PRM48DH480T250B03 Datasheet, PDF (10/22 Pages) Vicor Corporation – Building block for high efficiency DC-DC systems

PRM48DH480T250B03
Efficiency & Power Dissipation
98
96
94
92
90
88
86
84
82
80
78
76
74
72
70
0
V_OUT = 55 V T_CASE = -40 ºC
0.5
1
1.5
2
2.5
3
16
14
12
10
8
6
4
2
3.5
Load Current [A]
V_IN:
38
48
60
38
48
60
Figure 5 – Total efficiency and power dissipation vs. V_IN and
I_OUT, V_OUT = 55V, T_CASE = -40ºC
Efficiency & Power Dissipation
98
96
94
92
90
88
86
84
82
80
78
76
74
72
70
0
V_OUT = 48 V
0.5 1 1.5 2
T_CASE = 25 ºC
2.5 3 3.5 4
16
14
12
10
8
6
4
2
4.5
Load Current [A]
V_IN:
38
48
60
38
48
60
Figure 7 – Total efficiency and power dissipation vs. V_IN and
I_OUT, V_OUT = 48V, T_CASE = 25ºC
Efficiency & Power Dissipation
98
96
94
92
90
88
86
84
82
80
78
76
74
72
70
68
66
0
V_OUT = 20 V T_CASE = 100 ºC
0.5 1 1.5 2 2.5 3 3.5 4
18
16
14
12
10
8
6
4
2
4.5
Load Current [A]
V_IN:
38
48
60
38
48
60
Figure 9 – Total efficiency and power dissipation vs. V_IN and
I_OUT, V_OUT = 20V, T_CASE = 100ºC
Efficiency & Power Dissipation
98
96
94
92
90
88
86
84
82
80
78
76
74
72
70
68
66
0
V_OUT = 20 V
0.5 1 1.5 2
T_CASE = 25 ºC
2.5 3 3.5 4
18
16
14
12
10
8
6
4
2
4.5
Load Current [A]
V_IN:
38
48
60
38
48
60
Figure 6 – Total efficiency and power dissipation vs. V_IN and
I_OUT, V_OUT = 20V, T_CASE = 25ºC
Efficiency & Power Dissipation
98
96
94
92
90
88
86
84
82
80
78
76
74
72
70
0
V_OUT = 55 V T_CASE = 25 ºC
0.5
1
1.5
2
2.5
3
16
14
12
10
8
6
4
2
3.5
Load Current [A]
V_IN:
38
48
60
38
48
60
Figure 8 – Total efficiency and power dissipation vs. V_IN and
I_OUT, V_OUT = 55V, T_CASE = 25ºC
Efficiency & Power Dissipation
98
96
94
92
90
88
86
84
82
80
78
76
74
72
70
0
V_OUT = 48 V T_CASE = 100 ºC
0.5 1 1.5 2 2.5 3 3.5 4
16
14
12
10
8
6
4
2
4.5
Load Current [A]
V_IN:
38
48
60
38
48
60
Figure 10 – Total efficiency and power dissipation vs. V_IN
and I_OUT, V_OUT = 48V, T_CASE = 100ºC
PRM^® Regulator
Page 10 of 23
Rev 1.2
7/2015
vicorpower.com
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