PRM48JH480X250A00 Datasheet, PDF (26/44 Pages) Vicor Corporation – Pin selectable operating mode

PRM48JH480x250A00
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
10
150
7.5
G_{CN 125}
(dB)
5
100
2.5
75
0
50
-2.5
-5
0
0.75 1.5
2.25
3
3.75
(RΩ^e)^q
25
0
4.5 5.25
Load Current (A)
V_IN: 38 V
V_IN: 48 V
V_IN: 55 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
120
100
80
60
40
20
0
0
0.75 1.5
2.25
3
3.75 4.5 5.25
Load Current (A)
V_IN: 38 V
V_IN: 48 V
V_IN: 55 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
10
G_CN
300
(dB)
5
250
0
200
-5
150
-10
-15
-20
0
100
R_eq
(Ω)
50
0
0.75 1.5
2.25
3
3.75 4.5 5.25
Load Current (A)
V_IN: 38 V
V_IN: 48 V
V_IN: 55 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
50
40
30
20
10
0
0
0.75 1.5
2.25
3
3.75 4.5
5.25
Load Current (A)
V_IN: 38 V
V_IN: 48 V
V_IN: 55 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
G_CN
(dB)
5
250
0
200
-5
150
-10
-15
-20
0
100
R_eq
(Ω)
50
0
0.75 1.5
2.25
3
3.75 4.5 5.25
Load Current (A)
V_IN: 38 V
V_IN: 48 V
V_IN: 55 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 1.2
11/2015
Powertrain Equivalent Input
Resistance vs. Output Current - V_OUT = 55 V
50
40
30
20
10
0
0
0.75 1.5
2.25
3
3.75 4.5 5.25
Load Current (A)
V_IN: 38 V
V_IN: 48 V
V_IN: 55 V
Figure 23 — Magnitude of powertrain dynamic input impedance vs. I_OUT;
V_IN; V_OUT = 55.0 V
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