PRELIMINARY DATASHEET
Comparison between FSD210B and FSQ510
Function
FSD210B
FSQ510
Advantages of FSQ510
Fast response
Control Mode
Voltage Mode
Current Mode
Easy to design control loop
Turn-on at minimum drain voltage
High efficiency
Constant Frequency
PWM
Quasi-Resonant
Operation
Operation Method
Frequency variation depending on the
EMI Reduction
Method
Frequency
Modulation
ripple of DC link voltage
Valley Switching
5ms (Built-in)
High efficiency and low EMI
Longer soft-start time
Soft Start
Protection
3ms (Built-in)
TSD
TSD with hysteresis
AOCP
Enhanced Thermal Shutdown protection
Abnormal Over-Current protection
© 2006 Fairchild Semiconductor Corporation
FSQ510, FSQ510H Rev. 0.0.3
www.fairchildsemi.com
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