LPR30

LOW DROP VOLTAGE REGULATOR DRIVE

FOR EXTERNAL N-CHANNEL POWER MOSFET

®

May 2000

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VERY LOW DROPOUT POWER MOSFET

DRIVER

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HIGH PRECISION Vref = 2.5V (

± 2%)

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VERY LOW CURRENT DRAIN (TYP. 2mA)

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REFERENCE OUTPUT CURRENT UP TO

20mA

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OPERATING SUPPLY VOLTAGE FROM 5V

TO 30V

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MAXIMUM INPUT VOLTAGE ON-GATE PIN

(N. 8) UP TO 60V

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INTERNAL CURRENT LIMIT OPERATIONAL

AMPLIFIER OFFSET TRIMMED AT

50mV

± 10mV

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NO CAPACITOR IS NEEDED FOR STABILITY

OF REFERENCE OUTPUT

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TEMPERATURE RANGE 0

APPLICATION

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ULTRA HIGH CURRENT ULTRA LOW

DROPOUT VOLTAGE REGULATOR

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CONSTANT HIGH CURRENT SOURCE

BLOCK DIAGRAM

DIP-8

SO-8

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LOW PARTS COUNT 5V TO 3.3V

COMPUTER SUPPLY

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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

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