I refrence the design of "TPS23750 Buck-Converter Evaluation Board",but can't get Stable output of 5V.And could not find why
this is sch
and this is err video
some detail info:
1.Q2 use NCE0110K TO-252-2 100V/9.6A NMOS.
2.R3 Parallel by1K(0805 1%) and 560R(0805 1%),the value is 358.9R
3.C9 use 100uf/63V
4.C14 use 0.22uf(1206)
What causes this phenomenon?
method to resolve the problem.