Datasheet > AS1121M3-2.5V

AS1121M3-2.5V

更新时间： 2024-09-30 03:00:11

品牌	Logo	应用领域
西伯斯 - SIPEX		/
页数	文件大小	规格书
5页	112K
描述
Analog Circuit,

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中文翻译

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数据手册

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AS1121M3-2.5V 数据手册

AS1121

150mA Low Dropout Voltage Regulator

(PRELIMINARY INFORMATION)

FEATURES

APPLICATIONS

• Battery Powered Systems

• Cordless Telephones

• 1% Output Accuracy @ 2.5V, 3.3V, 5V, @ 150mA Output

• Very Low Quiescent Current

• Radio Control Systems

• Portable/Palm Top/Notebook Computers

• Portable Consumer Equipment

• Portable Instrumentation

• Bar Code Scanners

• 0.4V Dropout Voltage @ 150mA

• Extremely Tight Load And Line Regulation

• Current & Thermal Limiting

• Logic-Controlled Electronic Shutdown

• Reverse Battery Protection

• Output Programmable From 1.24 To 29V

• Equivalent Replacement For LT1121

• SMPS Post-Regulator

• Voltage Reference

• Automotive Electronics

PRODUCT DESCRIPTION

The AS1121 is a low power voltage regulator. This device is an excellent choice for use in battery-powered applications such as

cordless telephones, radio control systems, and portable computers. The AS1121 features very low quiescent current and very low

dropout voltage of 0.4 volts. This includes a tight initial tolerance of 1% max, and very low output temperature coefficient, making

the AS1121 useful as a low-power voltage reference.

The error flag output feature is used as power-on reset for warning of a low output voltage, due to falling voltage input of batteries.

The AS1121 is offered SO-8, TO-92 & SOT-223.

ORDERING INFORMATION

S0-8

TO-92

SOT-223

Oper. Temp.

Range

-40°C to +125°C

3-PIN

AS1121S-X AS1121N-X

AS1121M3-X

X= Output Voltage (2.5V, 3.3V or 5.0V or Blank for Adj.)

PIN CONNECTIONS

8-Pin Surface Mount (S)

SOT-223 (M3)

AS1121

TO-92 (N)

V_IN

GND

V_OUT

SENSE/ ADJ

GND

AS1121

GND

V_OUT

V_IN

GND

V_IN

GND V_OUT

SHDN

ERROR

Bottom View

Top View

V_OUT

SHDN

OFF

<0.25V

>2.8V

Rev.10/6/00

12 3 4 5

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