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Pin No.
Pin Name
1
CE
2
GND
3
VOUT
(FFB)
4
EXT
6
VIN
14.2. IC51, 52
Pin No.
Pin Name
1
VIN
2
VSS
3
CE
4
NC
5
VOUT
14.3. IC101
Chip enable terminal ("H" ACTIVE)
GND terminal
Output voltage monitoring terminal
External Tr drive terminal (CMOS output)
Power input terminal
Power input terminal
Ground terminal
ON/OFF control terminal
No connection
Output terminal
Description
Description
75
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