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Schematic of a 15V simple SMPS

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Re: 15V simple SMPS


Nice and simple self resoneting low cost SMPS circuit.

Several questions:

1) What is the vin range of this circuit?

2) What is the power output of this cicuit(A out range)

2) What is the full part number of Q3?

3) What is the resistor power ratio?

4) What type of magnetic core was used with L1,2,3?

All the best

15V simple SMPS

vin 100V to 240V ac
Power upto 60 watts depends on core and other component selection.
Q3 3N60 from fairchild
Till 10watts u can go for ee16
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