IR3898MTRPBF International Rectifier, IR3898MTRPBF Datasheet - Page 36
IR3898MTRPBF
Manufacturer Part Number
IR3898MTRPBF
Description
6A Highly Integrated Single-Input Voltage, Synchronous Buck Regulator in a PQFN package.
Manufacturer
International Rectifier
Datasheet
1.IR3898MTR1PBF.pdf
(42 pages)
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
IR3898MTRPBF
Manufacturer:
IOR
Quantity:
30
Part Number:
IR3898MTRPBF
Manufacturer:
IR
Quantity:
20 000
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