PRM48BH480T200B00 Datasheet, PDF (9/22 Pages) Vicor Corporation – High Efficiency Remote Sense PRM Converter

PRM48BH480T200B00
7.0 APPLICATIONS CHARACTERISTICS
The following figures present typical performance at T_C = 25º C, unless otherwise noted. See associated figures for general
trend data.
No Load Power Dissipation vs. Line
Module Enabled - Nominal V_OUT
6
5
4
3
2
1
0
38 40 42 44 46 48 50 52 54
Input Voltage [V]
T_CASE:
-40 ºC
25 ºC
100 ºC
Figure 1 - No load power dissipation vs. V_IN, module
enabled
Efficiency & Power Dissipation
V_OUT = 20 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 4 4.5
Load Current [A]
VIN:
38
45
55
38
45
55
Figure 3 – Total efficiency and power dissipation vs. V_IN and
I_OUT, V_OUT = 20 V, T_CASE = -40ºC
No Load Power Dissipation vs. Line
Module Disabled, PC=Low
1
0.8
0.6
0.4
0.2
0
38 40 42 44 46 48 50 52 54
Input Voltage [V]
T_CASE:
-40 ºC
25 ºC
100 ºC
Figure 2 - No load power dissipation vs. V_IN, module
disabled
Efficiency & Power Dissipation
V_OUT = 48 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 4 4.5
Load Current [A]
VIN:
38
45
55
38
45
55
Figure 4 – Total efficiency and power dissipation vs. V_IN and
I_OUT, V_OUT = 48 V, T_CASE = -40ºC
PRM® Regulator
Page 9 of 22
Rev 1.1
7/2015
vicorpower.com
800 927. 9474