B0695-AL

Document 398 Flyback Transformer For National Semiconductor LM5020 PWM Controller • Designed to operate up to 1 MHz with 36 –72 V input. • 3.3 V, 4.5 A output with secondary windings connected in parallel. Bias output is 12 V. • Ideal for 13 W, IEEE 802.3af-compliant, PoE applications. Core material Ferrite Terminations RoHS tin-silver over tin over nickel over phos bronze. Other terminations available at additional cost. Weight 12.8 g Ambient temperature –40°C to +85°C Storage temperature Component: –40°C to +85°C. Packaging: –40°C to +80°C Resistance to soldering heat Max three 40 second reflows at +260°C, parts cooled to room temperature between cycles Moisture Sensitivity Level (MSL) 1 (unlimited floor life at