參數資料
型號: SC1402ISS
廠商: Semtech Corporation
英文描述: Multi-Output, Low-Noise Power Supply Controller for Notebook Computers
中文描述: 多輸出,低噪聲電源控制器,用于筆記本電腦
文件頁數: 15/18頁
文件大小: 270K
代理商: SC1402ISS
SC1402
2000 SEMTECH CORP.
652 MITCHELL ROAD
NEWBURY PARK CA 91320
Multi-Output, Low-Noise Power Supply
Controller for Notebook Computers
December 15, 2000
15
PCB Layout
As with any high frequency switching regulator it is advisable to practice a careful layout strategy. This includes
keeping loop area as small as possible. Properly decoupling lines that pull large amounts of current in short peri-
ods of time. To keep loop area small always use a ground plane and if possible split the plane in two areas, signal
GND and power GND then tie the two together at one point. Be sure that high current paths have low inductance
by making track widths wide where possible. We recommend the following layout for the SC1042 shown below.
This layout has been optimized for having tight loop areas and bypassing the SC1402 properly.
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