PRD48BF480T600A00 Datasheet, PDF (12/22 Pages) Vicor Corporation – PRM® Regulator Remote Sense Only

DC modulator gain and powertrain equivalent
output resistance vs. output current, V_OUT = 55V
14
280
12
240
10
g_pr
200
8
160
6
120
4
80
2
r_{eq_out}
40
0
0
0 1 2 3 4 5 6 7 8 9 10 11 12
Output Current [A]
V_IN:
38
45
55
38
45
55
Figure 17 – Powertrain characteristics vs. I_OUT;
Resistive load, V_OUT=55V, various V_IN
DC modulator gain and powertrain equivalent
output resistance vs. output current, V_OUT = 48V
14
105
12
90
10
75
g_pr
8
60
6
45
4
30
2
r_{eq_out}
15
0
0
0 1 2 3 4 5 6 7 8 9 10 11 12 13
Output Current [A]
V_IN:
38
45
55
38
45
55
Figure 19 – Powertrain characteristics vs. I_OUT;
Resistive load, V_OUT=48V, various V_IN
Output Power vs. V_PR
V_IN = 45V, V_OUT = 48V, T_C=25ºC
600
560
Typical min
520
480
Nominal
440
Typical max
400
360
320
280
240
200
160
120
80
40
0
2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5 7.0
PR Voltage [V]
Figure 21 – Output Power vs. V_PR; V_IN=45V, V_OUT=48V,
T_CASE=25ºC
PRM48Bx480y600A00
DC modulator gain and powertrain equivalent
output resistance vs. output current, V_OUT = 20V
18
24
16
20
14
g_pr
16
12
12
10
8
8
r_{eq_out}
4
6
0
0 1 2 3 4 5 6 7 8 9 10 11 12 13
Output Current [A]
V_IN:
38
45
55
38
45
55
Figure 18 – Powertrain characteristics vs. I_OUT;
Resistive load, V_OUT=20V, various V_IN
Effective internal capacitance vs. applied
voltage, Input (C_{IN_INT}) and Output (C_{OUT_INT})
14
12
10
8
6
4
2
0
0 5 10 15 20 25 30 35 40 45 50 55
Voltage [V]
Figure 20 – Effective internal input and output
capacitance vs. voltage – ceramic type
Powertrain equivalent input resistance
vs. output current, V_OUT = 55V
12
10
8
6
4
2
0
0 1 2 3 4 5 6 7 8 9 10 11
Output Current [A]
V_IN:
38
45
55
Figure 22 – Magnitude of powertrain dynamic input
impedance vs. V_IN, I_OUT; V_OUT=55V
PRM® Regulator
Page 12 of 22
Rev 1.2
07/2015
vicorpower.com
800 927.9474