- ShengZheng ,GuangDong, China
- Jun 9th
????? >Description This PCB can generate PWM signal using SG3525A IC, Datasheet Used to control power circuit, LED dimming etc. 1, onboard SG3525A PWM control chip 2, on-board 78M05 regulator chip, providing a reliable reference voltage 3, onboard two precision adjustable resistors, R3 controls the duty cycle, R4 control frequency 4, on-board power indicator 5, the working voltage: 8 ~ 12V 6, board size: 30.8 (mm) x18 (mm)