IR3898MTRPBF International Rectifier, IR3898MTRPBF Datasheet - Page 33

• Manufacturer Part Number: IR3898MTRPBF
• Description: 6A Highly Integrated Single-Input Voltage, Synchronous Buck Regulator in a PQFN package.
• Manufacturer: International Rectifier

Specifications of IR3898MTRPBF

• Part Status: Active and Preferred
• Package: PQFN / 4 x 5
• Circuit: Single Output
• Iout (a): 6
• 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 = 0‐6A Room Temperature, No Air Flow
Figure 33: Inductor node at 6A Load, Ch3:LX
Figure 29: Start up at 6A Load,
Ch
Figure 31: Start up with 1V pre bias
0A Load Ch2:V
1
:V
33
in
, Ch
2
:V
FEBRUARY 02, 2012 | DATA SHEET | Rev 3.2
o
, Ch
3
:PGood, Ch
4
:Enable
Single‐Input Voltage, Synchronous Buck Regulator
o
- 33 -
6A Highly Integrated SupIRBuck
Figure 32: Output Voltage Ripple
Figure 34: Short circuit Recovery
Figure 30: Start up at 6A Load,
Ch
Ch2:Vout,Ch4:Iout(2A/Div)
1
:V
in
, Ch
6A Load Ch2:V
2
:V
o
, Ch
TM
3
:Vcc, Ch
4
:P
IR3898
Good
o
PD‐97662