PRM48AF480T400A00 Datasheet, PDF (23/45 Pages) Vicor Corporation – PRM™ Regulator

DC Modulator Gain and Powertrain Equivalent Resistance vs.
Output Current - Vout = 20 V
15
150
12.5
125
G_CN
10
(dB)
100
7.5
75
5
50
2.5
25
r_eq
(Ω)
0
0
0
1
2
3
4
5
6
7
8
9
Load Current[A]
VIN: 36 V
VIN: 48 V
VIN: 75 V
Figure 18 Powertrain Characteristics vs. I_OUT, V_IN
Resistive Load, V_OUT = 20V
DC Modulator Gain and Powertrain Equivalent Resistance vs.
Output Current - Vout = 48 V
10
300
7.5
250
G_CN
(dB)
5
200
2.5
150
0
100
‐2.5
r_eq
50
(Ω)
‐5
0
0
1
2
3
4
5
6
7
8
9
Load Current[A]
VIN: 36 V
VIN: 48 V
VIN: 75 V
Figure 19 Powertrain Characteristics vs. I_OUT, V_IN
Resistive Load, V_OUT = 48V
DC Modulator Gain and Powertrain Equivalent Resistance vs.
Output Current - Vout = 55 V
10
300
7.5
250
G_CN
(dB)
5
200
2.5
150
0
100
‐2.5
50
r_eq
(Ω)
‐5
0
0
1
2
3
4
5
6
7
8
Load Current[A]
VIN: 36 V
VIN: 48 V
VIN: 75 V
Figure 20 Powertrain Characteristics vs. I_OUT, V_IN
Resistive Load, V_OUT = 55V
PRM48A x 480 y 400A00
Powertrain Equivalent Input Resistance vs.
Output Current - Vout = 20 V
100
90
80
70
60
50
40
30
20
10
0
0
1
2
3
4
5
6
7
8
9
Load Current[A]
VIN: 36 V
VIN: 48 V
VIN: 75 V
Figure 21 Magnitude of powertrain dynamic input impedance
vs. I_OUT, V_IN; V_OUT = 20 V
Powertrain Equivalent Input Resistance vs.
Output Current - Vout = 48 V
40
35
30
25
20
15
10
5
0
0
1
2
3
4
5
6
7
8
9
Load Current[A]
VIN: 36 V
VIN: 48 V
VIN: 75 V
Figure 22 Magnitude of powertrain dynamic input impedance
vs. I_OUT, V_IN; V_OUT = 48 V
Powertrain Equivalent Input Resistance vs.
Output Current - Vout = 55 V
40
35
30
25
20
15
10
5
0
0
1
2
3
4
5
6
7
8
Load Current[A]
VIN: 36 V
VIN: 48 V
VIN: 75 V
Figure 23 Magnitude of powertrain dynamic input impedance
vs. I_OUT, V_IN; V_OUT = 55 V
- 23 -
Rev. 1.0
11/2012