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VCC

VCC

ERROR

AMP

D/A AND

SHUT-

LOGIC

CONTROL

DECODED SHUTDOWN SIGNAL

OSCILLATOR

1.25V REF

+

-

+

-

CURRENT LIMIT

+

-

+

-

CS(-)

VID0

VID2

VID1

VID3

PWRGOOD

BSTH

DH

SHUTDOWN

OVP

GND

PGNDH

R

S

Q

+

-

70mV

CS(+)

+

-

VID4

BSTL

DL

PGNDL

SHOOT-THRU

VCC

LEVEL SHIFT

AND DRIVE

DRIVE

200 kHz



 







GND

 







 

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