LD39015J28R datasheet(1/17 Pages) STMICROELECTRONICS

Part #	LD39015J28R

Description	150 mA low quiescent current low noise voltage regulator

PDF	17 Pages

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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August 2009

Doc ID 15968 Rev 2

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17

LD39015Jxx

150 mA low quiescent current

low noise voltage regulator

Features

■ Input voltage from 1.5 to 5.5 V

■ Ultra low dropout voltage (90 mV typ. at 100

mA load)

■ Very low quiescent current (20 µA typ. at no

load, 35 µA typ. at 150 mA load, 1 µA max in off

mode)

■ Low noise (54 µVRMS from 10 Hz to 100 kHz at

VOUT = 1.8 V)

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

■ 150 mA guaranteed output current

■ Wide range of output voltages available on

request: 0.8 V to 4.5 V with 100 mV step

■ Logic-controlled electronic shutdown

■ Compatible with ceramic capacitor

COUT = 1 µF

■ Internal current and thermal limit

■ Flip-chip 4 bumps 1.1 x 1.1 mm.

■ Temperature range: -40 °C to 125 °C

Description

The LD39015Jxx provides 150 mA maximum

current from an input voltage ranging from 1.5 V

to 5.5 V with a typical dropout voltage of 80 mV. It

is stable with ceramic capacitor. The ultra low

drop-voltage, low quiescent current and low noise

features make it suitable for low power battery

powered applications. Power supply rejection is

74 dB at low frequencies and starts to roll off at 10

kHz. Enable logic control function puts the

LD39015Jxx in shut-down mode allowing a total

current consumption lower than 1 µA. The device

also includes a short-circuit constant current

limiting and thermal protection. Typical

applications are mobile phones, personal digital

assistant (PDAs), cordless phone and similar

battery powered systems.

Flip-chip 4

Table 1.

Device summary

Part numbers

Order codes

Output voltages

LD39015JXX12

LD39015J12R

1.2 V

LD39015JXX13

LD39015JJ13R

1.3 V

LD39015JXX15

LD39015J15R

1.5 V

LD39015JXX18

LD39015J18R

1.8 V

LD39015JXX28

LD39015J28R

2.8 V

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