Electronic Design
Super Barrier Rectifier Helps Reduce Charger Size

Super Barrier Rectifier Helps Reduce Charger Size

15 A rated super barrier rectifier characterized by low forward voltage and low reverse leakage, tolerating higher current pulses and operating temperatures of low-profile, discontinuous mode flyback charger designs.

The 15 A rated SBR15U50SP5 super barrier rectifier from Diodes Incorporated is designed to meet the needs of next-generation smartphone and tablet chargers. Characterized by low forward voltage and low reverse leakage, the miniature super barrier rectifier tolerates the higher current pulses and operating temperatures of low-profile, discontinuous mode flyback charger designs. Presenting a forward voltage of 0.35 V for a current of 10 A at an ambient temperature of +90ºC, the device ensures conduction losses are minimized and increases charger efficiency. Its low reverse leakage at higher temperatures reduces blocking mode losses, thereby removing the risk of thermal runaway and raising reliability. The rectifier’s electrical performance, combined with the low thermal resistance of the compact PowerDI-5 package optimizes heat transfer, enabling much smaller, thinner charger designs to be achieved. The company’s proprietary PowerDI-5 package occupies a maximum footprint of 4.05 x 6.60 mm and has an off-board profile of 1.15 mm. The SBR15U50SP5 super barrier rectifier is priced at $0.25 each/3,000.

DIODES INCORPORATED

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