NCP1203 controller equivalent, pwm current-mode controller.
a high−voltage startup FET which ensures a clean and loss−less startup sequence. Its current−mode control naturally provides good audio−susceptibility and inherent pulse−.
* AC−DC Adapters for Notebooks, etc.
* Offline Battery Chargers
* Auxiliary Power Supplies (USB, Appliances,.
Pin No. Pin Name
Function
1
Adj
Adjust the skipping peak current
2
FB
Sets the peak current setpoint
3
CS
Current sense input
4
GND
The IC ground
5
Drv
Driving pulses
6
VCC
7
NC
Supplies the IC −
8
HV
Ensure a clean and lossl.
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