TLE6711GL datasheet(5/25 Pages) INFINEON

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TLE 6711

Pin Configuration

Data Sheet

Rev. 3.4, 2007-08-16

2.2

Pin Definitions and Functions

SO-14

SO-20

Symbol

Function

Reference Input; an external resistor from this pin to GND determines the

reference current and the oscillator frequency

Reset Output; open drain output from reset comparator with an internal pull-up

resistor

WDI

Watchdog Input; input for the watchdog control signal from the controller

4, 5, 6, 7,

14, 15,

16, 17

GND

Ground; analog signal ground

SEN

System Enable Output; open drain output from Watchdog fail-circuit with an

internal pull-up resistor

BUC

Buck-Converter Compensation Input; output of internal error amplifier; for

loop-compensation connect an external

R-C-series combination to GND

Supply Voltage Output; buck converter output; external blocking capacitor

necessary

BUO

Buck Converter Output; source of the integrated power-DMOS

BOOST

Boost Converter Input; input supply voltage of the IC; coming from the boost

converter output voltage; buck converter input voltage

BDS

Buck Driver Supply Input; voltage to drive the buck converter powerstage

OVL

Boost Status Output; open drain output from boost PWM comparator

BOFB

Boost Converter Feedback Input; connect boost voltage divider to this pin;

internal reference is the boost feedback threshold

BOFBTH

–

BOGND

Boost-Ground; power signal ground; source of boost converter power-DMOS

BOI

Boost Converter Input; drain of the integrated buck converter power-DMOS

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