Rev 2.1

vicorpower.com

Page 3 of 14

09/2015

800 927.9474

P036F048T12AL

Parameter

Min

Typ

Max

Unit

Note

Input voltage range

18

36

60

Vdc

Input dV/dt

1

V/µs

Input undervoltage turn-on

17

17.6

Vdc

Input undervoltage turn-off

15.2

15.9

Vdc

Input overvoltage turn-on

60

62

Vdc

Input overvoltage turn-off

63

65

Vdc

Input quiescent current

0.5

1

mA

PC low

Input current

3.5

Adc

Input reflected ripple current

586

mA p-p

See Figures 4 & 5

No load power dissipation

3

6

W

Internal input capacitance

5

µF

Ceramic

Recommended external input capacitance

100

µF

See Figure 5 for input filter circuit.

Source impedance dependent

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

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

VI Chip Regulator