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IR3840WM Datasheet(PDF) 30 Page - International Rectifier

Part # IR3840WM
Description  HIGHLY EFFICIENT INTEGRATED 12A SYNCHRONOUS BUCK REGULATOR
PDF  34 Pages
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Manufacturer  IRF [International Rectifier]
Direct Link  http://www.irf.com
Logo IRF - International Rectifier

IR3840WM Datasheet(HTML) 30 Page - International Rectifier

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Rev 12.0
PD-97657
IR3840WMPbF
30
PGnd
Vin
AGnd
Power
Ground
Plane
Analog
Ground
plane
Single point
connection between
AGND & PGND,
should be close to
the SupIRBuck, kept
away from noise
sources.
Use separate traces
for connecting Boot
cap and Rocset to the
switch node and with
the minimum length
traces. Avoid big
loops.
Fig. 26c. IRDC3840W demoboard layout
considerations – Mid Layer 1
Fig. 26d. IRDC3840W demoboard layout
considerations – Mid Layer 2
Feedback
trace should
be kept
away form
noise
sources
Fig. 26b. IRDC3840W demoboard layout
considerations – Bottom Layer



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