LD39150PU25R Datasheet

IC型號(hào)：
LD39150PU25R
PDF描述：
Ultra low drop BICMOS voltage regulator
文件大小：
460.72KB
PDF頁(yè)數(shù)：
19頁(yè)
芯片廠家：
STMICROELECTRONICS

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LD39150

Ultra low drop BICMOS voltage regulator

Feature summary

鈻?/div>

1.5A Guaranteed output current

Ultra low dropout voltage (200mV typ. @ 1.5A

load, 40mV typ. @300mA load)

Very low quiescent current (1mA typ. @ 1.5A

load, 1碌A(chǔ) max @ 25擄C in off mode)

Logic-controlled electronic shutdown

Current and thermal internal limit

PPAK

DPAK

鹵

1.5% Output voltage tolerance @ 25擄C

Fixed and ADJ output voltages: 1.22V, 1.8V,

2.5V, 3.3V, ADJ. (*see order code)

Temperature range: -40 to 125擄C

Fast dynamic response to line and load

changes

Stable with ceramic capacitor (see paragraph

7.1, 7.2, 7.3)

Available in PPAK, DPAK and DFN8 (4x4mm)

DFN8 (4x4 mm)

Description

The LD39150 is a fast ultra low drop linear

regulator which operates from 2.5V to 6V input

supply.

A wide range of output options are available. The

low drop voltage, low noise, and ultra low

quiescent current make it suitable for low voltage

microprocessor and memory applications. The

device is developed on a BiCMOS process which

allows low quiescent current operation

independently of output load current.

Typical application

鈻?/div>

Microprocessor power supply

DSPs power supply

Post regulators for switching suppliers

High efficiency linear regulator

Order codes

Part numbers

DPAK (T&R)

LD39150DT12-R

LD39150DT18-R

LD39150DT25-R

LD39150DT33-R

LD39150PT18-R

LD39150PT25-R

LD39150PT33-R

LD39150PT-R

1. Available on request

(1)

Output Voltage

1.22V

1.8V

2.5V

3.3V

ADJ From 1.22 to 5.0V

PPAK (T&R)

DFN

LD39150PU12R

LD39150PU18R

LD39150PU25R

LD39150PU33R

LD39150PU-R

January 2007

Rev. 1

1/19

www.st.com

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