SPX1129U-5.0(2004) Просмотр технического описания (PDF) - Signal Processing Technologies
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SPX1129U-5.0 Datasheet PDF : 8 Pages
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®
SPX1129
400mA Low Dropout Voltage Regulator
FEATURES
■ 1% Output Accuracy 3.3V, 5V,
at 500mA Output
■ Very Low Quiescent Current
■ 0.42V Dropout Voltage at 400mA
■ Extremely Tight Load and Line Regulation
■ Current & Thermal Limiting
■ Reverse Battery Protection
■ Equivalent Replacement For LT1129
APPPLICATIONS
■ Power Supply
■ Communications Equipment
■ Computers and Peripherals
SPX1129
3 Pin TO-263
1 23
SPX1129
3 Pin TO-220
1 23
VOUT GND VIN
SPX1129
3 Pin TO-263
1 23
VIN GND VOUT
VOUT GND VIN
SPX1129 3
TO-252 2
1
VIN
GND
VOUT
Now Available in Lead Free Packaging
DESCRIPTION
The SPX1129 is a low power voltage regulator. This device is an excellent choice for use in battery-powered
applications such as cordless telephones, radio control systems, and portable computers. The SPX1129
features very low quiescent current and very low dropout voltage of 0.42 volts. This includes a tight initial
tolerance of ±1% max, and a very low output temperature coefficient, making the SPX1129 useful as a low-
power voltage reference.
The SPX1129 is offered in a SOT-223, TO-220, TO-252 & TO-263 3 lead packages.
VIN
IIN
+
0.1µF
IIN = IL + IG
TYPICAL APPLICATION CIRCUIT
IN
OUT
SPX1129
GND
5V
+
2.2µF
IL
LOAD
IG
Fixed +5V Regulator Circuit..
Date: 5/25/04
SPX1129 400mA Low Dropout Voltage Regulator
1
©Copyright 2004 Sipex Corporation
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