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100V-230V AC to 5V DC power supply

Other Parts Discussed in Thread: UCC28910FBEVM-526

Hi TI,

I want to build a simple but yet reliable 100V-230V AC to 5V/1A DC power supply using flyback topology. Could you please advice me a control transistor/IC such as 2SC2411 that is cheap and does the job? Any application note is appreciated, The output voltage/current ripple doesn't need to have high requirements.

Do you perhaps know an easy way to make two independent 5v power supplies fed by two independent 100V-230V AC networks?

Thank you!