TLE 4264 G

Semiconductor Group

2

1998-11-01

Pin Configuration

(top view)

Circuit Description

The control amplifier compares a reference voltage, which is kept highly precise by

resistance adjustment, to a voltage that is proportional to the output voltage and drives

the base of the series transistor via a buffer. Saturation control, working as a function of

load current, prevents any over-saturation of the power element. The IC is additionally

protected against overload, overtemperature and reverse polarity.

Pin Definitions and Functions

Pin

Symbol

Function

1

V

I

Input voltage; block to ground directly on IC with

ceramic capacitor

2, 4

GND

Ground

3

V

Q

5-V output voltage; block to ground with

≥ 10-µF

capacitor, ESR < 10

Ω

AEP01526

123

4

GND

V

Q

Ι

V