FSQ0265RLX 查看數據表（PDF） - Fairchild Semiconductor

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FSQ0265RLX

Green Mode Fairchild Power Switch (FPS™) for Valley Switching Converter – Low EMI and High Efficiency

Fairchild Semiconductor 

Comparison Between FSDM0x65RNB and FSQ-Series

Function

Operation Method

EMI Reduction

Burst-Mode

Operation

Protection

FSDM0x65RNB

Constant

Frequency PWM

Frequency

Modulation

Fixed Burst Peak

FSQ-Series

Advantages of FSQ-Series

Valley Switching

Operation

 Improved efficiency by valley switching

 Reduced EMI noise

Valley Switching &

Inherent Frequency  Reduce EMI noise in two ways

Modulation

Advanced Burst-

Mode

 Improved standby power by valley switching also in

burst-mode

 Because the current peak during burst operation is

dependent on VFB, it is easier to solve audible

noise

AOCP

 Improved reliability through precise abnormal over-

current protection

© 2007 Fairchild Semiconductor Corporation

FSQ0365, FSQ0265, FSQ0165, FSQ321 • Rev. 1.0.6

8

www.fairchildsemi.com

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