LM5157: LM5157QRTERQ1

PONNOJU NAGASHIRISHA

Part Number: LM5157

Hi Team,

I am using this part for SEPIC converter application. Can you please guide me how to select the loop compentation components for the Pin 8 : COMP. or any range of Rcomp , Ccomp & Chf Components.

And also i request you to provide the power dissipation value of this IC.

Thanks & Regards,

Ponnoju Nagashirisha

over 2 years ago

0 Brigitte over 2 years ago

TI__Guru 65170 points

Hello Ponnoju,

Please have a look at our quickstart calculator: https://www.ti.com/lit/zip/snvr512

Best regards,
Brigitte

0 PONNOJU NAGASHIRISHA over 2 years ago

Prodigy 120 points

i had calculated the value of tss where i get the units as Seconds/Volts.

how to get it in Seconds?

0 Brigitte over 2 years ago in reply to PONNOJU NAGASHIRISHA

TI__Guru 65170 points

Hello Ponnoju,

Formulas 3 and 4 need to be multiplied by Vret which is 1V.

Best regards,
Brigitte

Power management

Power management forum

LM5157: LM5157QRTERQ1