Rev 3.2

vicorpower.com

Page 3 of 14

07/2015

800 927.9474

P024F048T12AL

Parameter

Min

Typ

Max

Unit

Note

Input voltage range

18

24

36

Vdc

Input dV/dt

1

V/µs

Input undervoltage turn-on

15.8

16.5

Vdc

Increases as temp. increases to 17.3 max

Input undervoltage turn-off

13.5

14.1

Vdc

Input overvoltage turn-on

36.3

37.1

Vdc

Input overvoltage turn-off

37.8

38.9

Vdc

Input quiescent current

0.5

1

mA

PC low

Input current

5.2

Adc

Input reflected ripple current

284

mA p-p

See Figures 4 & 5

No load power dissipation

3.82

7.65

W

Internal input capacitance

5

µF

Ceramic

Recommended external input capacitance

1,000

µF

See Figure 5 for input filter circuit.

Source impedance dependent

Figure 3 — Vf turn-on waveform with inrush current – PC enabled

electronic load set constant R

Figure 2 — Vf and PC response from power up

Figure 4 — Input reflected ripple current

Input Waveforms

+IN

–IN

+Out

–Out

+In

–In

VC

PC

TM

IL

VH

PR

NC

SG

SC

PRM-AL

OS

NC

CD

1000 μF

Al-Electrolytic

Reflected

Ripple

Measurement

2.37 kΩ

+ OUT

– OUT

10 A

10 kΩ

0.01 μF

Figure 5 — Input filter capacitor recommendation

Electrical Specifications