IR3899MTR1PBF International Rectifier, IR3899MTR1PBF Datasheet - Page 34
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
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