VTM48EH040_025A00 Datasheet, PDF (5/16 Pages) Vicor Corporation – VTM™Current Multiplier

VTM48EH040 x 025A00
5.0 APPLICATION CHARACTERISTICS
The following values, typical of an application environment, are collected at T_C = 25ºC unless otherwise noted. See associated figures
for general trend data.
ATTRIBUTE
No load power dissipation
Efficiency (ambient)
Efficiency (hot)
Output resistance (ambient)
Output resistance (hot)
Output resistance (cold)
Output voltage ripple
V_OUT Transient (positive)
V_OUT Transient (negative)
SYMBOL
P_NL
η_AMB
ηHOT
R_{OUT_AMB}
R_{OUT_HOT}
R_{OUT_COLD}
V_{OUT_PP}
V_{OUT_TRAN+}
V_{OUT_TRAN-}
CONDITIONS / NOTES
V_IN = 42 V
V_IN = 42 V, I_OUT = 25 A
V_IN = 42 V, I_OUT = 25 A, T_C = 100ºC
V_IN = 42 V, I_OUT = 25 A
V_IN = 42 V, I_OUT = 25 A, T_C = 100ºC
V_IN = 42 V, I_OUT = 25 A, T_C = -40ºC
C_OUT = 0 F, I_OUT = 25 A, V_IN = 42 V,
20 MHz BW, Section 12
I_{OUT_STEP} = 0 A TO 25A, V_IN = 42 V,
I_SLEW > 10 A /us
I_{OUT_STEP} = 25 A to 0 A, V_IN = 42 V
I_SLEW > 10 A /us
TYP
UNIT
2.5
W
92.3
%
91.4
%
6.3
mΩ
7.7
mΩ
5.5
mΩ
229
mV
175
mV
175
mV
No Load Power Dissipation vs. Line
6
5
4
3
2
1
26 29 32 36 39 42 45 49 52 55
Input Voltage (V)
T_CASE:
-40°C
25°C
100°C
Figure 1 — No load power dissipation vs. V_IN
Full Load Efficiency vs. Case Temperature
94
93
92
91
90
89
88
87
-40
-20
0
20
40
60
80
100
Case Temperature (°C)
V_IN :
26 V
42 V
55 V
Figure 2 — Full load efficiency vs. temperature
Efficiency & Power Dissipation -40°C Case
95
16
90
14
85
η
12
80
10
75
PD
8
70
6
65
4
60
2
55
0
0 2.5 5 7.5 10 12.5 15 17.5 20 22.5 25
Output Current (A)
V_IN:
26 V
42 V
55 V
26 V
42 V
55 V
Figure 3 — Efficiency and power dissipation at –40°C
Efficiency & Power Dissipation 25°C Case
95
14
90
η
12
85
10
80
8
75
PD
6
70
4
65
60
0 2.5 5
V_IN:
26 V
2
0
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 4 — Efficiency and power dissipation at 25°C
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 5 of 16