
Parameter
Values
Unit
Notes
+In to -In
-1.0 to 59.0
Vdc
PC to -In
-0.3 to 6.0
Vdc
PR to -In
-0.3 to 9.0
Vdc
IL to -In
-0.3 to 6.0
Vdc
VC to -In
-0.3 to 18.0
Vdc
+Out to -Out
-0.3 to 59
Vdc
SC to -Out
-0.3 to 3.0
Vdc
VH to -Out
-0.3 to 9.5
Vdc
OS to -Out
-0.3 to 9.0
Vdc
CD to -Out
-0.3 to 9.0
Vdc
SG to -Out
100
mA
Continuous output current
6.67
Adc
Continuous output power
320
W
Operating temperature
-40 to +100
°C
T-Grade; baseplate
Storage temperature
-40 to +125
°C
T-Grade
Electrical characteristics apply over the full operating range of input voltage, output load (resistive) and baseplate temperature,
unless otherwise specified. All temperatures refer to the operating temperature at the center of the baseplate.
Absolute Maximum Ratings
SPECIFICATIONS
Parameter
Min
Typ
Max
Unit
Notes
Input voltage range
38
45
55
Vdc
Input dV/dt
1
V/s
Input undervoltage turn-on
35.7
37.3
Vdc
Input undervoltage turn-off
32.1
33.6
Vdc
Input overvoltage turn-on
55.5
56.6
Vdc
Input overvoltage turn-off
57.7
59.4
Vdc
Input quiescent current
0.5
1
mA
PC low
Input current
7.3
Adc
Input reflected ripple current
760
mA p-p
See Figures 3 & 4
No load power dissipation
3.0
6.0
W
Internal input capacitance
5
F
Ceramic
Recommended external input capacitance
100
F
See Figure 4 for input filter circuit.
Source impedance dependent
Input Specifications (Conditions are at 45 Vin, 48 Vf [a], full load, and 25°C ambient unless otherwise specified)
Pre-Regulator Module
PR045A480T032FP
vicorpower.com
Rev. 1.1
Page 2 of 13
Note: Stresses in excess of the maximum ratings can cause permanent damage to the device. Operation of the device is not implied at these or any other conditions
in excess of those given in the specification. Exposure to absolute maximum ratings can adversely affect device reliability.
[a] Vf is factorized bus voltage (see Figure 15).