EPR-21 – 5 V, 30 W DC-DC Converter
19-Nov-02
Current ripple factor of combined Main
and Output2 outputs
KDIMAIN
nOUT2
nBIAS
0.20
0.0
Approximate turns ratio for Output2
winding
Approximate turns ratio for Bias
winding
2.3
SECONDARY OUTPUT PARAMETERS
No derating
Maximum transformer secondary RMS
ISMAINRMSLL
4.67 Amps
0.00 Amps
current (AC stacked secondary)
Maximum transformer secondary RMS
current (AC stacked secondary)
ISOUT2RMSLL
Maximum average current, Main
rectifier (single device rating)
Maximum average current, Main
rectifier (single device rating)
IDAVMAIN
IDAVOUT2
4.23 Amps
0.00 Amps
Maximum RMS current, Main output
capacitor
IRMSMAIN
IRMSOUT2
0.35 Amps
0.00 Amps
Maximum RMS current, Out2 output
capacitor
VPIVMAIN
VPIVOUT2
39.6 Volts
0.0 Volts
Main rectifiers peak-inverse voltage
Output2 rectifiers peak-inverse voltage
Bias output rectifier peak-inverse
VPIVB
58.1 Volts
voltage
Power Integrations, Inc.
Tel: +1 408 414 9660 Fax: +1 408 414 9760
www.powerint.com
Page 16 of 32
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