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I048C320T030P1 Datasheet(PDF) 3 Page - Vicor Corporation

Part No. I048C320T030P1
Description  Intermediate Bus Converters Quarter-Brick, 48 Vin Family
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Maker  VICOR [Vicor Corporation]
Homepage  http://www.vicorpower.com
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 3 page
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Vicor Corporation Tel: 800-735-6200 vicorpower.com
Quarter-Brick Intermediate Bus Converters
Rev. 1.3
Page 3 of 8
Factorized Power
PRELIMINARY
Parameter
Min
Typ
Max
Unit
Notes
Operating input voltage
38
48
55
Vdc
12 V 200 W & 400 W units are 42–53 Vdc
Input surge withstand
100
Vdc
<100ms
Undervoltage
Turn-on
36.1
38
Vdc
Turn-off
32.6
33.8
Vdc
Overvoltage
Turn-off
55.0
Vdc
Turn-on
59
Vdc
Input reflected ripple current
3
% Iin
mA p-p with recommended external input capacitor
Input dV/dt
10
V/µs
Turn-on time
Power up
300
ms
PC enable
50
µs
No load power dissipation
2.5
W
per BCM
Recommended external
10
50
µF
200 nH maximum source inductance
input capacitance
INPUT SPECIFICATIONS
ELECTRICAL CHARACTERISTICS
Parameter
Min
Typ
Max
Unit
Notes
Output voltage accuracy
±2
%
48 V input; no load; 25°C
Peak repetitive output current
150
%
<1 ms; see note 2 below
Current limit
125
%
See note 1 below
Average short circuit current
200
mA
Efficiency
96.0
%
48 Vin; full load; 25°C
Output OVP setpoint
120
%
Line regulation
Fixed ratio; Vout = Vin•K (see product matrix)
Load regulation
∆Vout = ∆Iout•Rout (see product matrix)
Temperature regulation
±0.05
% / °C
Ripple and noise, p-p
100
mV
48 Vin; full load; 20 MHz bandwidth
Switching frequency
3.5
MHz
Fixed
Power sharing accuracy
±5
±10
%
10 to 100% load
Transient response
No load - full load step change, see note 2 below
Voltage deviation
2
%
Response time
200
ns
Recovery time
1
µs
OUTPUT SPECIFICATIONS
For comprehensive data on any of the configurations, please refer to the data sheet for the BCM with output voltage (K Factor) of
the Intermediate Bus Converter of interest. Data sheets are available from our website at www.vicorpower.com.
Electrical characteristics apply over the full operating range of input voltage, output load (resistive) and case temperature,
unless otherwise specified.
Note 1: Current limit parameter does not apply for all models. Please see product matrix on page 2 for exceptions.
Note 2: For important information relative to applications where the unit is subjected to continuous dynamic loading, contact Vicor
applications engineering at 800-927-9474.




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