WT7514L PDF datasheet can download.
This product has PWM control circuit functions. The package is 16 Pin type.
This is one of the semiconductor types. This part name is WT7514L.
Manufacturers of product is Weltrend.
Image and pinout :
Some of the text files within the PDF file
The WT7514L PWM ( Pulse-Width Modulation ) control circuit with complete protection circuits for used in the SMPS ( Switched Mode Power Supply. ) It contains various functions, which are Over Voltage Protection, Under Voltage Protection, Power Good Output (PGO), Remote On/Off control and etc. It can minimize external componets of switching power supply systems in personal computer.
1. Complete PWM Control and Protection Circuitry
2. Over Voltage Protection for 3.3V / 5V / 12V / PT
3. Under Voltage Protecion for 3.3V / 5V / 12V
4. Various PG Time Delay by TPG
5. Power Good Output is Open Drain Output
6. PWM Control Output are Open Drain Output
[ … ]
Please refer to the file for details.