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
Reduced
EMI Noise
! Valley Switching
! 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 advanced 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
© 2008 Fairchild Semiconductor Corporation
FSQ0465RS/RB Rev. 1.0.1
8
www.fairchildsemi.com