Daewoo DTH-2930, Service Manual, Page: 28 / 54

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IC DESCRIPTION
6. STR-W6756
FUNCTIONS OF EACH TERMINAL
TERMINAL
No.
SYMBOLS DESCRIPTIONS FUNCTIONS
1 D DRAIN TERMINAL MOSFET DRAIN
3 S/GND SOURCE/GND MOSFET SOURCE / GND
4 Vcc SET UP TERMINAL
INPUT OF POWER SUPPLY
FOR CONTROL CIRCUIT
5 SS/OLP
DELAY AT OVERLOAD /
SOFT START SET UP
TERMINAL OVERLOAD PROTECTION
AND SOFT START
OPERATION TIME SET UP
6 FB FEEDBACK TERMINAL
CONSTANT VOLTAGE
CONTROL SIGNAL INPUT,
BURST(INTERMITTENT)
MODE OSCILLATION
7 OCP/BD
OVERCURRENT
PROTECTION INPUT /
BOTTOM DETECTION
TERMINAL
OVERCURRENT DETECTION
SIGNAL INPUT / BOTTOM
DECTION SIGNAL INPUT
BLOCK DIAGRAM