IR3897 IRF [International Rectifier], IR3897 Datasheet - Page 41

• Manufacturer Part Number: IR3897
• Description: 4A HIGHLY INTEGRATED SUPLRBUCK
• Manufacturer: IRF [International Rectifier]

Single point connection
between AGND & PGND,
should be close to the
SupIRBuck kept away from
noise sources
Analog Ground plane Power Ground plane
41
AUGUST 08, 2012 |DATA SHEET | Rev 3.3
Figure 49b: IRDC3897 Demo board Layout Considerations – Bottom Layer
Figure 49d: IRDC3897 Demo board Layout Considerations – Mid Layer 2
Figure 49c: IRDC3897 Demo board Layout Considerations – Mid Layer 1
Single‐Input Voltage, Synchronous Buck Regulator
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4A Highly Integrated SupIRBuck
Feedback and Vsns trace
routing should be kept away
from noise sources
TM
IR3897
PD‐97663