PRM48AF480T400A00 Datasheet, PDF (20/45 Pages) Vicor Corporation – PRM™ Regulator

PRM48A x 480 y 400A00
TYPICAL PERFORMANCE CHARACTERISTICS
The following figures present typical performance at T_C = 25ºC, unless otherwise noted.
DC Safe Operating Area
9.0
450
Current
8.0
400
7.0
350
6.0
Power
300
5.0
250
4.0
200
3.0
150
2.0
100
1.0
50
0.0
0
20
25
30
35
40
45
50
55
60
Output Voltage [V]
Current
Power
Figure 1: DC Safe Operating Area (SOA)
Efficiency & Power Dissipation
VOUT = 20 V TCASE =-40 °C
100
16
95
14
90
12
85
10
80
8
75
6
70
4
65
2
60
0
0
1
2
3
4
5
6
7
8
9
Load Current [A]
VIN: 36 V
VIN: 48 V
VIN: 75 V
Figure 4: Total efficiency and power dissipation vs. V_IN and I_OUT
V_OUT = 20 V, T_CASE = -40 °C
No Load Power Dissipation vs. Line
4
Module Enabled - 48 Vout
3.5
3
2.5
2
1.5
1
36
40
44
48
52
56
60
64
68
72
76
Input Voltage [V]
TCASE: ‐40°C
TCASE: 25°C
TCASE: 100°C
Figure 2: No Load Power Dissipation vs. V_IN, module enabled
Efficiency & Power Dissipation
VOUT = 20 V TCASE =25 °C
100
16
95
14
90
12
85
10
80
8
75
6
70
4
65
2
60
0
0
1
2
3
4
5
6
7
8
9
Load Current [A]
VIN: 36 V
VIN: 48 V
VIN: 75 V
Figure 5: Total efficiency and power dissipation vs. V_IN and I_OUT
V_OUT = 20 V, T_CASE = 25 °C
No Load Power Dissipation vs. Line
Module Disabled - ENABLE = Low
1.4
1.2
1
0.8
0.6
0.4
36
40
44
48
52
56
60
64
68
72
76
Input Voltage [V]
TCASE: ‐40°C
TCASE: 25°C
TCASE: 100°C
Figure 3: No Load Power Dissipation vs. V_IN, module disabled
Efficiency & Power Dissipation
VOUT = 20 V TCASE =100 °C
100
18
95
16
90
14
85
12
80
10
75
8
70
6
65
4
60
2
55
0
0
1
2
3
4
5
6
7
8
9
Load Current [A]
VIN: 36 V
VIN: 48 V
VIN: 75 V
Figure 6: Total efficiency and power dissipation vs. V_IN and I_OUT
V_OUT = 20 V, T_CASE = 100 °C
- 20 -
Rev. 1.0
11/2012