IR3897 IRF [International Rectifier], IR3897 Datasheet - Page 42

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

PCB METAL AND COMPONENT PLACEMENT
Evaluations have shown that the best overall
performance is achieved using the substrate/PCB layout
as shown in following figures. PQFN devices should be
placed to an accuracy of 0.050mm on both X and Y axes.
Self‐centering behavior is highly dependent on solders
* Contact International Rectifier to receive an electronic PCB Library file in your preferred format
42
AUGUST 08, 2012 |DATA SHEET | Rev 3.3
Figure 50: PCB Metal Pad Spacing (all dimensions in mm)
Single‐Input Voltage, Synchronous Buck Regulator
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4A Highly Integrated SupIRBuck
and processes, and experiments should be run to confirm
the limits of self‐centering on specific processes.
For further information, please refer to “SupIRBuck™
Multi‐Chip Module (MCM) Power Quad Flat No‐Lead
(PQFN) Board Mounting Application Note.” (AN1132)
TM
IR3897
PD‐97663