IR3629 International Rectifier Corp., IR3629 Datasheet - Page 19

• Manufacturer Part Number: IR3629
• Description: High Frequency Synchronous Pwm Buck Controller With Power Good Output
• Manufacturer: International Rectifier Corp.

11/29/2007
PCB Metal and Components Placement
spacing should be ≥ 0.2mm to minimize shorting.
0.05mm inboard extension. The outboard extension ensures a large and inspectable toe fillet, and the
inboard extension will accommodate any part misalignment and ensure a fillet.
However, the minimum metal to metal spacing should be ≥ 0.17mm for 2 oz. Copper (≥ 0.1mm for 1 oz.
Copper and ≥ 0.23mm for 3 oz. Copper).
minimize the noise effect on the IC.
The lead land width should be equal to the nominal part lead width. The minimum lead to lead
The lead land length should be equal to maximum part lead length + 0.3 mm outboard extension +
The center pad land length and width should be equal to maximum part pad length and width.
Two 0.30mm diameter via should be placed in the center of the pad land and connected to ground to
IR3629/IR3629A MPbF
19