PAM3103 datasheet(1/10 Pages) PAM

部件名	PAM3103

功能描述	300mAAdjustable High PSRR CMOS Linear Regulator

PDF	10 Pages

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制造商	PAM [Power Analog Micoelectronics]

网页	http://www.poweranalog.com

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Features

Applications

General Description

high PSRR

makes it useful in applications that require AC

noise suppression on the input power supply.

n

Low Dropout Voltage: 180mV@ 300mA

(3.3V)

Accuracy within ±2%

Quiescent Current: 65 A Typ.

High PSRR: 67dB@100Hz

Excellent Line/Load Regulation

Fast Response

Current Limiting

Short Circuit Protection

Low Temperature Coefficient

Space Saving Packages SOT2

V=

Shutdown Current: 0.5 A

Thermal Shutdown

3-5 and

SC70-5

Pb-Free Package

Cordless Phone

Cellular Phone

Bluetooth Earphone

Digital Camera

Portable Electronics

WLAN

M 3 Player

The PAM3103 is a positive, adjustable linear

regulator. It features low quiescent current (65 A

Typ.) and low dropout voltage, making it ideal for

battery powered applications. The output voltage

is adjustable from 1.2V through 5V. Its

Space-saving SOT23-5 and SC70-5 packages

are a ttractive for portable and handheld

applications. It has both thermal shutdown and a

current limit features to prevent device failure

under extreme operating conditions. It is stable

with an output capacitor of 2.2 F or greater.

O

μ

n

P

Typical Application

PAM3103

300mA Adjustable High PSRR CMOS Linear Regulator

Block Diagram

1

www.poweranalog.com

VIN

VOUT

GND

EN

ADJ

Thermal

Protection

Error Amp

OverCurrent

Shutdown

Reference

V

*R1R2/R2

OREF

=

(+)

09/2008 Rev 1.2

R2

R1

C

100pF

C

2.2 F

O

μ

C

1F

IN

μ

IN

OUT

PAM3103

1

2

3

4

5

VIN

VOUT

EN

GND

ADJ

,

Power Analog Microelectronics Inc

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