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TPS65131: V- very low output current

V
Prodigy 10 points
Part Number: TPS65131

Hello!

Ive created a circuit according to the reference Design from the Datasheet of the IC, and the Problem with the prototype is the very low output current for -15V output, and even changing the Output to -10V, which according to the Datasheet should increase the output current capacity, still brings nothing. Another problem is the output without load delivers the correct voltage, as soon as a load is applied the voltage goes from -15V to -20V and for the -10V configuration, the voltage goes from -10V to -15V or so. Any ideas on what the reason for this might be?

What is the maximum practical value of the output current for the -15V and -10V outputs on the negative Rail? The values shown in the datasheet are considerably higher than the tested results. The positive one is fine.

Thanks for your time and help,

Have a nice day,


Vlad