FSQ0765RS Fairchild Semiconductor, FSQ0765RS Datasheet - Page 8

• Manufacturer Part Number: FSQ0765RS
• Description: A Quasi-Resonant Converter (QRC) generally shows lower EMI and higher power conversion efficiency than a conventional hard-switched converter with a fixed switching frequency
• Manufacturer: Fairchild Semiconductor

FSQ0765RS • Rev. 1.0.2
© 2008 Fairchild Semiconductor Corporation
Comparison Between FSDM0x65RNB and FSQ-Series
Strong Protections
Operation Method
EMI Reduction
Hybrid Control
Function
Burst-Mode
Operation
TSD
FSDM0x65RE
Frequency PWM
145°C without
Burst-Mode
Modulation
Frequency
OLP, OVP
Hysteresis
Operation
Constant
and Input Condition
Reduce EMI Noise
140°C with 60°C
Quasi-Resonant
FSQ-Series
Based on Load
CCM or AVS
AOCP, OSP
Burst-Mode
OLP, OVP,
Hysteresis
Advanced
Operation
Operation
8
!
!
!
!
!
!
!
!
!
!
!
!
Improved efficiency by valley switching
Reduced EMI noise
Reduced components to detect valley point
Valley switching
Inherent frequency modulation
Alternate valley switching
Improves efficiency by introducing hybrid control
Improved standby power by AVS in burst-mode
Improved reliability through precise AOCP
Improved reliability through precise OSP
Stable and reliable TSD operation
Converter temperature range
FSQ-Series Advantages
www.fairchildsemi.com