PRM48AH480T200A00 Datasheet, PDF (23/44 Pages) Vicor Corporation – PRM™ Regulator

DC Modulator Gain and Powertrain Equivalent Resistance vs.
Output Current - Vout = 20 V
8
120
6
100
G_CN
(dB)
4
80
2
60
0
40
‐2
20
R_eq
(Ω)
‐4
0
0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
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
6
350
4
300
2
250
G_CN
(dB)
0
200
‐2
150
‐4
100
R_eq
‐6
(Ω)
50
‐8
0
0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
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
4
400
2
350
G_CN
0
(dB)
300
‐2
250
‐4
200
‐6
150
‐8
100
R_eq
‐10
(Ω)
50
‐12
0
0
0.5
1
1.5
2
2.5
3
3.5
4
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
PRM48AH480 X 200A00
Powertrain Equivalent Input Resistance vs.
Output Current - Vout = 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]
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
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]
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
60
50
40
30
20
10
0
0
0.5
1
1.5
2
2.5
3
3.5
4
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. 1.1
11/2012