AN4189 datasheet(12/23 Pages) STMICROELECTRONICS

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AN4189 Datasheet(PDF) 12 Page - STMicroelectronics

Part #	AN4189

Description	The STEVAL-CCA049V1 is a demonstration board designed for the evaluation

PDF	23 Pages

Scroll/Zoom	100%

Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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12 / 23 page

Design guidelines for PCB schematic and layout

AN4189

12/23

Doc ID 023809 Rev 1

3.2

Layout

This section provides layout recommendations to ensure the optimum performance of the

STA335ML.

Solder the snubber network as close as possible to the related IC pin.

Figure 13.

Snubber network

Use an electrolytic capacitor first to separate the VCC branches.

Figure 14.

Electrolytic capacitor

Minimize the path length between the VCC pins and ground pin in order to avoid inductive

paths.

Figure 15.

Minimized path between VCC and GND

Snubber network

Separate from the E-cap

VCC

GND

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