LDBL20 datasheet(1/19 Pages) STMICROELECTRONICS

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November 2015

DocID028296 Rev 1

1/19

This is information on a product in full production.

www.st.com

LDBL20

200 mA very low quiescent current linear regulator IC in

(0.47x0.47) mm² STSTAMP™ package

Datasheet - production data

Features



Input voltage from 1.5 to 5.5 V



Ultra low-dropout voltage (200 mV typ. at

200 mA load)



Very low quiescent current (20 µA typ. at

no-load, 0.03 µA typ. in off mode)



Output voltage tolerance: ± 1.5% @ 25 °C



200 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 STSTAMP™ (0.47x0.47) mm²

package



Operating temperature range: -40 °C to

125 °C

Application



Mobile phones



Tablet



Digital still cameras (DSC)



Wearable devices



Portable media players

Description

The LDBL20 high accuracy voltage regulator

provides 200 mA of maximum current from an

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

typical dropout voltage of 200 mV.

It is ava

ilable in the new STSTAMP™ 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 LDBL20 suitable for low power battery-

operated applications.

An enable logic control function puts the LDBL20

in shutdown mode with a total current

consumption lower than 0.2 µA. Constant current

and thermal protection are provided.

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