Power Electronics / Power Management


Synchronous rectifier controller

13 September 2017 Power Electronics / Power Management

ON Semiconductor has introduced an advanced synchronous rectifier (SR) controller optimised for LLC resonant converter topologies. The FAN6248 is an ideal solution for modern, high-performance power supply units (PSU) where high levels of reliability and efficiency are required in a small space. The device incorporates an advanced, mixed, SR control methodology combining instantaneous drain voltage detection with previous switching cycle information. The separate 100 V rated sense inputs accurately sense the drain and source voltages across the two SR MOSFETs, allowing for any asymmetries or poor coupling in the secondary winding. Applications include computing, gaming, large screen LCD TV and OLED TV, networking, telecom and LED lighting.

Future Electronics, +27 (0)21 421 8292, marian.ledgerwood@futureelectronics.com, www.futureelectronics.com



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