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]