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LM5118: LM5118-buck_ok_boost_problem_onTına_tı

Part Number: LM5118

Hello Friends,

İ try a design 5V-55V to 16.80V @ 3A with LM5118 . İ see Lm5118 is buck boost converter. 

İ try on webench and i download tına tı file on my pc. 

İ tryed up to 20V dc voltage on system, Board is succesfully 16.8 Volt .

But i tryed 10V - 15V it is fault. Boost converter not work on tına-tı .

Tına files link :

Could you help me about this topic ? i share my app.