Hi, I use the TPS23754EVM-383 reference design, but the output voltage was just 2v, and the switch mosfet(si4848dy) was very hot, need help, thanks very much :)
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Hi, Tom
I use the option3 oring, and for test, I didn't apply the adapter power, I tied T2P, APD and PPD to RTN.
Firstly, I use a different transformer, then I changed to the reference transformer(PA2649NL), the result were same. pls see the attached file.
Thanks.
hi, tom, pls see there two pdf files, even I changed the transformer to PA2649NL, they have same output, the test condition was in very low load, just turn on the led.