Hello,
We are using the TPS54627 with an input voltage of 9.3V; however, we see an output voltage of 0.509V.
Referencing the data sheet, we are using:
R1: 30kOhm
R2: 22.1kOhm
R3: 10kOhm
C1,C2: 10uF
C3: 0.1uF
C4: 10pF
C5: 1uF
C6: 8200pF
C7: 0.1uF
C8,C9: 22uF
L1: 3.3uF
Interestingly enough, the output voltage varies with our input voltage, peaking at 0.736V out with 13.1V in. The same phenomenon happens on two chips we tried. Any ideas? Leads?