IR3897MTRPBF International Rectifier, IR3897MTRPBF Datasheet - Page 38

• Manufacturer Part Number: IR3897MTRPBF
• Description: 4A Highly Integrated Single-Input Voltage, Synchronous Buck Regulator in a PQFN package.
• Manufacturer: International Rectifier

Specifications of IR3897MTRPBF

• Part Status: Active and Preferred
• Package: PQFN / 4 x 5
• Circuit: Single Output
• Iout (a): 4
• Switch Freq (khz): 0 - 1500
• Input Range (v): 1.0 - 16
• Output Range (v): 0.5 - 12
• Pbf: PbF Option Available

Single point connection
between AGND & PGND,
should be close to the
SupIRBuck kept away from
noise sources
Analog Ground plane Power Ground plane
38
FEBRUARY 02, 2012 |DATA SHEET | Rev 3.2
Figure 46b: IRDC3897 Demo board Layout Considerations – Bottom Layer
Figure 46d: IRDC3897 Demo board Layout Considerations – Mid Layer 2
Figure 46c: IRDC3897 Demo board Layout Considerations – Mid Layer 1
Single‐Input Voltage, Synchronous Buck Regulator
- 38 -
4A Highly Integrated SupIRBuck
Feedback and Vsns trace
routing should be kept away
from noise sources
TM
IR3897
PD‐97663