Comparison Between FSDM0x65RNB and FSQ-Series
Function
Operation Method
EMI Reduction
Hybrid Control
Burst-Mode
Operation
Strong Protections
TSD
FSDM0x65RE
Constant
Frequency PWM
Frequency
Modulation
Burst-Mode
Operation
OLP, OVP
145°C without
Hysteresis
FSQ-Series
FSQ-Series Advantages
Improved efficiency by valley switching
Quasi-Resonant
Operation
Reduced EMI noise
Reduced components to detect valley point
Valley Switching
Reduce EMI Noise Inherent Frequency Modulation
Alternate Valley Switching
CCM or AVS
Based on Load Improves efficiency by introducing hybrid control
and Input Condition
Advanced
Burst-Mode
Operation
Improved standby power by AVS in burst-mode
OLP, OVP,
AOCP, OSP
Improved reliability through precise AOCP
Improved reliability through precise OSP
140°C with 60°C Stable and reliable TSD operation
Hysteresis Converter temperature range
© 2007 Fairchild Semiconductor Corporation
FSQ0565R, FSQ0765R Rev. 1.0.0
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