FDMS3686S Fairchild Semiconductor, FDMS3686S Datasheet - Page 11

• Manufacturer Part Number: FDMS3686S
• Description: This device includes two specialized N-Channel MOSFETs in a dual PQFN package
• Manufacturer: Fairchild Semiconductor

©2012 Fairchild Semiconductor Corporation
FDMS3686S Rev.C1
Application Information
1. Switch Node Ringing Suppression
Fairchild’s Power Stage products incorporate a proprietary design* that minimizes the peak overshoot, ringing voltage on the switch
node (PHASE) without the need of any external snubbing components in a buck converter. As shown in the figure 29, the Power Stage
solution rings significantly less than competitor solutions under the same set of test conditions.
*Patent Pending
Power Stage Device
Figure 29. Power Stage phase node rising edge, High Side Turn on
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Competitors solution
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