LD39030 datasheet(1/21 Pages) STMICROELECTRONICS

部件名	LD39030

功能描述	300 mA very low quiescent current linear regulator IC

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制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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November 2015

DocID028649 Rev 1

1/21

This is information on a product in full production.

www.st.com

LD39030

300 mA very low quiescent current linear regulator IC

Datasheet - production data

Features



Input voltage from 1.5 to 5.5 V



Ultra low dropout voltage (300 mV typ. at

300 mA load)



Very low quiescent current (20 µA typ at no

load, 0.03 µA typ in off mode)



Output voltage tolerance: ±0.5 % (A version)

or ± 2.0 % @ 25 °C (standard version)



300 mA guaranteed output current



High PSRR (80 dB@1 kHz, 50 db@100

kHz)



Wide range of output voltages available on

request: from 0.8 V up to 5.0 V in 50 mV

step



Logic-controlled electronic shutdown



Internal soft-start



Optional output voltage discharge feature



Compatible with ceramic capacitor

COUT = 0.47 µF



Internal constant current and thermal

protections



Available in DFN4 1x1



Operating temperature range: -40 °C to

125 °C

Applications



Mobile phones



Tablets



Digital still cameras (DSC)



Cordless phones and similar battery-

powered systems



Portable media players

Description

The LD39030 high accuracy voltage regulator

provides 300 mA of maximum current from an

input voltage ranging from 1.5 V to 5.5 V, with a

typical dropout voltage of 300 mV.

It is available in DFN4 1x1 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,

together with the internal soft-start circuit, make

the LD39030 suitable for low power battery-

operated applications.

An enable logic control function puts the

LD39030 in shutdown mode allowing a total

current consumption lower than 0.1 µA. Constant

current and thermal protection are provided.

类似零件编号 - LD39030

制造商	部件名	数据表	功能描述
STMicroelectronics	LD39030SJ	439Kb / 18P	Digital still cameras 06-Feb-2014
	LD39030SJ10R	439Kb / 18P	Digital still cameras 06-Feb-2014
	LD39030SJ126R	439Kb / 18P	Digital still cameras 06-Feb-2014
	LD39030SJ12R	439Kb / 18P	Digital still cameras 06-Feb-2014
	LD39030SJ285R	439Kb / 18P	Digital still cameras 06-Feb-2014

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类似说明 - LD39030

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