SG6846C 查看數據表（PDF） - Fairchild Semiconductor

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SG6846C

Highly Integrated Green-Mode PWM Controller

Fairchild Semiconductor 

Operation Description (Continued)

Noise Immunity

Noise from the current sense or the control signal may

cause significant pulse-width jitter, particularly in

continuous-conduction mode. Slope compensation

helps alleviate this problem. Good placement and

layout practices should be followed. Avoid long PCB

traces and component leads. Compensation and filter

components should be located near the SG6846C.

Figure 18. Current Sense R-C Filter

© 2007 Fairchild Semiconductor Corporation

SG6846C • Rev. 1.1.2

11

www.fairchildsemi.com

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