NCP1201 controller equivalent, pwm current-mode controller.
efficient protection circuitry. When in the presence of a fault (e.g. failed optocoupler, overcurrent condition, etc.) the control permanently disables the output pulses .
Finally, current--mode control provides an excellent audio--susceptibility and inherent pulse--by--pulse control.
When .
Pin No. Pin Name
Function
1 BOK
Bulk OK
2 FB Sets the Peak Current Setpoint
3 CS
Current Sense Input
4 GND 5 DRV 6 VCC 7 NC
The IC Ground Driving Pulses Supplies the IC No Connection
8 HV Generates the VCC from the Line
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