Pin Configuration And Functions - Changhong Electric 21NF55 Service Manual

3). Pin Configuration and Functions

Pin No. Symbol
1 D
2 S
3 GND
4 V
IN
5 OCP/FB
Pin No. Symbol
1 OCP/FB
2 S
3 D
4 V
IN
5 GND
4). Difference between STR-G5653 and STR-F6654
a. Different size: STR- F6654 is larger
b. Different pin functions
c. Different electric characteristics: Larger power output, switching current, avalanche -rated and
internal allowable power consumption for STR-F6654
d. internal allowable power consumption for STR-F6654
SERVICE MANUAL
Fig.21
Table 8 Pin function for STR-G5653
MOSFET drain
MOSFET source
Ground
Supply voltage input for control circuit
Over-current protection detection signal/ voltage-limiting signal input
Table 9 Pin function for STR-F6654
Over-current protection detection signal/ voltage-limiting signal input
MOSFET source
MOSFET drain
Supply voltage input for control circuit
Ground
Function Description
Function Description
34