Part Number: PMP7991 Other Parts Discussed in Thread: LM5023 Hello, I am using the PMP7991 dev board circuit built for 12V/2A output. I was wondering if the compensation network voltage divider would be the only modification to change the output voltage…
Part Number: PMP7991 Hello, the reference design PMP7991 shows the development board using the 7508112328 transformer as part of fly-back conversion. However, your WEBENCH tool output circuit design based on same circuit characteristics do match transformer…
Hi Yuri,
For the audible noise, it could be caused by vibration of different parts on the board. The part could be capacitors, transformer etc..
You could find where is the audio from by hearing from a paper tube on the components.
If it is from transformer…
Hello Ammar, I could not find any design that matches your criteria exactly, but please consider the following reference design which may be close to your application: http://www.ti.com/tool/PMP9638?keyMatch=null&tisearch=tidesigns-power This design has…