PRM48BH480T250A00 Datasheet, PDF (20/44 Pages) Vicor Corporation – PRM™ Regulator

PRM48BH480 X 250A00
TYPICAL PERFORMANCE CHARACTERISTICS
The following figures present typical performance at T_C = 25ºC, unless otherwise noted.
DC Safe Operating Area
6.0
300
Current
5.0
250
4.0
200
Power
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
12
95
10
90
8
85
6
80
4
75
2
70
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 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
38
40
42
44
46
48
50
52
54
56
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
12
95
10
90
8
85
6
80
4
75
2
70
0
0.75
1.5
VIN: 38 V
2.25
3
Load Current [A]
VIN: 48 V
3.75
4.5
VIN: 55 V
0
5.25
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
0.9
0.8
0.7
0.6
0.5
0.4
38
40
42
44
46
48
50
52
54
56
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
14
95
12
90
10
85
8
80
6
75
4
70
2
65
0
0.75
1.5
2.25
3
Load Current [A]
VIN: 38 V
VIN: 48 V
3.75
4.5
VIN: 55 V
0
5.25
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