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Not Recommended for New Designs
Electrical Specifications (continued)
Output Specs (Conditions are at 48 V IN , 48 V OUT , full load, and 25 °C ambient unless otherwise specified)
P048F048T12AL
Parameter
Output voltage range
Output power
Output current
DC current limit
Average short circuit current
Set point accuracy
Line regulation
Load regulation
Load regulation (at VTM output)
Current share accuracy
Min
26
0
0
2.6
Typ
48
3.0
1.0
0.1
0.1
1.0
5.5
Max
55
120
2.5
3.3
0.5
1.5
0.2
0.2
2.0
15
Unit
Vdc
W
Adc
Adc
A
%
%
%
%
%
Note
Factorized Bus voltage (Vf) set by R OS
I L pin floating
Auto recovery
R OS = 2.37 K, no CD resistor
Low line to high line
No CD resistor
Adaptive Loop
Efficiency
Full load
Output overvoltage set point
94.5
56
95.5
59.4
%
Vdc
See Figure 6,7 & 8
Output ripple voltage
No external bypass
With 10 μF capacitor
1.0
0.5
2.0
1.0
%
%
Factorized Bus, see Figure 13
Factorized Bus, see Figure 14
Switching frequency
1.35
1.45
1.55
MHz
Fixed frequency
Output turn-on delay
From application of power
200
300
ms
See Figure 2
From PC pin enable
Internal output capacitance
800
1200
5
1600
μs
μF
See Figure 3
Ceramic
Factorized Bus capacitance
47
μF
PRM ? Regulator
Page 4 of 14
Rev 3.1
12/2013
vicorpower.com
800 735.6200
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