SMT Planar Transformer
Document 1299
SMT Planar Transformer ForTIUCC289712V/264W Active Clamp Forward
• Developed for Texas Instruments UCC28...
Description
Document 1299
SMT Planar Transformer ForTIUCC289712V/264W Active Clamp Forward
Developed for Texas Instruments UCC2897 Active Clamp Forward (PMP7376 reference design)
Designed for 52 – 60 Vdc input; 12 V, 22 A output High efficiency; excellent DCR; very low leakage inductance; 1500 Vrms, one minute primary to secondary isolation (hipot)
Core material Ferrite Terminations Matte tin over nickel over brass. Weight 22.0 g Ambient temperature –40°C to +125°C Maximum part temperature +155°C (ambient + temp rise) Storage temperature Component: –40°C to +155°C. Tray 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 <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 Packa...
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