IR3897 IRF [International Rectifier], IR3897 Datasheet - Page 37

• Manufacturer Part Number: IR3897
• Description: 4A HIGHLY INTEGRATED SUPLRBUCK
• Manufacturer: IRF [International Rectifier]

TYPICAL OPERATING WAVEFORMS
Vin = 12V, Vo = 1.2V, Iout = 0‐4A, Room Temperature, No Air Flow
Figure 38: Turn on at No Load showing Vcc level,
Ch
1
37
:V
in
, Ch
2
AUGUST 08, 2012 |DATA SHEET | Rev 3.3
:V
o
, Ch
3
:Vcc, Ch
40: Transient Response, 2A to 4A step @2.5A/uSec slew rate,
4
:Inductor Current
Single‐Input Voltage, Synchronous Buck Regulator
Ch
2
:V
out
- 37 -
, Ch4‐Iout (1A/Div)
4A Highly Integrated SupIRBuck
Figure 39: 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