VTM48EX020Y080B00 Datasheet, PDF (5/18 Pages) Vicor Corporation – High Efficiency, Sine Amplitude Converter

VTM48E x 020 y 080 B00
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 (cold)
Output resistance (ambient)
Output resistance (hot)
Output voltage ripple
V_OUT transient (positive)
V_OUT transient (negative)
SYMBOL
P_NL
h_AMB
hHOT
R_{OUT_COLD}
R_{OUT_AMB}
R_{OUT_HOT}
V_{OUT_PP}
V_{OUT_TRAN+}
V_{OUT_TRAN-}
CONDITIONS / NOTES
V_IN = 48 V, PC enabled
V_IN = 48 V, I_OUT = 80 A
V_IN = 48 V, I_OUT = 80 A, T_C = 100ºC
V_IN = 48 V, I_OUT = 80 A, T_C = -40ºC
V_IN = 48 V, I_OUT = 80 A
V_IN = 48 V, I_OUT = 80 A, T_C = 100ºC
C_OUT = 0 F, I_OUT = 80 A, V_IN = 48 V,
20 MHz BW, Section 12
I_{OUT_STEP} = 0 A TO 80A, V_IN = 48 V,
I_SLEW = 19 A /us
I_{OUT_STEP} = 80 A to 0 A, V_IN = 48 V
I_SLEW = 59 A /us
TYP
UNIT
4.4
W
92.1
%
91.7
%
0.8
mΩ
1.1
mΩ
1.4
mΩ
156
mV
30
mV
110
mV
No Load Power Dissipation vs. Line
11
9
7
5
3
1
26 29 32 35 38 41 43 46 49 52 55
T_CASE:
Input Voltage (V)
-40°C
25°C
Figure 1 — No load power dissipation vs. V_IN
100°C
Full Load Efficiency vs. Case Temperature
94
92
90
88
86
-40
-20
0
20
40
60
80
100
Case Temperature (°C)
V_IN :
26 V
48 V
55 V
Figure 2 — Full load efficiency vs. temperature
Efficiency & Power Dissipation -40°C Case
96
45
92
40
88
η
35
84
30
80
25
76
20
72
PD
15
68
10
64
5
60
0
0
8 16 24 32 40 48 56 64 72 80
Load Current (A)
V_IN:
26 V
48 V
55 V
26 V
48 V
55 V
Figure 3 — Efficiency and power dissipation at –40°C
Efficiency & Power Dissipation 25°C Case
96
28
92
24
88
η
20
84
16
80
12
76
PD
8
72
4
68
0
0
8 16 24 32 40 48 56 64 72 80
Load Current (A)
V_IN:
26 V
48 V
55 V
26 V
48 V
55 V
Figure 4 — Efficiency and power dissipation at 25°C
VTM^® Current Multiplier
Page 5 of 18
Rev 1.0
5/2013
vicorpower.com
800 735.6200