Vicor Corporation

Tel: 800-735-6200

V•I Chip Voltage Transformation Module

V048K015T100

Rev. 1.2

Page 2 of 16

vicorpower.com

PRELIMIN

ARY

Specifications

Parameter

Min

Typ

Max

Unit

Note

Input voltage range

26

48

55

Vdc

Operable down to zero V with external bias voltage

Input dV/dt

1

V/µs

Input overvoltage turn-on

57.6

Vdc

Input overvoltage turn-off

59.0

Vdc

Input current

2.7

Adc

Input reflected ripple current

125

mA p-p

Using test circuit in Fig.16; See Fig.1

No load power dissipation

3.80

4.8

W

Internal input capacitance

4

µF

Internal input inductance

20

nH

INPUT (Conditions are at 48 Vin, full load, and 25°C ambient unless otherwise specified)

Parameter

Min

Typ

Max

Unit

Note

Rated DC current

0

100

Adc

Peak repetitive current

150

A

Max pulse width 1ms, max duty cycle 10%,

baseline power 50%

DC current limit

110

125

140

Adc

Current share accuracy

5

10

%

See Parallel Operation on page 10

Efficiency

Half load

91.5

92.0

%

See Fig.3, 1.0 Vout

Full load

87.4

88.0

%

See Fig.3, 1.0 Vout

Internal output inductance

1.6

nH

Internal output capacitance

306

µF

Effective value

Load capacitance

100,000

µF

Output overvoltage setpoint

1.80

Vdc

Output ripple voltage

No external bypass

64

110

mV

See Figs.2 and 5

200 µF bypass capacitor

2

mV

See Fig.6

Effective switching frequency

2.5

2.6

2.7

MHz

Fixed, 1.30 MHz per phase

Line regulation

K

0.0309

1/32

0.0316

Load regulation

1.0

1.3

m

Ω

See Fig.19

Transient response

Voltage overshoot

50

mV

Response time

200

ns

See Figs.7 and 8

Recovery time

1

µs

See Figs.7 and 8

OUTPUT (Conditions are at 48 Vin, full load, and 25°C ambient unless otherwise specified)