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VTM48E120025A00FM Datasheet(PDF) 5 Page - Vicor Corporation

No. de pieza VTM48E120025A00FM
Descripción Electrónicos  VTM Current Multiplier
PDF  18 Pages
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Fabricante Electrónico  VICOR [Vicor Corporation]
Página de inicio  http://www.vicorpower.com
Logo VICOR - Vicor Corporation

VTM48E120025A00FM Datasheet(HTML) 5 Page - Vicor Corporation

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Rev. 3.1
2/2011
Page 5 of 18
V•I CHIP CORP. (A VICOR COMPANY) 25 FRONTAGE RD. ANDOVER, MA 01810 800-735-6200
vicorpower.com
x 120
025A00
y
E
48
VTM
5.0 APPLICATION CHARACTERISTICS
The following values, typical of an application environment, are collected at TC = 25ºC unless otherwise noted. See associated figures
for general trend data.
ATTRIBUTE
SYMBOL
CONDITIONS / NOTES
TYP
UNIT
No load power dissipation
PNL
VIN = 48 V, PC enabled
5.1
W
Efficiency (ambient)
η
AMB
VIN = 48 V, IOUT = 25 A
96.0
%
Efficiency (hot)
ηHOT
VIN = 48 V, IOUT = 25 A, TC = 100ºC
95.6
%
Output resistance (cold)
ROUT_COLD
VIN = 48 V, IOUT = 25 A, TC = -40ºC
7.4
m
Ω
Output resistance (ambient)
ROUT_AMB
VIN = 48 V, IOUT = 25 A
9.4
m
Ω
Output resistance (hot)
ROUT_HOT
VIN = 48 V, IOUT = 25 A, TC = 100ºC
11.7
m
Ω
Output voltage ripple
VOUT_PP
COUT = 0 F, IOUT = 25 A, VIN = 48 V,
198
mV
20 MHz BW, Section 12
VOUT transient (positive)
VOUT_TRAN+
IOUT_STEP = 0 A TO 25A, VIN = 48 V,
650
mV
ISLEW = 23 A /us
VOUT transient (negative)
VOUT_TRAN-
IOUT_STEP = 25 A to 0 A, VIN = 48 V
310
mV
ISLEW = 91 A /us
1
3
5
7
9
11
26
29
32
35
38
41
43
46
49
52
55
No Load Power Dissipation vs. Line
Input Voltage (V)
-40°C
25°C
100°C
T
:
CASE
90
92
94
96
98
100
-40
-20
0
20
40
60
80
100
Full Load Efficiency vs. Case Temperature
Case Temperature (°C)
26 V
48 V
55 V
V :
IN
0
5
10
15
20
25
30
35
40
45
50
60
64
68
72
76
80
84
88
92
96
100
0.0
2.5
5.0
7.5
10.0 12.5 15.0 17.5 20.0 22.5 25.0
η
PD
Efficiency & Power Dissipation -40°C Case
Load Current (A)
26 V
48 V
55 V
V :
IN
26 V
48 V
55 V
η
PD
0
4
8
12
16
20
24
28
32
68
72
76
80
84
88
92
96
100
0.0
2.5
5.0
7.5
10.0
12.5
15.0
17.5
20.0
22.5
25.0
Efficiency & Power Dissipation 25°C Case
Load Current (A)
26 V
48 V
55 V
V :
IN
26 V
48 V
55 V
Figure 1 – No load power dissipation vs. VIN
Figure 2 – Full load efficiency vs. temperature
Figure 3 – Efficiency and power dissipation at –40°C
Figure 4 – Efficiency and power dissipation at 25°C



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