TLE42794 datasheet(3/28 Pages) INFINEON

Part #	TLE42794

Description	Low Dropout Fixed Voltage Regulator

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Manufacturer	INFINEON [Infineon Technologies AG]

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Data Sheet

3

Rev. 1.1, 2008-10-09

TLE42794

Overview

Dimensioning Information on External Components

The input capacitor CI is recommended for compensation of line influences. The output capacitor CQ is necessary

for the stability of the control loop.

Circuit Description

The control amplifier compares a reference voltage to a voltage that is proportional to the output voltage and drives

the base of the series transistor via a buffer. Saturation control as a function of the load current prevents any

oversaturation of the power element. The component also has a number of internal circuits for protection against:

•

Overload

•

Overtemperature

•

Reverse polarity

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