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Original question:

TPS563209: output voltage not expected

TPS563209: Output voltage problem

Lidong Yu
Intellectual 1756 points
Part Number: TPS563209

Related to previous query,

https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/1024339/tps563209-output-voltage-not-expected?tisearch=e2e-sitesearch&keymatch=TPS563209#

When no-load, the voltage of VFB is 0.388V, Vout is 9.48

Connect a 3.6Ω resistance， Iout 300mA, VFB 0.047V, Vout 0.99V