FSQ510_09 Datasheet, PDF (6/15 Pages) Fairchild Semiconductor – Green Mode Fairchild Power Switch

Comparison between FSD210B and FSQ510
Function
Control Mode
Operation Method
EMI Reduction
Method
Soft-Start
Protection
Power Balance
Power Ratings
FSD210B
Voltage Mode
Constant Frequency
PWM
Frequency
Modulation
3ms (Built-in)
TSD
Long TCLD
Less than 5W
Under Open-Frame
Condition at the
Universal Line Input
FSQ510
Advantages of FSQ510
Current Mode
Fast Response
Easy-to-Design Control Loop
Valley Switching Turn-on at Minimum Drain Voltage
Operation
High Efficiency and Low EMI
Valley Switching
Frequency Variation Depending on the Ripple
of DC Link Voltage
High Efficiency and Low EMI
5ms (Built-in) Longer Soft-Start Time
TSD with Hysteresis Enhanced Thermal Shutdown Protection
Short TCLD
Small Difference of Input Power between the
Low and High Input Voltage Cases
More than 6W
Under Open-Frame
Condition at the
Universal Line Input
More Output Power Rating Available due to the
Valley Switching
© 2009 Fairchild Semiconductor Corporation
FSQ510, FSQ510H, and FSQ510M • Rev. 1.3.0
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