LM5157-Q1: SEPIC Converter

Masao Kanzawa

Part Number: LM5157-Q1
Other Parts Discussed in Thread: LM5157, LM5155

Using LM5157,
We are considering a SEPIC converter with an input voltage of 16V to 38V and an output of about 24V 2.5A.
Isn't there a good advice / sample schematic available?

over 4 years ago

0 EM over 4 years ago

TI__Genius 11215 points

Hello,

Thanks for reaching out. The material for the LM5157 SEPIC is not yet available.
Currently, we have this app note available on how to design a SEPIC: https://www.ti.com/lit/an/snva168e/snva168e.pdf
You also might want to take a look at the LM5155 SEPIC EVM https://www.ti.com/tool/LM5155EVM-SEPIC .

Please keep in mind that the LM5157 has an integrated switch, while the LM5155 is a controller with external switch.

Kind regards,

Elisabetta

0 EM over 4 years ago in reply to EM

TI__Genius 11215 points

Hello,

As I did not hear back from you, I assume you were able to solve this issue. I will close this thread now, if you have further questions please feel free to post them here or open a new thread if this one has been locked due to time out.

Kind regards.

Power management

Power management forum

LM5157-Q1: SEPIC Converter