IR3898MTRPBF International Rectifier, IR3898MTRPBF Datasheet - Page 36

• 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 40: Feed Forward for Vin change from 7‐16‐7V
Figure 42: External frequency synchronization to
800KHz from free running 600KHz, Ch
Figure 44: Voltage Margining using Vref pin
Ch
36
2
:V
o
, Ch
Ch2‐Vo,Ch
FEBRUARY 02, 2012 | DATA SHEET | Rev 3.2
3
:PGood, Ch
4
:Vin Ch1‐PGood,Ch2:Vout;Ch3‐EN.Ch4‐S‐Ctrl
4
:Vref
2
:V
o
, Ch
Single‐Input Voltage, Synchronous Buck Regulator
3
:LX, Ch
4
:Rt/Sync Voltage
- 36 -
6A Highly Integrated SupIRBuck
Figure 41: Start/Stop using S‐ctrl pin
Figure 45: Voltage tracking using Vp Pin
Ch
Figure 43: Over Voltage protection
Ch2‐Vo,Ch43‐PGood
1
:V
o
, Ch
3
:PGood, Ch
TM
4
:Vp
IR3898
PD‐97662