IRDC3822A International Rectifier, IRDC3822A Datasheet - Page 9

• Manufacturer Part Number: IRDC3822A
• Description: BOARD EVAL SYNC BUCK CONVERTER
• Manufacturer: International Rectifier

TYPICAL OPERATING WAVEFORMS
Vin=Vcc=12.0V, Vo=1.8V, Io=0- 6A, Room Temperature, No Air Flow
Rev 0.0
02/22/2008
Fig. 9: Start up with 0.5V Pre Bias, 0A
Ch
Load, Ch
Fig. 11: Inductor node at 6A load
1
:V
Fig. 7: Start up at 6A Load
in
, Ch
Ch
1
2
:V
:V
1
in
SS
:LX, Ch
, Ch
, Ch
2
:V
3
:V
4
SS
:I
out
out
, Ch
, Ch
3
:V
4
:I
out
out
Fig. 10: Output Voltage Ripple, 6A load
Ch
Fig. 12: Short (Hiccup) Recovery
1
:V
Fig. 8: Start up at 6A Load,
in
, Ch
Ch
Ch
2
1
1
:V
:V
: V
SS
SS
out ,
, Ch
, Ch
Ch
3
IRDC3822A
2
:V
4
:V
: I
out
out
out
, Ch
4
:V
PGood
9