LPR30D datasheet(1/10 Pages) STMICROELECTRONICS

No de pièce	LPR30D

Description	LOW DROP VOLTAGE REGULATOR DRIVE FOR EXTERNAL N-CHANNEL POWER MOSFET

PDF	10 Pages

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Fabricant	STMICROELECTRONICS [STMicroelectronics]

Site Internet	http://www.st.com

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LPR30

LOW DROP VOLTAGE REGULATOR DRIVE

FOR EXTERNAL N-CHANNEL POWER MOSFET

®

May 2000

s

VERY LOW DROPOUT POWER MOSFET

DRIVER

s

HIGH PRECISION Vref = 2.5V (

± 2%)

s

VERY LOW CURRENT DRAIN (TYP. 2mA)

s

REFERENCE OUTPUT CURRENT UP TO

20mA

s

OPERATING SUPPLY VOLTAGE FROM 5V

TO 30V

s

MAXIMUM INPUT VOLTAGE ON-GATE PIN

(N. 8) UP TO 60V

s

INTERNAL CURRENT LIMIT OPERATIONAL

AMPLIFIER OFFSET TRIMMED AT

50mV

± 10mV

s

NO CAPACITOR IS NEEDED FOR STABILITY

OF REFERENCE OUTPUT

s

TEMPERATURE RANGE 0

oCTO 70 oC

APPLICATION

s

ULTRA HIGH CURRENT ULTRA LOW

DROPOUT VOLTAGE REGULATOR

s

CONSTANT HIGH CURRENT SOURCE

BLOCK DIAGRAM

DIP-8

SO-8

s

LOW PARTS COUNT 5V TO 3.3V

COMPUTER SUPPLY

s

LOW NOISE/LOW DROP SMPS POST

REGULATOR

DESCRIPTION

The LPR30 is a very Low Dropout Regulator

Controller in a single IC solution for very high

current low dropout linear voltgage regulator. It

uses an external N-CHANNEL POWER MOSFET

as the linear pass element. The LPR30 features a

dropout voltage as low as the RDS(on) of the

1/10

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