IBC Module

Rev 1.1

vicorpower.com

Page 6 of 17

09/2016

800 927.9474

IB0xxE120T32xx-xx

Electrical Specifications (Cont.)

Attribute

Symbol

Conditions / Notes

Min

Typ

Max

Unit

Common Output Specifications

Output power *

0

300

W

Output current

P ≤ 300W

32

A

Output start up load

15

%

Effective output resistance

5.2

mΩ

Line regulation (K factor)

0.247

0.250

0.253

Current share accuracy

Full power operation; See Parallel Operation

on page 15; up to 3 units

10

%

Efficiency

50% load

See Figure 1

97.0

97.4

%

Full load

See Figure 1

97.4

97.9

%

Internal output inductance

1.6

nH

Internal output capacitance

55

µF

Load capacitance

0

3000

µF

Output voltage ripple

20MHz bandwidth (Figure 16),

using test circuit in Figure 23

60

150

mVp-p

Output overload protection

threshold

Auto restart with duty cycle < 10%

105

150

%

Overcurrent protection

time constant

1.2

ms

Short circuit current response time

1.5

µs

Switching frequency

1.0

MHz

Dynamic response – load

Slew rate (dI/dt) = 1A/µs

See Figures 11–14

100

mV

1

µs

Dynamic response – line

(Figure 15 illustrates similar converter response

when subjected to a more severe line transient.)

1.25

V

Pre-bias voltage

Unit will start up into a pre-bias voltage on the output

0

15

* Does not exceed IPC-9592 derating guidelines. At 70ºC ambient, full power operation may exceed IPC-9592 guidelines, but does not exceed component

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