IR3897MTRPBF International Rectifier, IR3897MTRPBF Datasheet - Page 34

• Manufacturer Part Number: IR3897MTRPBF
• Description: 4A Highly Integrated Single-Input Voltage, Synchronous Buck Regulator in a PQFN package.
• Manufacturer: International Rectifier

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

TYPICAL OPERATING WAVEFORMS
Vin = 12V, Vo = 1.2V, Iout = 0‐4A, Room Temperature, No Air Flow
Figure 35: Turn on at No Load showing Vcc level,
Ch
1
34
:V
in
, Ch
2
FEBRUARY 02, 2012 |DATA SHEET | Rev 3.2
:V
o
, Ch
3
:Vcc, Ch
37: Transient Response, 2A to 4A step @2.5A/uSec slew rate,
4
:Inductor Current
Single‐Input Voltage, Synchronous Buck Regulator
Ch
2
:V
out
- 34 -
, Ch4‐Iout (1A/Div)
4A Highly Integrated SupIRBuck
Figure 36: Turn on at Full Load showing Vcc level,
Ch
1
:V
in
, Ch
2
:V
o
, Ch
3
:Vcc, Ch
TM
4
:Inductor Current
IR3897
PD‐97663