LPR30 Datasheet, PDF (1/10 Pages) STMicroelectronics – LOW DROP VOLTAGE REGULATOR DRIVE FOR EXTERNAL N-CHANNEL POWER MOSFET

®
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 R_DS(on) of the
May 2000
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