I have designed a regulator circuit but the switching regulator stopped working.
Specs:
Schematic:
Board:
When powering the circuit for the first time it started "ringing" (hearing low f. noise). After running some tests the regulator stopped to take current (The measured output voltage was 32V though). I am not a professional analog circuit designer so my design might have problems.
Some suggestions why the circuit doesn't work:
However the connections are good since I soldered and double-checked them myself (Experienced with SMA).
If you have any suggestions or you can help me with the compensation network, please reply.
Specs:
- 12 VDC input
- 32 VDC output
- ~50 mA output current
- Boost mode
- 800 kHz switching frequency
- 0.625 duty cycle
Schematic:
When powering the circuit for the first time it started "ringing" (hearing low f. noise). After running some tests the regulator stopped to take current (The measured output voltage was 32V though). I am not a professional analog circuit designer so my design might have problems.
Some suggestions why the circuit doesn't work:
- Compensation network design
- board layout
However the connections are good since I soldered and double-checked them myself (Experienced with SMA).
If you have any suggestions or you can help me with the compensation network, please reply.