Part Number: PMP21867 Other Parts Discussed in Thread: LM5122 , PMP7979 Dear Team,
Do you have reference design for -48V to 12Vout/ 10A application?
I have find PMP21867, but it's 1000W solution with 4 phase.
If you have suitable solution, please…
Part Number: LM5170 Other Parts Discussed in Thread: PMP21867 , Hi Team,
Customer want to use LM5170 to achieve -48V input & 12V output. I think LM5170 can be used without problem and have verified by PMP21867.
But in customer system, the input GND…
Hi Tommy,
Thanks for reaching out.
For negative to positive conversion, please have a look at this reference design: https://www.ti.com/tool/de-de/PMP21867 and this application note: https://www.ti.com/lit/an/slva985/slva985.pdf
This can be also…
Hello Cherry,
The TL431 might work with an optocoupler at 300kHz to 1MHz but it would require a very aggressive compensation network to maximize the TL431's bandwidth. If the TL431's bandwidth is not sufficient, a better solution would be to use a discrete…
Hi,
please check this application example
PMP21867 reference design | TI.com
The "Bias Power for Gate Drivers and LM5170 Controllers" section shows a good example on how to generate (Boost) a negative voltage to a positive.
Best regards,
St…
