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Please note: As part of the Fairchild Semiconductor integration, some of the Fairchild orderable part numbers
will need to change in order to meet ON Semiconductor’s system requirements. Since the ON Semiconductor
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(_), the underscore (_) in the Fairchild part numbers will be changed to a dash (-). This document may contain
device numbers with an underscore (_). Please check the ON Semiconductor website to verify the updated
device numbers. The most current and up-to-date ordering information can be found at
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Please
email any questions regarding the system integration to
Fairchild_questions@onsemi.com.
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FSFR-HS Series — Advanced Fairchild Power Switch (FPS™) for Half-Bridge Resonant Converter
February 2013
FSFR-HS Series —
Advanced Fairchild Power Switch
(FPS™) for Half-Bridge Resonant Converters
Features
Variable Frequency Control with 50% Duty Cycle
for Half-Bridge Resonant Converter Topology
Description
The FSFR-HS 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 FSFR-HS
simplifies designs while improving productivity and
performance. The FSFR-HS combines power MOSFETs,
a high-side gate-drive circuit, an accurate current-
controlled oscillator, and built-in protection functions.
The high-side gate-drive circuit has a common-mode
noise cancellation capability, which provides stable
operation with excellent noise immunity. Using zero-
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Microcontroller MCU
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