ADM7172ACPZ-R2 datasheet(23/24 Pages) AD

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ADM7172ACPZ-R2 数据表(PDF) 23 Page - Analog Devices

23 / 24 page

ADM7172

Data Sheet

Rev. C | Page 22 of 23

PRINTED CIRCUIT BOARD LAYOUT CONSIDERATIONS

Heat dissipation from the package can improve by increasing the

amount of copper attached to the pins of the ADM7172. However,

as listed in Table 7, 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 and

GND pins. 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 71. Example LFCSP PCB Layout

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