This part is a kind of semiconductor called WT7514L.

Function of this product has PWM.

Manufacturers : Weltrend

Image and pinout :

WT7514L image and datasheet pinout

Some of the text within the PDF file :

The WT7514L is a pulse-width modulation (PWM). It contains various functions.


1. Complete PWM Control and Protection Circuitry
Over Voltage Protection for 3.3V / 5V / 12V / PT
Power Good Output is Open Drain Output
250 mS Time Delay for UVP  [ ... ]

WT7514L PDF Datasheet Download

2017/06/22 17:11 2017/06/22 17:11