PRM48AH480X200A00 Datasheet, PDF (25/42 Pages) Vicor Corporation – Pin selectable operating mode

PRM48AH480x200A00
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
8
Resistance
vs.
Output
Current
-
V_OUT
=
20
V
120
6
100
G_CN
4
(dB)
80
2
60
0
40
-2
(RΩ^e)^q
20
-4
0
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5
Load Current (A)
V_IN: 36 V
V_IN: 48 V
V_IN: 75 V
Figure 18 — Powertrain Characteristics vs. I_OUT, V_IN
Resistive Load, V_OUT = 20.0 V
Powertrain Equivalent Input
Resistance vs. Output Current - V_OUT = 20 V
160
140
120
100
80
60
40
20
0
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5
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
Resistance vs. Output Current - V_OUT = 48 V
6
350
4
300
2
G_CN
250
0
(dB)
200
-2
150
-4
R_eq
100
-6
(Ω)
50
-8
0
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5
Load Current (A)
V_IN: 36 V
V_IN: 48 V
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
60
50
40
30
20
10
0
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5
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
4
400
2
350
0
G_CN
(dB)
300
-2
250
-4
200
-6
150
-8
R_eq
100
-10
(Ω)
50
-12
0
0.5 1
1.5 2
2.5 3
0
3.5 4
Load Current (A)
V_IN: 36 V
V_IN: 48 V
V_IN: 75 V
Figure 20 — Powertrain Characteristics vs. I_OUT, V_IN Resistive Load,
V_OUT = 55.0 V
PRM^TM Regulator
Page 25 of 42
Rev 1.5
11/2015
Powertrain Equivalent Input
Resistance vs. Output Current - V_OUT = 55 V
60
50
40
30
20
10
0
0
0.5 1
1.5 2
2.5 3
3.5 4
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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