Wide Vin Offline Flyback Bias Transformers

 

 

 

 

 

 

 

 

  • Optimized for Isolated Flyback Offline Design CCM, BCM or DCM Mode Operation -- Selectable with Lp Value
  • Typical Efficiency 82-85%
  • Wide variety of PNs, Designs and Turns Ratios in stock. If not listed, Contact Us.
  • Surface Mount or Thru-Hole Options.
  • Footprint: 15.0 x 16.5 mm x 12.5 mm
  • Proven in actual Offline DC-DC converter Reference Designs Such as DC1929A using LT3752-1 & LT8311 ICs.

1. Input Voltage Range 60-400 .

Champs PN

Vin (Min)

Vin (Max)

Vout

Secy

Iout Secy [ma]

Vout

Pri Aux

Iout Aux [ma]

Pout (Watts)

Pri Ipk

[ma Max]

Mode

CH13-1503P5W-4M-1210

100

400

10.0

175

12

145

3.5

160

DCM

CH13-1501P75W-8M-1210

150

400

10.0

100

12.0

75

1.5

125

CCM

CH13-602P5W-3M-1210

60

400

10.0

125

12.0

105

2.5

150

DCM

Note: Mode of operation DCM depends on Operational Frequency Selected

    Reference Design DC1929A Schematic [Use Flyback Transf to Supply Bias Power for LT3752 & LT8311]