IRDC3846-P1V2
Confidential
This evaluation board is a preliminary version meant for the engineering evaluation of the IR3846. Based on the results
of the continuing evaluation, this board can evolve and change without notice
AL
4/11/2013
11
Fig.12: Power loss versus load current
Fig.11: Efficiency versus load current
TYPICAL OPERATING WAVEFORMS
Vin=12.0V, Vo=1.2V, Io=0A-35A, Fsw=600kHz, Room Temperature, No air flow
71
73
75
77
79
81
83
85
87
89
91
0
5
10
15
20
25
30
35
Efficiency
[%
]
Io [A]
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
6.5
7.0
7.5
0
5
10
15
20
25
30
35
Pow
er Loss
[W]
Io [A]