Parameter

Values

Unit

Notes

+In to -In

-1.0 to 59.0

Vdc

PC to -In

-0.3 to 6.0

Vdc

PR to -In

-0.3 to 9.0

Vdc

IL to -In

-0.3 to 6.0

Vdc

VC to -In

-0.3 to 18.0

Vdc

+Out to -Out

-0.3 to 59

Vdc

SC to -Out

-0.3 to 3.0

Vdc

VH to -Out

-0.3 to 9.5

Vdc

OS to -Out

-0.3 to 9.0

Vdc

CD to -Out

-0.3 to 9.0

Vdc

SG to -Out

100

mA

Continuous output current

6.67

Adc

Continuous output power

320

W

Operating temperature

-40 to +100

°C

T-Grade; baseplate

Storage temperature

-40 to +125

°C

T-Grade

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

SPECIFICATIONS

Parameter

Min

Typ

Max

Unit

Notes

Input voltage range

38

45

55

Vdc

Input dV/dt

1

V/µs

Input undervoltage turn-on

35.7

37.3

Vdc

Input undervoltage turn-off

32.1

33.6

Vdc

Input overvoltage turn-on

55.5

56.6

Vdc

Input overvoltage turn-off

57.7

59.4

Vdc

Input quiescent current

0.5

1

mA

PC low

Input current

7.3

Adc

Input reflected ripple current

760

mA p-p

See Figures 3 & 4

No load power dissipation

3.0

6.0

W

Internal input capacitance

5

µF

Ceramic

Recommended external input capacitance

100

µF

See Figure 4 for input filter circuit.

Source impedance dependent

Pre-Regulator Module

PR045A480T032FP

vicorpower.com

Rev. 1.1

Page 2 of 13

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.