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|  | hno
on 03/25 at 12:06 PM
| Category(s): | power.national.com |
| Subject: | LM3478 SEPIC |
| Message: (Notified via email on every direct response) |
Hello,
I am trying to design a SEPIC with LM3478 that runs from 9V input to 32V input and delivers 24V 5A.
My problem is that even with a small load of less than one amp, the mosfet gets really hot and eventually the Rsense fries.
I am a beginner in this field, so I have basically taken the datasheet schematic. but the compensation and the resistor into the sense input, I have had problems determining.
I have my schematic attached. Any and all helt will be gladly appreciated.
Thanking you all in advance.
Best regards
Henrik
Attached File - LM3478_sepic .pdf
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