May5-07

SPX52300mALowDropoutVoltageRegulator

©2007SipexCorporation

SPX1521

FEATURES

■

%OutputAccuracy3.3V,5V,

at300mAOutput

■

VeryLowQuiescentCurrent

■

0.3V(Typ.)DropoutVoltageat300mA

■

ExtremelyTightLoadandLineRegulation

■

Current&ThermalLimiting

■

ReverseBatteryProtection

■

EquivalentReplacementForLT52

■

AvailableinRoHSCompliant,LeadFreePackages:

TO-252,SOT-223,TO-220&TO-263

TheSPX52isalowpowervoltageregulator.Thisdeviceisanexcellentchoiceforuseinbattery-

poweredapplicationssuchascordlesstelephones,radiocontrolsystems,andportablecomputers.

TheSPX52featuresverylowquiescentcurrentandverylowdropoutvoltage.Thisincludesatight

initial tolerance of ±1% max, and very low output temperature coefficient, making the SPX1521 useful

asalow-powervoltagereference.

TheSPX52isofferedin3pinTO-252,SOT-223,TO-220&TO-263packages.

300mA Low Dropout Voltage Regulator

DESCRIPTION

+

2.2µF

+

SPX1521

I

IN

I

G

I

L

5V

IN

OUT

GND

LOAD

I

V

OUT

0.1µF

TYPICAL APPLICATIONS CIRCUIT

1

2

3

SPX1521

3 Pin TO-263

V

OUT

Solved by

TM