ir3831 International Rectifier Corp., ir3831 Datasheet - Page 24

• Manufacturer Part Number: ir3831
• Description: Synchronous Buck Regulator For Ddr Applications
• Manufacturer: International Rectifier Corp.

IR3831MPbF
TYPICAL OPERATING WAVEFORMS
Vin=12V, Vcc=5V, Vo=0.75V, Room Temperature, No Air Flow
Fig. 23: Tracking -3A load, sinking
Fig. 22: Tracking 8A, sourcing
current, Ch
:V
, Ch
: I
,
current, Ch
:V
, Ch
:V
,
1
out
2
L
1
out
3
DDQ
Ch
:V
, Ch
:PGood
Ch
:PGood
3
DDQ
4
4
Fig. 24: Transient Response, 1A/us
-0.5A to +0.5A load , Ch
:V
, Ch
:I
1
out
4
o
24
02/20/09