PRM48DH480T250A03 Datasheet, PDF (10/23 Pages) Vicor Corporation – Building block for high efficiency DC-DC systems

Efficiency & Power Dissipation
V_OUT = 55 V T_CASE = -40 ºC
98
16
96
94
14
92
90
12
88
86
10
84
82
8
80
78
6
76
74
4
72
70
2
0
0.5
1
1.5
2
2.5
3
3.5
Load Current [A]
V_IN:
38
48
60
38
48
60
Figure 5 – Total efficiency and power dissipation vs. VIN and
IOUT, VOUT = 55V, TCASE = -40ºC
Efficiency & Power Dissipation
V_OUT = 48 V T_CASE = 25 ºC
98
16
96
94
14
92
90
12
88
86
10
84
82
8
80
78
6
76
74
4
72
70
2
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5
Load Current [A]
V_IN:
38
48
60
38
48
60
Figure 7 – Total efficiency and power dissipation vs. VIN and
IOUT, VOUT = 48V, TCASE = 25ºC
Efficiency & Power Dissipation
V_OUT = 20 V T_CASE = 100 ºC
98
18
96
94
16
92
90
14
88
86
12
84
82
10
80
78
8
76
74
6
72
70
4
68
66
2
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5
Load Current [A]
V_IN:
38
48
60
38
48
60
Figure 9 – Total efficiency and power dissipation vs. VIN and
IOUT, VOUT = 20V, TCASE = 100ºC
PRM48DH480T250A03
98
96
94
92
90
88
86
84
82
80
78
76
74
72
70
68
66
0
Efficiency & Power Dissipation
V_OUT = 20 V T_CASE = 25 ºC
0.5 1 1.5 2 2.5 3 3.5 4
Load Current [A]
18
16
14
12
10
8
6
4
2
4.5
V_IN:
38
48
60
38
48
60
Figure 6 – Total efficiency and power dissipation vs. VIN and
IOUT, VOUT = 20V, TCASE = 25ºC
Efficiency & Power Dissipation
V_OUT = 55 V T_CASE = 25 ºC
98
16
96
94
14
92
90
12
88
86
10
84
82
8
80
78
6
76
74
4
72
70
2
0
0.5
1
1.5
2
2.5
3
3.5
Load Current [A]
V_IN:
38
48
60
38
48
60
Figure 8 – Total efficiency and power dissipation vs. VIN and
IOUT, VOUT = 55V, TCASE = 25ºC
Efficiency & Power Dissipation
V_OUT = 48 V T_CASE = 100 ºC
98
16
96
94
14
92
90
12
88
86
10
84
82
8
80
78
6
76
74
4
72
70
2
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5
Load Current [A]
V_IN:
38
48
60
38
48
60
Figure 10 – Total efficiency and power dissipation vs. VIN
and IOUT, VOUT = 48V, TCASE = 100ºC
PRM^® Regulator  
 
Rev 1.4  
 
vicorpower.com  
Page 10 of 23    
 
12/2012    
 
800 735.6200