IR3897MTRPBF International Rectifier, IR3897MTRPBF Datasheet - Page 33
IR3897MTRPBF
Manufacturer Part Number
IR3897MTRPBF
Description
4A Highly Integrated Single-Input Voltage, Synchronous Buck Regulator in a PQFN package.
Manufacturer
International Rectifier
Datasheet
1.IR3897MTR1PBF.pdf
(42 pages)
Specifications of IR3897MTRPBF
Part Status
Active and Preferred
Package
PQFN / 4 x 5
Circuit
Single Output
Iout (a)
4
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:
IR3897MTRPBF
Manufacturer:
INFINEON
Quantity:
2 140
TYPICAL OPERATING WAVEFORMS
Vin = 12V, Vo = 1.2V, Iout = 0‐4A, Room Temperature, No Air Flow
Figure 33: Inductor node at 4A Load, Ch2‐LX
33
Ch
Figure 31: Start up with 1V pre bias,
0A Load, Ch
Figure 29: Start up at 4A Load,
FEBRUARY 02, 2012 |DATA SHEET | Rev 3.2
1
:V
in
, Ch
2
:V
o
, Ch
3
:PGood, Ch
2
:V
o
Single‐Input Voltage, Synchronous Buck Regulator
4
:Enable
- 33 -
4A Highly Integrated SupIRBuck
Ch
Figure 30: Start up at 4A Load,
Ch
Figure 32: Output Voltage Ripple
4A Load, Ch
Figure 34: Short Circuit Recovery,
1
:V
in
2
, Ch
:V
o
, Ch
2
:V
o
4
, Ch
:Iout(2A/Div)
TM
3
:PGood, Ch
2
:V
o
IR3897
4
:Vcc
PD‐97663