PR048A480T024FP datasheet(4/13 Pages) VICOR

4 / 13 page

Parameter

Min

Typ

Max

Unit

Note

Output voltage range

Vdc

Factorized Bus voltage (Vf) set by ROS

Output power

240

Output current

Adc

DC current limit

5.25

6.0

6.6

Adc

IL pin floating

Average short circuit current

0.5

Auto recovery

Set point accuracy

1.5

Line regulation

0.17

0.2

Low line to high line

Load regulation

0.5

0.7

No CD resistor

Load regulation (at VTM output)

1.0

2.0

Adaptive Loop

Current share accuracy

Efficiency

Full load

See Figure 5,6 & 7

Output overvoltage set point

59.4

Vdc

Output ripple voltage

No external bypass

2.3

2.5

Factorized Bus, see Figure 12

With 10 µF capacitor

0.35

1.1

Factorized Bus, See Figure 13

Switching frequency

1.35

1.45

1.55

MHz

Fixed frequency - across entire operating range

Output turn-on delay

From application of power

135

300

See Figure 1

From PC pin high

100

µs

See Figure 2

Internal output capacitance

µF

Ceramic

Factorized Bus capacitance

µF

Output Specifications (Conditions are at 48 Vin, 48 Vf [a], full load, and 25°C ambient unless otherwise specified)

SPECIFICATIONS (CONT.)

Pre-Regulator Module

PR048A480T024FP

vicorpower.com

Rev. 1.0

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