LPR30 데이터 시트보기 (PDF) - STMicroelectronics

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LPR30

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

STMicroelectronics 

®

LPR30

LOW DROP VOLTAGE REGULATOR DRIVE

FOR EXTERNAL N-CHANNEL POWER MOSFET

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 oC TO 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

May 2000

1/10

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