IR3899MTRPBF International Rectifier, IR3899MTRPBF Datasheet - Page 35

• Manufacturer Part Number: IR3899MTRPBF
• Description: 9A Highly Integrated Single-Input Voltage, Synchronous Buck Regulator in a PQFN package.
• Manufacturer: International Rectifier

Specifications of IR3899MTRPBF

• Part Status: Active and Preferred
• Package: PQFN / 4 x 5
• Circuit: Single Output
• Iout (a): 9
• Switch Freq (khz): 0 - 1500
• Input Range (v): 1.0 - 16
• Output Range (v): 0.5 - 12
• Pbf: PbF Option Available

PD‐97661
TM
9A Highly Integrated SupIRBuck
IR3899
Single‐Input Voltage, Synchronous Buck Regulator
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TYPICAL OPERATING WAVEFORMS
Vin = 12V, Vo = 1.2V, Iout = 0‐9A, Room Temperature, No Air Flow
Figure 38: Bode Plot at 9A load shows a bandwidth of 115.6KHz and phase margin of 50.3 degrees
Figure 39: Thermal Image of the Board at 9A Load,
Test Point 1 is IR3899,
Test Point 2 is inductor
FEBRUARY 02, 2012 |DATA SHEET | 3.3
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