TLE4471 datasheet(3/26 Pages) INFINEON

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Data Sheet Rev. 1.1

2001-09-06

TLE 4471

Figure 2

Pin Configuration (top view)

Pin Definitions and Functions

Pin No.

Symbol Function

1, 10, 11,

GND

GROUND

2E1

Enable 1: Enable for Main Output Q1 and Q2; E1, E2 and E3 are

ored together; connect to GND, if not needed.

Input; block to ground directly at the IC for line compensation.

4Q2

Tracking Output Q2; block to GND with min. 10

µF with

ESR

< 3 Ω.

5REF2

Reference Output; Reference Voltage related to Q2.

Reset Output; the open collector Output is connected to Q1 via an

integrated resistor.

7DR

Reset Delay; connect a capacitor to GND for reset delay time

adjustment.

8E2

Enable 2: Enable for Main Output Q1 and Q2; E1, E2 and E3 are

ored together; connect to GND, if not needed.

9Q1

Main Output Q1; block to GND with min. 22

µF, ESR < 3 Ω.

RADJ

Reset Switching Threshold Adjust; The reset threshold can be

set individually with an external voltage divider at the pin. If it is

connected straight to GND the reset threshold remains at 4.65 V.

Not Connected

AEP02865

REF2

GND

RADJ

N.C.

REF3

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