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For complete documentation, view the LT1725 page

Part Number* Description Package Pins Price (1-99) Price (100+) QTY
LT1725CGN#PBF HV Isolated Flyback Controller SSOP 16 $3.55 $3.06
LT1725CGN#TRPBF HV Isolated Flyback Controller SSOP 16 $3.16
LT1725CS#PBF HV Isolated Flyback Controller SO 16 $3.43 $2.96
LT1725CS#TRPBF HV Isolated Flyback Controller SO 16 $3.06
LT1725IGN#PBF HV Isolated Flyback Controller SSOP 16 $4.14 $3.57
LT1725IGN#TRPBF HV Isolated Flyback Controller SSOP 16 $3.67
LT1725IS#PBF HV Isolated Flyback Controller SO 16 $4.03 $3.47
LT1725IS#TRPBF HV Isolated Flyback Controller SO 16 $3.57

Demo Boards

Part Number* Description Price (1-99) QTY
DC373A-A LT1725IGN | 48Vin to 5Vout 2A Module, Isolated Flyback, 1x2 Footprint $150.00 1
DC373A-B LT1725IGN | 48Vin to 3.3V/3A, 10W Module, Isolated Flyback, 1x2 Footprint $150.00 1
DC431A LT1725CGN LTC1773EMS | Telecom Input, Isolated 3 Output DC/DC Converter, +36V to +72V Input, Vout = 5V/1A, 3.3V/5A, 2.5V/4A 1 Contact Factory
DC508A LT1725CGN | Low Cost, High Efficiency Synchronous Forward Converter w/o Optoisolator, +Vin = 36V-72V, +Vout = 2.5V/3.3V at 10A 1 Contact Factory
DC562A-A LT1725CGN | Isolated Forward Converter, Vin=36V to 72V, Vout=3.3V@30A 1 Contact Factory
DC562A-B LT1725CGN | Isolated Forward Converter, Vin=36V to 72V, Vout=5V@20A 1 Contact Factory
DC562A-C LT1725CGN | Isolated Forward Converter, Vin=36V to 72V, Vout=12V@12A 1 Contact Factory
DC638A LT1725CGN | Synchronous Flyback Converter, 36V - 72Vin, to 3.3V @ 3.5A, 350mA Input Current 1 Contact Factory

* When ordering part numbers ending in #TR or #TRM for quantities less than (or not an even multiple of) a full reel, parts will be shipped in bulk or cut tape