TLE 6363

Data Sheet Rev. 1.2

2

2003-06-02

Furthermore, the build-in features like under- and overvoltage lockout for boost- and

buck-voltage and the overtemperature shutdown feature increase the reliability of the

TLE 6363 G supply system.

Pin Definitions and Functions

Pin No.

SO-14

Symbol Function

1R

Reference Input; an external resistor from this pin to GND

determines the reference current and the oscillator frequency

2RO

Reset Output; open drain output from reset comparator with an

internal pull up resistor

3WDI

Watchdog Input; input for the watchdog control signal from the

controller

4GND

Ground; analog signal ground

5

SEN

System Enable Output; open drain output from Watchdog

fail-circuit with an internal pull up resistor

6BUC

Buck-Converter Compensation Input; output of internal error

amplifier; for loop-compensation connect an external R-C-series

combination to GND

7

V

CC

Supply Voltage Output; buck converter output; external blocking

capacitor necessary

8BUO

Buck Converter Output; source of the integrated power-DMOS

9

V

BOOST

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

from the boost converter output voltage; buck converter input

voltage

10

BDS

Buck Driver Supply Input; voltage to drive the buck converter

powerstage

11

OVL

Boost Status Output; open drain output from boost PWM

comparator

12

BOFB

Boost Converter Feedback Input; connect boost voltage divider

to this pin; internal reference is the boost feedback threshold

V

BOFBTH

13

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

power-DMOS

14

BOI

Boost Converter Input; drain of the integrated buck converter

power-DMOS