HiHow Can I design a power supply circuit with:
Input voltage: 230Vac
Output voltage: 5Vdc , 500mA
Using a swiching regulator in my circuit....
What component should I use in this circuit?
Hi
Is isolation important for you ? if yes i think one of the best choices for you will be a flyback converter because your required power is low hence it can be a compact design !
Best Wishes
Goldsmith
It's quite simple: **broken link removed**
Is the primary voltage rating of the transformer 280V or is that a typo?
If it's a 280V to 8V transformer, don't use that. Instead use the other one. However, if it's a 230V to 8V transformer, you can use that.
So, you can use the 230V to 8V transformer.
So, you can use the 230V to 8V transformer.
Use them at the input and output of the regulator.
28V transformer is also okay. Why do you want such a large gap (28V*1.4142135..... vs 5V output)? Do you expect large variations in input voltage?
Yes, use 0.1uF 50V capacitor. Don't forget to use the bulk electrolytic capacitors.
Hope this helps.
Tahmid.
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