参数资料
型号: IR3629A
厂商: International Rectifier
英文描述: HIGH FREQUENCY SYNCHRONOUS PWM BUCK CONTROLLER WITH POWER GOOD OUTPUT
中文描述: 高频同步PWM降压控制器与电源良好输出
文件页数: 11/23页
文件大小: 598K
代理商: IR3629A
IR3629/IR3629A MPbF
11/26/2007
PCB Metal and Components Placement
The lead land width should be equal to the nominal part lead width. The minimum lead to lead
spacing should be ≥ 0.2mm to minimize shorting.
The lead land length should be equal to maximum part lead length + 0.3 mm outboard extension +
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.
The center pad land length and width should be equal to maximum part pad length and width.
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).
Two 0.30mm diameter via should be placed in the center of the pad land and connected to ground to
minimize the noise effect on the IC.
19
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