PRELIMINARY
Electrical Specifications
(continued)
Output Waveforms
V•I Chip Pre-Regulator Module
98
96
94
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
Output Current (A)
36Vin
48Vin
75Vin
98
96
94
92
90
88
86
84
82
80
78
76
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
Output Current (A)
Efficiency (%)
Efficiency (%)
36Vin
48Vin
75Vin
Figure 8
— Efficiency vs. output current at 36 Vf
Figure 9
— Efficiency vs. output current at 26 Vf
Figure 10
— Transient response; PRM alone, 48 Vin, 0 A - 5 A, -0 A
no load capacitance. Local Loop
Figure 11
— Transient response; load change from 10 – 40 – 10 A, at
the output of a K=1/24 VTM with no Vf bus capacitance and 100 µF
load capacitance.
Figure 12
— Transient response; load change from 40 – 80 – 40 A,
at the output of a K=1/24 VTM with no Vf bus capacitance and 100 µF
load capacitance.
vicorpower.com
800-735-6200
V•I Chip Pre-Regulator Module
P048K048T24AL
Rev. 1.4
Page 5 of 15
VICOR [ VICOR CORPORATION ]
