Part Number: LM5122 Other Parts Discussed in Thread: PMP20371 Hello
Per PMP20371 schematics, how to adjust output voltage by below schematics. Thank you.
http://www.ti.com/tool/PMP20371?keyMatch=PMP20371&tisearch=Search-EN-Everything
Hello Sam,
I suggest you look at the buck boost topology for this design
PMP20371 is an inverting buck boost with a -48V input.
This design is for 125W so you will need to make changes for your higher power application.
Regards
John
Hello,
It is possible to do a negative to positive converter using the LM5122. The difference between the input and the output needs to be below the ABS max of the SW pin which is 100V, which it is for this application. There is no dedicated calculator…
Hi Timothy,
I encourage you to use the TI Reference Designs page: http://www.ti.com/general/docs/refdesignsearchresults.tsp
I used -48V Min Input, 12V Min Output, no value in Output current, and a close design is the 125W Inverting Buck-Boost using…
