Hi sir,
I have designer an amplifiers circuit with TPA3255.
I meet a issue that system will has a fault(OTE) after working 15s when input signal frequency is 1K. However system can work 20 mins when input signal is 10K.
Power supply: 48v;
Input sine Vpp: 3.4V;
Output sine Vpp: 44V.
Thanks!
Hao