PRELIMINARY

Vicor Corporation

Tel: 800-735-6200

VICBrick DC-DC Converter

Rev. 1.5

Page 4 of 14

vicorpower.com

Parameter

Min

Typ

Max

Unit

Notes

Operating input voltage

36

48

75

Vdc

Input surge withstand

100

Vdc

<100 ms

Undervoltage

Turn-on

35

36

Vdc

Turn-off

32.6

33.8

Vdc

Overvoltage

Turn-off

76.0

Vdc

Turn-on

75.0

Vdc

Input reflected ripple current

3

% Iin

mA p-p (see Fig.3 for test circuit)

Input dV/dt

10

V/µs

Turn-on time

Power up

150

ms

ON/OFF enable

6

ms

No load power dissipation

6.0

W

Recommended external

10

50

µF

200 nH maximum source inductance

input capacitance

INPUT SPECIFICATIONS

Parameter

Min

Typ

Max

Unit

Notes

Output voltage accuracy

±1

%

48 V input; no load; 25°C

Current limit

125

%

Average short circuit current

200

mA

Efficiency

Module dependent, see charts for individual models

Output OVP setpoint

120

%

Line regulation

0.1

%

Load regulation

0.1

%

Temperature regulation

±0.05

% / °C

Ripple and noise, p-p

Module dependent, see charts for individual models

Transient response

No load - full load step change, see note 1 below

Voltage deviation

2

%

Recovery time

75

µs

OUTPUT SPECIFICATIONS

Electrical characteristics apply over the full operating range of input voltage, output load (resistive) and case temperature,

unless otherwise specified.

Note 1: For important information relative to applications where the unit is subjected to continuous dynamic loading, contact Vicor

Applications Engineering at 800-927-9474.

Specifications, continued