LDK320AM-R datasheet(1/25 Pages) STMICROELECTRONICS

Part #	LDK320AM-R

Description	200 mA low quiescent current and high PSRR voltage regulator

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

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November 2015

DocID028460 Rev 1

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This is preliminary information on a new product now in development

or undergoing evaluation. Details are subject to change without notice.

www.st.com

LDK320

200 mA low quiescent current and high PSRR voltage regulator

Datasheet - preliminary data

Features



Input voltage from 2.5 to 18 V



Very low-dropout voltage (100 mV typ. @

100 mA load)



Low

quiescent current (typ. 60 μA, 1 μA in

off mode)



High PSRR: 88 dB@120 Hz



Low noise



Output voltage tolerance: ± 2.0% @ 25 °C;

(±0.5% version available on request)



Output current up to 200 mA



Wide range of output voltages available on

request: fixed from 1.2 V to 12 V with

100 mV step and adjustable



Logic-controlled electronic shutdown



Compatible with ceramic capacitor

COUT

= 1 μF



Current, SOA and thermal protections



Available in SOT23-5L and SOT-89

packages



Temperature range: -40 °C to 125 °C

Applications



DSC



TV



BD, DVD



PC



Industrial

Description

The LDK320 is a low drop voltage regulator,

which provides a maximum output current of

200 mA from an input voltage in the range of

2.5 V to 18 V, with a typical dropout voltage of

100 mV.

It is stabilized with a ceramic capacitor on the

output.

The very good dynamic characteristic, combined

with low drop voltage and low quiescent current

make it suitable for low power battery-powered

applications.

The enable logic control function allows the

LDK320 to be in shutdown mode by consuming a

total current l

ower than 1 μA.

This device also includes a short-circuit current

limiting, thermal and SOA protections.

SOT23-5 L

SOT-8 9

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LDK320AM-R Datasheet(PDF) 1 Page - STMicroelectronics

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