IR3899MTR1PBF International Rectifier, IR3899MTR1PBF Datasheet - Page 35
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IR3899MTR1PBF
Manufacturer Part Number
IR3899MTR1PBF
Description
9A Highly Integrated Single-Input Voltage, Synchronous Buck Regulator in a PQFN package.
Manufacturer
International Rectifier
Datasheet
1.IR3899MTR1PBF.pdf
(42 pages)
Specifications of IR3899MTR1PBF
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
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PD‐97661
TM
9A Highly Integrated SupIRBuck
IR3899
Single‐Input Voltage, Synchronous Buck Regulator
- 35 -
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
35
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