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LP3972 Fiches technique(PDF) 57 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor. Click here to check the latest version.
No de pièce LP3972
Description  Power Management Unit for Advanced Application Processors
PDF  59 Pages
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Fabricant  NSC [National Semiconductor (TI)]
Site Internet  http://www.national.com
Logo NSC - National Semiconductor (TI)

LP3972 Fiches technique(HTML) 57 Page - National Semiconductor (TI)

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Application Hints (Continued)
Buck Output Ripple Management
If V
IN and ILOAD increase, the output ripple associated with
the Buck Regulators also increases. The figure below shows
the safe operating area. To ensure operation in the area of
concern it is recommended that the system designer circum-
vents the output ripple issues to install schottky diodes on
the Bucks(s) that are expected to perform under these ex-
treme corner conditions.
(Schottky diodes are recommended to reduce the output
ripple, if system requirements include this shaded area of
operation. V
IN > 1.5V and ILOAD > 1.24)
20207647
www.national.com
57



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