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ADP7142ARDZ-1.8-R7 Scheda tecnica(PDF) 20 Page - Analog Devices

Il numero della parte ADP7142ARDZ-1.8-R7
Spiegazioni elettronici  40 V, 200 mA, Low Noise, CMOS LDO Linear Regulator
PDF  23 Pages
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Produttore elettronici  AD [Analog Devices]
Homepage  http://www.analog.com
Logo AD - Analog Devices

ADP7142ARDZ-1.8-R7 Scheda tecnica(HTML) 20 Page - Analog Devices

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ADP7142
Data Sheet
Rev. H | Page 20 of 23
PRINTED CIRCUIT BOARD LAYOUT CONSIDERATIONS
Heat dissipation from the package can be improved by increasing
the amount of copper attached to the pins of the ADP7142.
However, as listed in Table 6, a point of diminishing returns is
eventually reached, beyond which an increase in the copper size
does not yield significant heat dissipation benefits.
Place the input capacitor as close as possible to the VIN pin and
GND pin. Place the output capacitor as close as possible to the
VOUT and GND pins. Use of 0805 or 1206 size capacitors and
resistors achieves the smallest possible footprint solution on
boards where area is limited.
Figure 64. Example LFCSP PCB Layout
Figure 65. Example SOIC PCB Layout



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