PAM3101DBA400 datasheet, PDF - EEWORLD Datasheet

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PAM3101DBA400: DescriptionFIXED POSITIVE LDO REGULATOR; Categorysemiconductor Power management; File Size443KB，24 Pages; ManufacturerPOWEREX; Websitehttp://www.pwrx.com/Home.aspx

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PAM3101DBA400 Overview

FIXED POSITIVE LDO REGULATOR

PAM3101DBA400 Parametric

Parameter Name	Attribute value
state	ACTIVE
Adjustment type	FIXED POSITIVE LDO REGULATOR

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PAM3101

300mA High PSRR Low Dropout CMOS Linear Regulator

Features

Low Dropout Voltage: 180mV@300mA

=3.3V)

Output Voltage Accuracy within ±2%

Quiescent Current

65 μ A Typ.

High PSRR: 70dB@1kHz

Excellent Line and Load Regulation

Fast Response

Current Limiting

Short Circuit Protection

Low Temperature Coefficient

Shutdown Current

0.5 μ A

Thermal Shutdown

Space Saving Package: SOT-23 , SOT-89

and SC70

Pb-Free Package

General Description

The PAM3101 series of positive voltage linear

regulators feature low quiescent current (65 μ A

Typ.) and low dropout voltage, making them ideal

for battery powered applications. Their high

PSRR make them useful in applications where

AC noise on the input power supply must be

suppressed. Space-saving SOT-23, SOT-89 and

SC70 packages are attractive for portable and

handheld applications. They have both thermal

shutdown and current limit features to prevent

device failure from extreme operating conditions.

They are stable with an output capacitor of 2.2 μ F

or greater.

Applications

Cordless Phones

Cellular Phones

Bluetooth Earphones

Digital Cameras

Portable Electronics

WLANs

MP3 Players

Typical Application

Block Diagram

OUT

VIN

VOUT

PAM3101

1μF

VIN

VOUT

GND

BYP

10nF

2.2 μ F

OverCurrent

Shutdown

BYP

Thermal

Protection

Amp

GND

VIN

VOUT

PAM3101

GND

1μF

OUT

Bandgap

2.2 μ F

Power Analog Microelectronics

Inc

www.poweranalog.com

09/2008 Rev 1.4

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