IRDC3710-QFN Datasheet, PDF (10/13 Pages) International Rectifier – USER GUIDE FOR IRDC3710-QFN EVALUATION BOARD

IRDC3710-QFN
TYPICAL OPERATING WAVEFORMS
Vin=12V, PVcc=5.0V, Vcc=3.3V, Vo=1.1V, Io=0- 20A, , Room Temperature, No Air Flow
92
90
88
86
84
82
80
78
76
74
0
4
8
12
16
Iout(A)
Eff 12V Input CP ON
Power Loss 12V Input CP ON
Eff 12V input CP OFF
Power Loss 12V Input CP OFF
5
4.5
4
3.5
3
2.5
2
1.5
1
0.5
0
20
Figure 15: Typical Efficiency and Power Loss at Vin-12V
90
80
70
60
50
40
0
4
8
12
16
Eff 19V Input CP ON
Iout(A^E) ^{ff 8V Input CP ON}
Power Loss 19V Input CP ON
Power Loss 8V Input CP ON
5
4.5
4
3.5
3
2.5
2
1.5
1
0.5
0
20
Figure 16: Typical Efficiency and Power Loss at Vin=8V and 19V
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