IRDC3822A International Rectifier, IRDC3822A Datasheet - Page 12

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

TYPICAL OPERATING WAVEFORMS
Vin=12V, Vo=1.8V, Io=0- 6A, Room Temperature, No Air Flow
Rev 0.0
02/22/2008
85
80
75
70
65
60
55
2.2
1.8
1.4
1.0
0.6
0.2
0.5
0.5
Power Loss Vin=Vcc=12V
1.0
1.0
Efficiency Vin=Vcc=12V
1.5
1.5
Fig.15: Efficiency versus load current
Fig.16: Power loss versus load current
2.0
2.0
2.5
2.5
Load Current (A)
Load Current (A)
3.0
3.0
3.5
Power Loss Vin=12V Vcc=5V
3.5
Efficiency Vin=12V Vcc=5V
4.0
4.0
4.5
4.5
5.0
5.0
5.5
5.5
IRDC3822A
6.0
6.0
12