IR3899MPBF IRF [International Rectifier], IR3899MPBF Datasheet - Page 12

• Manufacturer Part Number: IR3899MPBF
• Description: USER GUIDE FOR IR3899 EVALUATION BOARD
• Manufacturer: IRF [International Rectifier]

TYPICAL OPERATING WAVEFORMS
Vin=12.0V, Vo=1.2V, Io=0-9A, Room Temperature, no air flow
12/8/2011
90
88
86
84
82
80
78
76
1.8
1.6
1.4
1.2
0.8
0.6
0.4
0.2
1
0
0.9
0.9
1.8
1.8
Fig.18: Power loss versus load current
2.7
Fig.17: Efficiency versus load current
2.7
3.6
3.6
4.5
4.5
Iout(A)
Iout(A)
5.4
5.4
6.3
6.3
7.2
7.2
IRDC3899-P1V2
8.1
8.1
9
9
12