IR3899MTRPBF International Rectifier, IR3899MTRPBF Datasheet - Page 33
IR3899MTRPBF
Manufacturer Part Number
IR3899MTRPBF
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 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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
IR3899MTRPBF
Manufacturer:
ALTERA
Quantity:
301
Part Number:
IR3899MTRPBF
Manufacturer:
IR
Quantity:
20 000
TYPICAL OPERATING WAVEFORMS
Vin = 12V, Vo = 1.2V, Iout = 0‐9A, Room Temperature, No Air Flow
Figure 33: Inductor node at 9A load, Ch
33
Figure 31: Start up with 1V Pre Bias,
Ch
Figure 29: Start up at 9A Load,
1
:V
in
FEBRUARY 02, 2012 |DATA SHEET | 3.3
, Ch
0A Load, Ch
2
:V
o
, Ch
3
:P
Good
2
:V
Ch
o
Single‐Input Voltage, Synchronous Buck Regulator
4
:Enable
2
:LX
- 33 -
9A Highly Integrated SupIRBuck
Figure 32: Output Voltage Ripple,
Figure 34: Short Circuit Recovery,
Ch
Figure 30: Start up at 9A Load,
1
Ch2‐Vout, Ch4:Iout (5A/Div)
:V
in
, Ch
9A Load, Ch
2
:V
o
, Ch
3
TM
:Vcc, Ch
2
:Vout
4
:P
IR3899
Good
PD‐97661