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DATA SHEET www.onsemi.com
Power Switch for Half-Bridge Resonant Converters
FSFR2100
Description The FSFR2100 is a highly integrated power switch designed for
high−efficiency half−bridge resonant converters. Offering everything necessary to build a reliable and robust resonant converter, the FSFR2100 simplifies designs and improves productivity, while improving performance. The FSFR2100 combines power MOSFETs with fast−recovery type body diodes, a high−side gate−drive circuit, an accurate current controlled oscillator, frequency limit circuit, soft−start, and built−in protection functions. The high−side gate−drive circuit has a common−mode noise cancellation capability, which guarantees stable operation with excellent noise immunity.