pt5108 China Resources Powtech (Shanghai) Co., Ltd, pt5108 Datasheet

pt5108

Manufacturer Part Number

pt5108

Description

High-psrr 500ma Ldo

Manufacturer

China Resources Powtech (Shanghai) Co., Ltd

Datasheet

1.PT5108.pdf (2 pages)

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FEATURES

APPLICATION

PT5108-EN-BRIEF

www.crpowtech.com

2.5V to 5.5V input range

72dB PSRR @1kHz, V

< 0.1uA quiescent current at shutdown

mode

Fast turn on time: 150us (typical)

290mV maximum dropout voltage with

400mA load

Thermal shutdown and short-circuit current

limit

1.5, 1.7, 1.8, 1.9, 2.0, 2.5V, 2.6V, 2.7V, 2.8V,

2.85V, 2.9V, 3.0V, 3.1V, 3.2V, 3.3V, 4.7V,

4.8V, 4.9V and 5.0V output standard

Miniature SOT-23-5 package

CDMA/GSM mobile phones

Cordless telephones

WLAN and bluetooth appliances

PDAs/MP3

Battery powered portable devices

= V

High-PSRR 500mA LDO

OUT

+ 1V

GENERAL DESCRIPTION

The PT5108 is a low-dropout voltage regulator

designed for portable applications that require

both low noise performance and board space. Its

PSRR at 1kHz is better than 70dB. The

PT5108’s is ideal for battery powered systems

for delivering low dropout voltage and low

quiescent current. An optional external bypass

capacitor

increases PSRR.

The device can be used for mobile phones and

similar battery powered wireless applications. It

provides up to 500mA, from a 2.5V to 5.5V input.

The PT5108 consumes less than 0.1µA in

shutdown mode and has fast turn-on time less

than 150µs. The PT5108 is available in a 5 pin

SOT-23 package. Selected performances are

specified for −40°C to +85°C temperature range.

The output voltage is available in the range of

1.5~2.0V, 2.5~3.3V, 4.7~5.0V.

reduces

the

output

PT5108

noise

and

Related parts for pt5108

pt5108 Summary of contents

Page 1

... The PT5108 consumes less than 0.1µA in shutdown mode and has fast turn-on time less than 150µs. The PT5108 is available pin SOT-23 package. Selected performances are specified for −40°C to +85°C temperature range. ...

Page 2

... TYPICAL APPLICATIONS 1uF C : Recommended ceramic capacitor OUT PT5108-EN-BRIEF OUT V EN BYPASS C * GND BP 10nF C : The optional bypass capacitor for noise reduction BP Copyright © 2007, Crpowtech (Shanghai) co.,Ltd. PT5108 C OUT 1uF ...

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