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.

Power Stage Device

Competitors solution

Figure 29. Power Stage phase node rising edge, High Side Turn on

*Patent Pending

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