a lot of functions such as the Leading-Edge Blanking (LEB) of the current sensing, internal slope compensation and several protection functions including cycle-by-cycle c.

* Switching AC-DC Adapter/Charger
* ATX/BTX Auxiliary Power
* Set-top Box(STB) Power Supply
* Open Frame.

The AP3103A is a low startup current, current mode PWM controller with green-mode power-saving operation. The PWM switching frequency at normal operation is externally programmable and is trimmed to a tight range. The dithering of frequency will also.

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