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PR045A480T017FP Datasheet, PDF (2/13 Pages) Vicor Corporation – PRM™ Regulator
SPECIFICATIONS
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
Parameter
+In to -In
PC to -In
PR to -In
IL to -In
VC to -In
+Out to -Out
SC to -Out
VH to -Out
OS to -Out
CD to -Out
SG to -Out
Continuous output current
Continuous output power
Operating temperature
Storage temperature
Values
-1.0 to 85.0
-0.3 to 6.0
-0.3 to 9.0
-0.3 to 6.0
-0.3 to 18.0
-0.3 to 59
-0.3 to 3.0
-0.3 to 9.5
-0.3 to 9.0
-0.3 to 9.0
100
3.54
170
-40 to +100
-40 to +125
Unit
Vdc
Vdc
Vdc
Vdc
Vdc
Vdc
Vdc
Vdc
Vdc
Vdc
mA
Adc
W
°C
°C
Notes
T-Grade; baseplate
T-Grade
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.
Input Specifications (Conditions are at 45 Vin, 48 Vf [a], full load, and 25°C ambient unless otherwise specified)
Parameter
Min
Input voltage range
38
Input dV/dt
Input undervoltage turn-on
Input undervoltage turn-off
32.1
Input overvoltage turn-on
55.3
Input overvoltage turn-off
Input quiescent current
Input current
Input reflected ripple current
No load power dissipation
Internal input capacitance
Recommended external input capacitance
Typ
Max
Unit
45
55
Vdc
1
V/µs
35.7
37.3
Vdc
33.6
Vdc
56.6
Vdc
57.7
59.4
Vdc
0.5
1
mA
4.0
Adc
470
mA p-p
2.9
5.8
W
5
µF
100
µF
Notes
PC low
See Figures 3 & 4
Ceramic
See Figure 4 for input filter circuit.
Source impedance dependent
[a] Vf is factorized bus voltage (see Figure 15).
Pre-Regulator Module
PR045A480T017FP
vicorpower.com
Rev. 1.1
Page 2 of 13