数	文件大小	规格书
16页	136K
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R1121N321A-TR-FE 数据手册

’99.7.13

LOW NOISE 150mA LDO REGULATOR

R1121N SERIES

■ OUTLINE

The R1121N 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 R1121N 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.

■ FEATURES

Ultra-Low Supply Current.................................................TYP. 35µA

Standby Mode ...................................................................TYP. 0.1µA

Low Dropout Voltage ........................................................TYP. 0.2V (I^OUT= 100mA)

High Ripple Rejection.......................................................TYP. 70db (f = 1kHz)

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

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

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

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 “L”, B: active “H”)

Pinout ................................................................................Similar to the TK112, TK111

■ APPLICATIONS

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

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

Power source for battery-powered equipment.

■ BLOCK DIAGRAM

R1121NXX1A

R1121NXX1B

VOUT

Vref

Current Limit

GND

Rev.1.11

- 1 -

12 3 4 5 6 7...16

中文翻译

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与R1121N321A-TR-FE相关器件

型号	品牌	获取价格	描述	数据表
R1121N321B-TL	RICOH	获取价格	Positive Fixed Voltage Regulator
R1121N321B-TL-FA	RICOH	获取价格	Fixed Positive LDO Regulator, 3.2V, 0.3V Dropout, CMOS, PDSO5, MINI, SOT-23, 5 PIN
R1121N321B-TL-FB	RICOH	获取价格	Fixed Positive LDO Regulator, 3.2V, 0.3V Dropout, CMOS, PDSO5, MINI, SOT-23, 5 PIN
R1121N321B-TR	RICOH	获取价格	Positive Fixed Voltage Regulator
R1121N32A	RICOH	获取价格	Fixed Positive LDO Regulator, 3.2V, 0.3V Dropout, CMOS, PDSO5, MINI, PLASTIC, SOT-23, 5 PI
R1121N32A-TL	RICOH	获取价格	Fixed Positive LDO Regulator, 3.2V, 0.3V Dropout, CMOS, PDSO5, MINI, PLASTIC, SOT-23, 5 PI
R1121N32A-TR	RICOH	获取价格	Fixed Positive LDO Regulator, 3.2V, 0.2V Dropout, CMOS, PDSO5, MINI, PLASTIC, SOT-23, 5 PI
R1121N331A	RICOH	获取价格	Regulator, 1 Output, CMOS, PDSO5,
R1121N331A-TL	RICOH	获取价格	Positive Fixed Voltage Regulator
R1121N331A-TL-FA	RICOH	获取价格	Fixed Positive LDO Regulator, 3.3V, 0.3V Dropout, CMOS, PDSO5, MINI, SOT-23, 5 PIN

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