LM5118: problem with lm5118 when add load

jesus britoloaiza

Part Number: LM5118

Hi expert TI....

My regulator does not work when I try to start it with the load set to my minimum input voltage (12 Vdc), I have to add a delay to the load to wait for it to work.
How can I get around this?

VOUT = 12 VDC
VIN = 12 VDC - 48 VDC
IOUT = 5A

7 months ago

+1 Stefan Schauer 7 months ago

TI__Mastermind 36381 points

Hi Jesus,

Please try to increase the softstart time and Check if this does solve the issue.

Best regards,

Stefan

0 jesus britoloaiza 6 months ago in reply to Stefan Schauer

Prodigy 60 points

thank you very much, I have another question, how would I improve the efficiency in my design?

I want to increase my red points

thank you very much in advance.

0 Stefan Schauer 6 months ago in reply to jesus britoloaiza

TI__Mastermind 36381 points

HI Jesus,

as there is also another thread where this question has been posted, I will close this one.

(+) LM5118: I want to improve efficiency - Power management forum - Power management - TI E2E support forums

If you have another question to the original topic just reply here to reopen the topic again.

If this topic is solved, you can also click the resolved button to help maintaining this forum.

Best regards,

Stefan