Datasheet > R1122N2.2B-TR

R1122N2.2B-TR

更新时间： 2024-10-28 23:31:03

品牌	Logo	应用领域
理光 - RICOH		模拟IC
页数	文件大小	规格书
22页	295K
描述
Analog IC

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R1122N2.2B-TR 技术参数

是否Rohs认证：	不符合	生命周期：	Obsolete
包装说明：	,	Reach Compliance Code：	unknown
风险等级：	5.92	湿度敏感等级：	1
Base Number Matches：	1

R1122N2.2B-TR 数据手册

2000. 3.13

LOW NOISE 150mA LDO REGULATOR

R1122N SERIES

n OUTLINE

The R1122N 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 R1122N 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, 3V 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 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”)

Built-in Fold-back protection circuit.................................Short Current Typ. 30mA

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

Ceramic Capacitors are Recommendable to be used with this IC.

n APPLICATIONS

Power source for cellular phones such as GSM, CDMA, PCS and so forth.

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

Power source for battery-powered equipment.

Rev. 1.10

- 1 -

12 3 4 5 6 7...22

中文翻译

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