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MGM696

CONTROL LOGIC

AND

MODE GEARBOX

ROM

START-UP

CIRCUIT

I/V

CONVERTER

TIME

COUNTER

BANDGAP

REFERENCE

20 MHz

OSCILLATOR

TEMPERATURE

PROTECTION

DIGITAL CONTROLLER

P-type POWER FET

sense

FET

VSEL

SYNC

GND

SHDWN

N-type

POWER

FET

LX

OUT

SENSE

TEA1205AT

1

62

78

5

3

4

IIimN

ILIM

Fig.1 Block diagram.