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SD6251D6G-R Folha de dados(PDF) 8 Page - SHOUDING Shouding Semiconductor

Nome de Peças SD6251D6G-R
Descrição Electrónicos  5V, 2.5A 550KHz High Efficiency Low Ripple Synchronous Step-Up Converter
PDF  9 Pages
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Fabricante Electrônico  SHOUDING [SHOUDING Shouding Semiconductor]
Página de início  http://shouding.net/
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SD6251D6G-R Folha de dados(HTML) 8 Page - SHOUDING Shouding Semiconductor

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85T
Application Information (Continued)
Layout Considerations
As for all switching power supplies, the layout is an
important step in the design, especially at high peak
currents and high switching frequencies.
If the
layout is not carefully done, the regulator could
show stability problems as well as EMI problems.
Therefore, use wide and short traces for the main
current path as indicated in bold in Figure 4.
The
input capacitor, output capacitor and the inductor
should be placed as close to the IC as possible.
Use a common ground node as shown in Figure 4
to minimize the effects of ground noise.
The
feedback divider should be placed as close to the IC
as possible.
GND
VOUT
VIN
LX
GND
3
L1
C1
R2
R1
C3
C5
2
1
4
5
6
Figure 4. Layout Diagram
SD6251
http://www.sdw-tw.com
Ver 1.0 Oct 2012



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