IR3899MTRPBF International Rectifier, IR3899MTRPBF Datasheet - Page 34

• 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

TYPICAL OPERATING WAVEFORMS
Vin = 12V, Vo = 1.2V, Iout = 0‐9A, Room Temperature, No Air Flow
Figure 35: Turn on at No Load showing Vcc level
Ch1:Vin, Ch2:Vout, Ch3:Vcc, Ch4:Inductor current
34
FEBRUARY 02, 2012 |DATA SHEET | 3.3
37: Transient Response, 4.5A to 9A step at 2.5A/uSec slew rate,
Single‐Input Voltage, Synchronous Buck Regulator
Ch
2
:V
out
- 34 -
, Ch4‐Iout (5A/Div)
9A Highly Integrated SupIRBuck
Figure 36: Turn on at Full Load showing Vcc level
Ch1:Vin, Ch2:Vout, Ch3:Vcc, Ch4:Inductor current
TM
IR3899
PD‐97661