PRM48AY480X400A00 Datasheet, PDF (26/44 Pages) Vicor Corporation – High Efficiency Converter

PRM48Ay480x400A00
Typical Performance Characteristics (cont.)
The following figures present typical performance at T_C = 25ºC, unless otherwise noted. See associated figures for general trend data.
DC Modulator Gain and Powertrain Equivalent
Resistance vs. Output Current - V_OUT = 20 V
15
150
12.5
10
125
G_CN
(dB)
100
7.5
75
5
50
2.5
0
0
1
2
V_IN: 36 V
3
4
5
6
Load Current (A)
V_IN: 48 V
R_eq
25
(Ω)
0
7
8
9
V_IN: 75 V
Figure 18 — Powertrain Characteristics vs. I_OUT, V_IN
Resistive Load, V_OUT = 20.0 V
Powertrain Equivalent Input
100 ^{Resistance vs. Output Current - VOUT = 20 V}
90
80
70
60
50
40
30
20
10
0
0
1
2
3
4
5
6
7
8
9
Load Current (A)
V_IN: 36 V
V_IN: 48 V
V_IN: 75 V
Figure 21 — Magnitude of powertrain dynamic input impedance vs. I_OUT;
V_IN; V_OUT = 20.0 V
DC Modulator Gain and Powertrain Equivalent
10
Resistance
vs.
Output
Current
-
V_OUT
=
48
V
300
7.5
G_CN
250
(dB)
5
200
2.5
150
0
100
-2.5
-5
0
1
2
V_IN: 36 V
3
4
5
6
Load Current (A)
V_IN: 48 V
R_eq
50
(Ω)
0
7
8
9
V_IN: 75 V
Figure 19 — Powertrain Characteristics vs. I_OUT, V_IN Resistive Load,
V_OUT = 48.0 V
Powertrain Equivalent Input
Resistance vs. Output Current - V_OUT = 48 V
40
35
30
25
20
15
10
5
0
0
1
2
3
4
5
6
7
8
9
Load Current (A)
V_IN: 36 V
V_IN: 48 V
V_IN: 75 V
Figure 22 — Magnitude of powertrain dynamic input impedance vs. I_OUT;
V_IN; V_OUT = 48.0 V
DC Modulator Gain and Powertrain Equivalent
Resistance vs. Output Current - V_OUT = 55 V
10
300
7.5
250
G_CN
5
(dB)
200
2.5
150
0
100
-2.5
-5
0
1
2
V_IN: 36 V
3
4
5
Load Current (A)
V_IN: 48 V
R_eq
50
(Ω)
0
6
7
8
V_IN: 75 V
Figure 20 — Powertrain Characteristics vs. I_OUT, V_IN Resistive Load,
V_OUT = 55.0 V
PRM^TM Regulator
Page 26 of 44
Rev 1.4
11/2015
Powertrain Equivalent Input
40 ^{Resistance vs. Output Current - VOUT = 55 V}
35
30
25
20
15
10
5
0
0
1
2
3
4
5
6
7
8
Load Current (A)
V_IN: 36 V
V_IN: 48 V
V_IN: 75 V
Figure 23 — Magnitude of powertrain dynamic input impedance vs. I_OUT;
V_IN; V_OUT = 55.0 V
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