PRM48BF480T500A00 Datasheet, PDF (21/45 Pages) Vicor Corporation – PRM™ Regulator

Efficiency & Power Dissipation
VOUT = 48 V TCASE =-40 °C
98
18
97
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96
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95
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94
10
93
8
92
6
91
4
0
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3
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7
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11
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
18
97
16
96
14
95
12
94
10
93
8
92
6
91
4
0
1
2
3
4
5
6
7
8
9
10
11
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
18
97
16
96
14
95
12
94
10
93
8
92
6
91
4
0
1
2
3
4
5
6
7
8
9
10
11
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
PRM48B x 480 y 500A00
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
0
1
2
3
4
5
6
7
8
9
10 11
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
18
96
16
94
14
92
12
90
10
88
8
86
6
84
4
0
1
2
3
4
5
6
7
8
9
10
11
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
18
96
16
94
14
92
12
90
10
88
8
86
6
84
4
0
1
2
3
4
5
6
7
8
9
10
11
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