PRELIMINARY
Electrical Specifications
(continued)
Efficiency Graphs
Efficiency vs. Output Current
98
96
94
92
98
96
94
V鈥 Chip Pre-Regulator Module
Efficiency vs. Output Current
Efficiency (%)
90
88
86
84
82
80
78
0.5
1.1
1.5
2.0
2.5
3.0
3.5
4.0
4.6
5.0
36V
48V
75V
Efficiency (%)
Vin
92
90
88
86
84
82
80
78
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
Vin
36V
48V
75V
Output Current (A)
Output Current (A)
Figure 6
鈥?Efficiency vs. output current at 48 Vf
Figure 7
鈥?Efficiency vs. output current at 36 Vf
Efficiency vs. Output Current
98
96
94
Efficiency (%)
92
90
88
86
84
82
80
78
0.5
1.0
1.6
2.0
2.5
3.0
3.5
4.0
4.6
5.0
Vin
36V
48V
75V
Output Current (A)
Figure 8
鈥?Efficiency vs. output current at 26 Vf
vicorpower.com
800-735-6200
V鈥 Chip Pre-Regulator Module
P048F048T24AL
Rev. 1.7
Page 5 of 14