SG3525 PWM controller module
The SG3525 PWM controller module features adjustable frequency and duty cycle, which makes it ideal for all types of applications, including switching power supplies, motor control applications and others.
1. SG3525A PWM control chip
2. 78M05 regulator chip, providing a reliable voltage for reference
3. two precision adjustable resistors, R3 controls the duty cycle, R4 control frequency
4. onboard power indicator
5. the working voltage: 8 ~ 12V
6. board size: 30.8 (mm) x18 (mm)