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AS1322 数据表(PDF) 13 Page - ams AG

部件名 AS1322
功能描述  Low Voltage, Micropower, DC-DC Step-Up Converters
PDF  17 Pages
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制造商  AMSCO [ams AG]
网页  http://www.ams.com
标志 AMSCO - ams AG

AS1322 数据表(HTML) 13 Page - ams AG

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www.austriamicrosystems.com
Revision 1.07
13 - 17
AS1322
Data Sheet - Ap p lica tio n In fo r m a tio n
PCB Layout Guidelines
The high-speed operation of the AS1322 requires proper layout for optimum performance. Figure 21 shows the recom-
mended component layout.
!
A large ground pin copper area will help to lower the device temperature.
!
A multi-layer board with a separate ground plane is recommended.
!
Traces carrying large currents should be direct.
!
Trace area at pin FB should be as small as is practical.
!
The lead-length to the battery should be as short as is practical.
Figure 21. Recommended Single-Layer Component Placement
1
AS1322
2
3
6
5
4
Optional
SHDNN
VIN
FB
VOUT
GND
SW
VOUT
VIN
SHDNN
R2
R1
COUT
CIN



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