Voltage Transformation Module

VT048A020T080FP

vicorpower.com

Rev. 1.1

Page 2 of 11

Parameter

Values

Unit

Notes

+In to -In

-1.0 to 60

Vdc

+In to -In

100

Vdc

For 100 ms

PC to -In

-0.3 to 7.0

Vdc

VC to -In

-0.3 to 19.0

Vdc

+Out to -Out

-0.5 to 4.0

Vdc

Isolation voltage

2,250

Vdc

Input to output

Output current

80.0

A

Continuous

Peak output current

120.0

A

For 1 ms

Output power

174

W

Continuous

Peak output power

262

W

For 1 ms

Operating temperature

-40 to +100

°C

T-Grade; baseplate

-55 to +100

°C

M-Grade; baseplate

Storage temperature

-40 to +125

°C

T-Grade

-65 to +125

°C

M-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

26.0

48

55

Vdc

Input dV/dt

1

V/µs

Input overvoltage turn-on

56.0

Vdc

Input overvoltage turn-off

59.5

Vdc

Input current

3.8

Adc

Input reflected ripple current

170

mA p-p

Using test circuit in Figure 10; See Figure 1

No load power dissipation

4.5

6.2

W

Internal input capacitance

4.0

µF

Internal input inductance

5

nH

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.