Document 746-1
Magnetics for 300 W Power Supply with PFC
• Specified byTexas Instruments in Reference Design SLUU341 f...
Document 746-1
Magnetics for 300 W Power Supply with PFC
Specified byTexas Instruments in Reference Design SLUU341 for 300 Watt Isolated PFC Power Supply
HA3950-AL, Flyback transformer (T201) for 5 W bias supply operates with an input
voltage range of 100 – 450 V.
HA3858-AL, Gate drive transformer (T301)
Core material Ferrite Terminations RoHS compliant tin-silver over tin over copper. Other terminations available at additional cost. Weight HA3950-AL: 13.5 g; HA3858-AL: 4.1 g Ambient temperature –40°C to +85°C Storage temperature Component: –40°C to +85°C. Tray packaging: –40°C to +80°C Moisture Sensitivity Level (MSL) 1 (unlimited floor life at <30°C / 85% relative humidity) Failures in Time (FIT) / Mean Time Between Failures (MTBF) 38 per billion hours / 26,315,789 hours, calculated per Telcordia SR-332 Packaging 100 per tray PCB washing Tested with pure water or alcohol only. For other solvents, see Doc787_PCB_Washing.pdf.
HA39...