LD39130S datasheet(1/27 Pages) STMICROELECTRONICS

부품명	LD39130S

상세설명	Portable media players

PDF	27 Pages

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제조업체	STMICROELECTRONICS [STMicroelectronics]

홈페이지	http://www.st.com

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1 / 27 page

This is information on a product in full production.

January 2015

DocID025199 Rev 2

1/27

27

LD39130S

300 mA very low quiescent current linear regulator IC with the

automatic green mode

Datasheet

- production data

Features

• Input voltage from 1.4 to 5.5 V

• Ultra low dropout voltage (300 mV typ. at

300 mA load)

• Automatic green mode

• Very low quiescent current (1 µA in green

mode, 45 µA in normal mode and 0.1 µA typ. in

off mode)

• Output voltage tolerance: ± 1.0% at 25 °C

• 300 mA guaranteed output current

• Wide range of output voltages available on

request: adjustable from 0.8 V, fixed up to

4.0 V in 100 mV step

• Logic-controlled electronic shutdown

• Internal soft-start

• Compatible with ceramic capacitor

COUT =330 nF

• Internal current foldback and thermal

protections

• Available in DFN6 1.2x1.3 mm and Flip-chip 4

bumps 0.69 x 0.69 mm. 0.4 pitch

• Operating temperature range: -40 °C to 125 °C

Applications

• Mobile phones

• Personal digital assistants (PDAs)

• Digital still cameras (DSC)

• Cordless phones and similar battery-powered

systems

• Portable media players

Description

The LD39130S is a high accuracy voltage

regulator that provides 300 mA maximum current

from an input voltage ranging from 1.4 V to 5.5 V,

with a typical dropout voltage of 300 mV.

It is available in DFN6 1.2x1.3 mm package and

in ultra small CSP 4 bumps package, allowing the

maximum space saving.

The device is stabilized with a ceramic capacitor

on the output. The ultra low drop voltage, low

quiescent current and low noise features make it

suitable for low power battery-operated

applications. It integrates an internal logic

circuitry, which allows the regulator to be in ultra

low consumption mode (green mode), when the

output current required is very low. The normal

working mode, with fast transient response, is

restored when the load current increases.

The enable logic control function puts the

LD39130S in shutdown mode allowing a total

current consumption lower than 0.1 µA. The

current foldback and thermal protection are

provided.

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