PRELIMINARY
Electrical Specifications
(continued)
Efficiency Graphs
Efficiency vs. Output Current
100
95
V鈥 Chip Pre-Regulator Module
Efficiency vs. Output Current
100
95
Efficiency (%)
Efficiency (%)
Vin
90
85
80
75
0.25 0.50 0.75 1.00 1.25 1.50 1.75 2.00 2.25 2.50
36V
48V
75V
90
85
80
75
70
0.25 0.50 0.75 1.00 1.25 1.50 1.75 2.00 2.25 2.50
Vin
26V
48V
75V
Output Current (A)
Figure 6
鈥?Efficiency vs. output current at 48 Vf
Output Current (A)
Figure 7
鈥?Efficiency vs. output current at 36 Vf
Efficiency vs. Output Current
100
95
Efficiency (%)
90
85
80
75
70
65
60
0.25 0.50 0.75 1.00 1.25 1.50 1.75 2.00 2.25 2.50
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
P048F048T12AL
Rev. 1.0
Page 5 of 14