AME8834BEIV270Y datasheet, PDF

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AME8834BEIV270Y: DescriptionHigh PSRR, 150mA CMOS LDO; File Size173KB，14 Pages; ManufacturerAnalogMicroElectronics,Inc.(AME); AMT was founded in Taiwan in November 2000 and merged into AMT Microelectronics, Inc., a US company located in Silicon Valley, California, USA. Its stock was officially listed for public trading in March 2004.

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High PSRR, 150mA CMOS LDO

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AME, Inc.

AME8833/8834

High PSRR, 150mA CMOS LDO

General Description

The AME8833 family of positive, linear regulators fea-

ture low quiescent current (50µA typ.) low dropout volt-

age and excellent PSRR, thus making them ideal for Tele-

communications and other battery applications. The ul-

tra-small SC-70 package is attractive for "Pocket" and

"Hand Held" applications.

AME8834’s output voltage can be adjusted with an

external resister divider.

These rugged devices have both Thermal Shutdown,

and Current Fold-back to prevent device failure under the

"Worst" of operating conditions.

As an additional feature, the AME8833/8834 is stable

with an output capacitance of just extended 0.22µF or

greater.

Functional Block Diagram

Overcurrent

Shutdown

OUT

Thermal

Shutdown

SHDN

AMP

Vref

Features

Stable with only 0.22µF output Cap

Very Low Dropout Voltage

Guaranteed 150mA Output

Accurate to within 1.0%

50µA Quiescent Current

Over-Temperature Shutdown

Current Limiting

Short Circuit Current Fold-back

Excellent PSRR (Typ. 70dB)

Power-Saving Shutdown Mode

Ultra-small SC-70 and SOT-25-L Package

Factory Pre-set Output Voltages

Low Temperature Coefficient

Input Voltage Range (2V - 5.5V)

GND

Typical Application

SHDN

OUT

GND

OUT

AME8833

0.22µF

1µF

Applications

Cellular Phones

Instrumentation

Portable Electronics

Wireless Devices

Cordless Phones

PC Peripherals

Battery Powered Widgets

Electronic Scales

OUT

SHDN

OUT

AME8834

GND

REF

Cameras

Telecommunications

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