VI BRICK IBC Module

IB048E120T32N1-00

vicorpower.com

Rev. 1.4

Page 2 of 13

Attribute

Symbol

Conditions / Notes

Min

Typ

Max

Unit

Operating input voltage

38

48

55

Vdc

Non-operating input surge withstand

<100 mS

75

Vdc

Operating input dV/dt

0.003

5

V/us

Undervoltage protection

Turn-on

33

38

Vdc

Turn-off

31

36

Vdc

Turn-on / Turn-off hysteresis

2

Vdc

Time constant

7µs

Undervoltage blanking time

UV blanking time is enabled after start up

50

100

200

µs

Overvoltage protection

Turn-off

60

64

Vdc

Turn-on

55

64

Vdc

Time constant

4µs

Turn ON delay

Start up inhibit

20

25

30

ms

to enable function operational , see Figure 6

Turn-on delay

Enable to 10% V

0 load capacitance

50

µs

Output voltage rise time

From 10% to 90% Vout, 10% load,

0 load capacitance

50

µs

Restart turn-on delay

See page 10 for restart after EN pin disable

250

ms

No Load power dissipation

Enabled

3.4

3.9

W

Disabled

0.17

0.24

W

Input current

8.2

A

Inrush current overshoot

Using test circuit in Figure 21, 15% load, highline

25

A

Input reflected ripple current

At max power;

400

mArms

Using test circuit in Figure 22

Peak short circuit input current

30

A

Repetitive short circuit peak current

25

A

Internal input capacitance

8.8

µF

Internal input inductance

5nH

Recommended external

200 nH maximum source inductance

47

470

µF

input capacitance

OUTPUT

DC Output voltage band

No load, over Vin range

9.0

12.0

15.0

V

0

300

W

Output current

32

A

Output start up load

of Iout max, maximum output capacitance

15

%

Effective output resistance

4.4

m

Ω

Line regulation (K factor)

0.247

0.250

0.253

Current share accuracy

Full power operation; See Parallel Operation

10

%

on page 11; up to 3 units

SPECIFICATIONS

Electrical Characteristics

[a]

Does not exceed IPC-9592 derating guidelines. At 70°C ambient, full power operation may exceed IPC -9592 guidelines, but does not exceed

component ratings, does not activate OTP and does not compromise reliability.