Flyback transformer power supply online calculator


Power Supply Specification
Secondary Windings
Transformer Results

App description

Enter the value and click Calculate. The result will be displayed.

Usage example

Frequency: 120KHz

Time: 8.33uS

Diode voltage drop: 80V

Transistor voltage drop: 120V

Efficacy: 45%

Transistor maximum voltage: 220V

AL=L/N2: 15uH/Turns^2

Primary voltage: 45V

Output voltage Vop1: 50V

Output current Iop1:80A

Power P1: 1.04e+4W

Secondary winding:

Output voltage Vop2: 45V

Output Current Iop2: 60 A

Power P2: 7.50e+3W

Output voltage Vop3: 40V

Output current Iop3: 30A

Power P3: 3.60e+3W

Output voltage Vop4: 50V

Output current Iop4: 70A

Power P4: 9.10e+3W

Click on calculation to output data

The converted result:

Power input Pin: 6.80e+4W

Primary ratio converted to secondary ratio N1:1.05

Charging time Tcp: 14.8uS

Discharge time Tdp: -8.16uS

Standby time Td: 1.67uS

Primary inductance: 0.314uH

Primary conversion to Np: 0.145 conversion s

Secondary conversion to Ns1:-0.251 conversion

Turns Secondary') }} Ns2:-0.241 conversion

Secondary conversion to Ns3:-0.232 conversion

Secondary conversion to Ns4:-0.251 conversion

Peak current: 2.12e+3A

Primary effective current: 1.63e+3A

Primary wire diameter: 22.4 miles

Primary Wire Gauge: 23 miles

 

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