Str-A6252 - LG FB162-A0U Service Manual

9. STR-A6252

• BLOCK DIAGRAM
• PIN FUNCTION
Terminal
SYMBOL
No.
1 Source/O.C.P
2 FM/SS
3 GND
4 FB/CC/OLP
5 Vcc
7
D
8
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Only for training and service purposes
Description
Source/O.C.P terminal MOSFET Source/Over current protect
FM terminal Capacitor connection terminal for frequency jitter and soft start
Ground terminal Ground
FB/CC/OLP terminal Input of constant voltage signal /
constant current operation control signal /
over load protection signal
Power supply terminal Input of power supply for control circuit
Drain terminal MOSFET drain / Input of Startup current
3-15
Functions
LGE Internal Use Only