PRM48BF480T500A00 Datasheet, PDF (23/45 Pages) Vicor Corporation – PRM™ Regulator

DC Modulator Gain and Powertrain Equivalent Resistance vs.
Output Current - Vout = 20 V
16
40
14
35
G_CN
(dB)
12
30
10
25
8
20
6
15
4
10
r_eq
2
(Ω)
5
0
0
0
1
2
3
4
5
6
7
8
9
10 11
Load Current[A]
VIN: 38 V
VIN: 48 V
VIN: 55 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
14
G_CN
200
12
(dB)
180
10
160
8
140
6
120
4
100
2
80
0
60
‐2
40
r_eq
‐4
(Ω)
20
‐6
0
0
1
2
3
4
5
6
7
8
9
10 11
Load Current[A]
VIN: 38 V
VIN: 48 V
VIN: 55 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
12
200
10
G_CN
180
8
(dB)
160
6
140
4
120
2
100
0
80
‐2
60
‐4
40
r_eq
‐6
(Ω)
20
‐8
0
0
1
2
3
4
5
6
7
8
9
10 11
Load Current[A]
VIN: 38 V
VIN: 48 V
VIN: 55 V
Figure 20 Powertrain Characteristics vs. I_OUT, V_IN
Resistive Load, V_OUT = 55V
PRM48B x 480 y 500A00
Powertrain Equivalent Input Resistance vs.
Output Current - Vout = 20 V
30
25
20
15
10
5
0
0
1
2
3
4
5
6
7
8
9
10 11
Load Current[A]
VIN: 38 V
VIN: 48 V
VIN: 55 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
14
12
10
8
6
4
2
0
0
1
2
3
4
5
6
7
8
9
10
11
Load Current[A]
VIN: 38 V
VIN: 48 V
VIN: 55 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
10
8
6
4
2
0
0
1
2
3
4
5
6
7
8
9
10
11
Load Current[A]
VIN: 38 V
VIN: 48 V
VIN: 55 V
Figure 23 Magnitude of powertrain dynamic input impedance
vs. I_OUT, V_IN; V_OUT = 55 V
- 23 -
Rev. 1.0
11/2012