IR3897MTRPBF International Rectifier, IR3897MTRPBF Datasheet - Page 35

• 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

TYPICAL OPERATING WAVEFORMS
Vin = 12V, Vo = 1.2V, Iout = 0‐4A, Room Temperature, No Air Flow
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Figure 38: Bode Plot at 4A load shows a bandwidth of 112.6KHz and phase margin of 52.4 degrees
FEBRUARY 02, 2012 |DATA SHEET | Rev 3.2
Single‐Input Voltage, Synchronous Buck Regulator
Figure 39: Thermal Image of the Board at 4A Load,
Test Point 2 is inductor
Test Point 1 is IR3897,
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4A Highly Integrated SupIRBuck
TM
IR3897
PD‐97663