PRM48BH480T250A00 Datasheet, PDF (21/44 Pages) Vicor Corporation – PRM™ Regulator

Efficiency & Power Dissipation
VOUT = 48 V TCASE =-40 °C
98
14
96
12
94
10
92
8
90
6
88
4
86
2
84
0
0
0.75
1.5
2.25
3
3.75
4.5
5.25
Load Current [A]
VIN: 38 V
VIN: 48 V
VIN: 55 V
Figure 7: Total efficiency and power dissipation vs. V_IN and I_OUT
V_OUT = 48 V, T_CASE = -40 °C
Efficiency & Power Dissipation
VOUT = 48 V TCASE =25 °C
98
14
96
12
94
10
92
8
90
6
88
4
86
2
84
0
0
0.75
1.5
2.25
3
3.75
4.5
5.25
Load Current [A]
VIN: 38 V
VIN: 48 V
VIN: 55 V
Figure 8: Total efficiency and power dissipation vs. V_IN and I_OUT
V_OUT = 48 V, T_CASE = 25 °C
Efficiency & Power Dissipation
VOUT = 48 V TCASE =100 °C
98
14
96
12
94
10
92
8
90
6
88
4
86
2
84
0
0
0.75
1.5
2.25
3
3.75
4.5
5.25
Load Current [A]
VIN: 38 V
VIN: 48 V
VIN: 55 V
Figure 9: Total efficiency and power dissipation vs. V_IN and I_OUT
V_OUT = 48 V, T_CASE = 100 °C
PRM48BH480 X 250A00
Efficiency & Power Dissipation
VOUT = 55 V TCASE =-40 °C
98
20
96
18
94
16
92
14
90
12
88
10
86
8
84
6
82
4
80
2
78
0
0
0.75
1.5
2.25
3
3.75
4.5
5.25
Load Current [A]
VIN: 38 V
VIN: 48 V
VIN: 55 V
Figure 10: Total efficiency and power dissipation vs. V_IN and I_OUT
V_OUT = 55 V, T_CASE =-40 °C
Efficiency & Power Dissipation
VOUT = 55 V TCASE =25 °C
98
20
96
18
94
16
92
14
90
12
88
10
86
8
84
6
82
4
80
2
78
0
0
0.75
1.5
2.25
3
3.75
4.5
5.25
Load Current [A]
VIN: 38 V
VIN: 48 V
VIN: 55 V
Figure 11: Total efficiency and power dissipation vs. V_IN and I_OUT
V_OUT = 55 V, T_CASE = 25 °C
Efficiency & Power Dissipation
VOUT = 55 V TCASE =100 °C
98
20
96
18
94
16
92
14
90
12
88
10
86
8
84
6
82
4
80
2
78
0
0
0.75
1.5
2.25
3
3.75
4.5
5.25
Load Current [A]
VIN: 38 V
VIN: 48 V
VIN: 55 V
Figure 12: Total efficiency and power dissipation vs. V_IN and I_OUT
V_OUT = 55 V, T_CASE =100 °C
- 21 -
Rev. 1.0
11/2012