EL7516 Просмотр технического описания (PDF) - International Rectifier
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EL7516 Datasheet PDF : 11 Pages
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EL7516
Layout Considerations
To achieve highest efficiency, best regulation and most
stable operation, a good printed circuit board layout is
essential. It is strongly recommended that the demoboard
layout to be followed as closely as possible. Use the
following general guidelines when laying out the print circuit
board:
1. Place C4 as close to the VDD pin as possible. C4 is the
supply bypass capacitor of the device.
2. Keep the C1 ground, GND pin and C2 ground as close as
possible.
3. Keep the two high current paths a) from C1 through L1, to
the LX pin and GND and b) from C1 through L1, D1, and
C2 as short as possible.
4. High current traces should be short and as wide as
possible.
5. Place feedback resistor close to the FB pin to avoid noise
pickup.
6. Place the compensation network close to the COMP pin.
The demo board is a good example of layout based on these
principles; it is available upon request.
All Intersil U.S. products are manufactured, assembled and tested utilizing ISO9000 quality systems.
Intersil Corporation’s quality certifications can be viewed at www.intersil.com/design/quality
Intersil products are sold by description only. Intersil Corporation reserves the right to make changes in circuit design, software and/or specifications at any time without
notice. Accordingly, the reader is cautioned to verify that data sheets are current before placing orders. Information furnished by Intersil is believed to be accurate and
reliable. However, no responsibility is assumed by Intersil or its subsidiaries for its use; nor for any infringements of patents or other rights of third parties which may result
from its use. No license is granted by implication or otherwise under any patent or patent rights of Intersil or its subsidiaries.
For information regarding Intersil Corporation and its products, see www.intersil.com
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FN7333.3
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