1250B65 controller equivalent, current-mode pwm controller.
* Fixed−Frequency 65 or 100 kHz Current−Mode Control Operation
* Internal and Adjustable Over Power Protection (OPP) Circuit
* Frequency Foldback Down to 26 k.
* ac−dc Converters for TVs, Set−top Boxes and Printers
* Offline Adapters for Notebooks and Netbooks
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Pin N5
PDIP−8 TSSOP−6 11 62
Pin Name GND FB
8 3 OPP/OVP
5 4 CS 4 5 VCC 2 6 DRV
Function −
Feedback pin
Adjust the Over Power Protection Latches off the part
Current sense + ramp compensation
Supplies the controller
Driver output
Pin Description .
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