- Jan 1, 1970
I'm building a 200kHz switching DC-DC converter with an input between 6V and 12V, and output of 5V at 1A. The transistor I've found that should work gets very hot with the full load, even though its saturated when running. Is this normal for any switching supply running at 1A, or is there something better? I'm also trying to run the control circuitry (inherent short protection this way, short the load, shorts out the ocillator, stops the circuit), which means I'd like my 5V PWM output to (eventually) power a transistor at 12V potential.