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TINA/Spice/LM5022: LM5022 SEPIC in TINA TI

Part Number: LM5022
Other Parts Discussed in Thread: TINA-TI

Tool/software: TINA-TI or Spice Models

Hello,

I'm trying to simulate a SEPIC converter with 24Vin and Vout adjustment from 8 to 50V out.

Looking at the transient simulation, it shows the converter not regulating at light load and voltage dropping out on Vout change. (more details in power point slide)

Would you be able to help me fix this circuit? ( included in zip file)   Thank you, Keith

_LM5022 SEPIC.zip