IB0XXQ120T53XX-XX Datasheet, PDF (6/19 Pages) Vicor Corporation – 4:1 Intermediate Bus Converter Module: Up to 650W Output

Electrical Specifications (Cont.)
Specifications valid at 48V_IN, 100% rated load and 25ºC ambient, unless otherwise indicated.
­Attribute
Symbol
Conditions / Notes
IB0xxQ120T53xx-xx
Min
Typ
Max
Unit
Common Output Specifications
Output power *
0
650
W
Output current
Output start up load
Effective output resistance
P ≤ 650W
of I_OUT max, maximum output capacitance
53
A
15
%
3.9
mΩ
Line regulation (K factor)
Current share accuracy
Efficiency
V_OUT = K • V_IN @ no load
Full power operation; See Parallel Operation
on page 16; up to 3 units
0.245 0.250 0.252
10
%
50% load
See Figure 1
97.5
97.8
%
Full load
Internal output inductance
Internal output capacitance
Load capacitance
Output voltage ripple
Output overload protection
threshold
Overcurrent protection
time constant
Short circuit current response time
Switching frequency
Dynamic response – load
V_OUT overshoot / undershoot
V_OUT response time
Dynamic response – line
V_OUT overshoot
See Figure 1
97.0
0
20MHz bandwidth (Figure 17),
using test circuit in Figure 25
Of I_OUT max, will not shut down when started into max
C_OUT and 15% load.
105
Auto restart with duty cycle < 10%
Load change: ±25% of I_OUT max,
Slew rate (dI/dt) = 1A/µs
See Figures 12–15
Line step of 5V in 1µs, within V_IN operating range.
(C_IN = 500µF, C_O = 350µF)
(Figure 16 illustrates similar converter response
when subjected to a more severe line transient.)
97.3
1.6
75
60
1.0
1
3000
150
%
nH
µF
µF
mVp-p
150
%
1.2
ms
1.5
µs
MHz
100
mV
µs
1.25
V
Pre-bias voltage
Unit will start up into a pre-bias voltage on the output
0
15
V_DC
* 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.
IBC Module
Page 6 of 19
Rev 1.1
09/2016
vicorpower.com
800 927.9474