VTM48EH040_025A00 Datasheet, PDF (6/16 Pages) Vicor Corporation – VTM™Current Multiplier

VTM48EH040 x 025A00
Efficiency & Power Dissipation 100°C Case
95
14
90
η
12
85
10
80
8
75
PD
6
70
4
65
2
60
0 2.5
V_IN:
26 V
0
5 7.5 10 12.5 15 17.5 20 22.5 25
Output Current (A)
42 V
55 V
26 V
42 V
55 V
Figure 5 — Efficiency and power dissipation at 100°C
Ripple vs. Load
250
225
200
175
150
125
100
0 2.5 5 7.5 10 12.5 15 17.5 20 22.5 25
Load Current (A)
V _IN :
42 V
Figure 7 — V_RIPPLE vs. I_OUT ; No external C_OUT.
Board mounted module, scope setting : 20 MHz analog BW
IM Voltage vs. Load 25°C Case
1.75
1.5
1.25
1
0.75
0.5
0.25
0
0
2.5 5 7.5 10 12.5 15 17.5 20 22.5 25
Load Current (A)
V_IN :
26 V
42 V
55 V
Figure 9 — IM voltage vs. load
R_OUT vs. T_CASE at V_IN = 42 V
8
7.5
7
6.5
6
5.5
5
4.5
4
-40
-20
0
20
40
60
Case Temperature (C)
I_OUT :
12 A
25 A
80
100
Figure 6 — R_OUT vs. temperature
IM Voltage vs. Load at V_IN = 42 V
2
1.75
1.5
1.25
1
0.75
0.5
0.25
0
0 2.5 5 7.5 10 12.5 15 17.5 20 22.5 25
T_CASE:
Load Current (A)
-40ºC
25ºC
100ºC
Figure 8 — IM voltage vs. load
IM Voltage vs. T_CASE & Line
2
1.75
1.5
1.25
1
-40
-20
0
20
40
T_CASE (°C)
V_IN
26 V
48 V
Figure 10 — Full load IM voltage vs. TCASE
60
80
100
55 V
v i c o r p o w e r. c o m
V•I CHIP CORP. (A VICOR COMPANY) 25 FRONTAGE RD. ANDOVER, MA 01810 800-735-6200
Rev. 2.0
5/2011
Page 6 of 16