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Datasheet: I048C120T020P1 (Vicor Corporation)

Intermediate Bus Converters Quarter-Brick, 48 Vin Family

 

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Vicor Corporation
Vicor Corporation Tel: 800-735-6200 vicorpower.com
Quarter-Brick Intermediate Bus Converters
Rev. 1.3
Page 1 of 8
Factorized Power
4
5
Absolute Maximum Ratings
Parameter
Typ
Unit
VIC to ambient; 0 LFM (Single BCM)
13.3
C/W
VIC to ambient; 0 LFM (Dual BCM)
11.7
C/W
VIC to ambient; 200 LFM (Single BCM)
6.1
C/W
VIC to ambient; 200 LFM (Dual BCM)
4.3
C/W
Thermal capacity (Single BCM)
14.3
Ws/C
Thermal capacity (Dual BCM)
22.8
Ws/C
Thermal Resistance and Capacity
Features
Up to 600 W
95% efficiency @ 3 Vdc
600 W @ 55C, 400 LFM
125C operating temperature
400 W/in
3
power density
38-55 Vdc input range
100 V input surge for 100 ms
SAC topology
Low noise ZCS/ZVS architecture
3.5 MHz switching frequency
Fast dynamic response
Parallelable, with fault tolerance
2,250 Vdc basic insulation
Product Overview
These "VIC-in-a-Brick" Intermediate Bus
Converter (IBC) modules use Vicor's
VI Chip Bus Converter Modules (BCM)
to achieve the highest performance for
Intermediate Bus Architecture applications.
Operating from a 38-55 Vdc input, ten
different fixed ratio outputs are available
from 3 to 48 Vdc. You can choose the
intermediate bus voltage that is optimal for
your system and load requirements.
These quarter-bricks are available with a
single BCM, rated up to 300 W or 70 A, or
with dual BCMs, capable of 600 W or 100 A.
Dual output pins are used for output
currents over 50 A.
Utilizing breakthrough Sine Amplitude
Converter (SAC) technology, BCMs offer
the highest efficiency, lowest noise, fastest
transient response and highest power
density. And full load power is available at
55C with only 200 LFM of air for single
BCM versions and 400 LFM for dual BCM
versions, without a heatsink.
Parameter
Rating
Unit
Notes
+In to In voltage
Continuous
-1.0 to +60.0
Vdc
Surge
100
Vdc
<100ms
PC to In voltage
-0.3 to +7.0
Vdc
Isolation voltage
Basic Insulation
Input to output
2,250
Vdc
In/Out to heat sink
1,500
Vdc
Operating temperature
-40 to +125
C
Junction
Pin soldering temperature
Wave
500 (260)
F (C)
<5 sec
Hand
750 (390)
F (C)
<7 sec
PRELIMINARY
VI Chip
TM
VIC-in-a-Brick
Intermediate Bus Converters
Quarter-Brick, 48 Vin Family
3 to 48 Vdc Bus Voltages; 100 A - 600 W Output
+
VI
K
+
Vicor Corporation Tel: 800-735-6200 vicorpower.com
Quarter-Brick Intermediate Bus Converters
Rev. 1.3
Page 2 of 8
Factorized Power
PRELIMINARY
PART NUMBERING
Nominal
Input Voltage
Nominal
Output
Voltage (x10)
C = 1/4 Brick
Product
Grade
T= -40 to 125C
Package
Style
(See pg 7)
Enable
Polarity
P="+"
M=""
(see note 3)
Output
Power
(x 0.1
Format
I = IBC
Output
Full Load
Bus Converter
Number
K Factor
Full Load
R
OUT
Max Load
Voltage
Output (Note 2)
Model No.
of
(Transformation
Efficiency
Capacitance
(see note 1)
Watts
Amps
(see note 3)
BCMs
Ratio)
(%)
(m
)
(see note 4)
3.0
150
50 *
I048C030T015P1
1
1/16
95.5
2.0
31,000 F
210
70
I048C030T021P2
1
94.7
2.0
31,000 F
300
100 **
I048C030T030P2
2
94.6
1.0
62,000 F
4.0
200
50 *
I048C040T020P1
1
1/12
96.0
2.3
17,000 F
240
60
I048C040T024P2
1
95.4
1.2
17,000 F
400
100 **
I048C040T040P2
2
96.0
1.2
34,000 F
6.0
270
45
I048C060T027P1
1
1/8
96.2
4.0
7,600 F
540
90
I048C060T054P2
2
2.0
15,200 F
8.0
300
37
I048C080T030P1
1
1/6
96.3
7.2
4,300 F
400
50 ***
I048C080T040P1
2
96.9
3.6
8,600 F
600
75
I048C080T060P2
2
96.3
3.6
8,600 F
9.6
240
25
I048C096T024P1
1
1/5
96.3
10.0
3,000 F
480
50
I048C096T048P1
2
5.1
6,000 F
12
200
17
I048C120T020P1****
1
1/4
95.7
20.5
1,000 F
300
25
I048C120T030P1
1
96.7
13.0
1,000 F
400
34
I048C120T040P1****
2
95.7
10.3
2,000 F
600
50
I048C120T060P1
2
96.7
6.5
2,000 F
16
300
18.8
I048C160T030P1
1
1/3
96.8
20.0
900 F
600
37.5
I048C160T060P1
2
10.0
1,800 F
24
300
12.5
I048C240T030P1
1
1/2
97.2
42.0
470 F
600
25
I048C240T060P1
2
21.0
940 F
32
300
9.4
I048C320T030P1
1
2/3
97.0
67.0
200 F
600
18.7
I048C320T060P1
2
400 F
48
300
6.3
I048C480T030P1
1
1
97.0
150.0
100 F
600
12.5
I048C480T060P1
2
75.0
200 F
*
Full load capability is actually 70 A at 3 V and 60 A at 4 V. The maximum rating of the output pins is 50 A.
**
Full load capability is actually 140 A at 3 V and 120 A at 4 V. The maximum rating of the output pins is 100 A.
***
Full load capability is actually 75 A. The maximum rating of the output pins is 50 A.
****
Input voltage range is 42 V min to 53 V max.
Notes:
1: Output voltage at 48 Vdc input, no load and 25C temperature.
2: Maximum power and current ratings should not be exceeded under normal operating conditions.
3: The ending "P" indicates positive enable logic (pull PC pin low to disable). Change to "M" to
indicate negative logic (pull PC pin low to enable).
4: Exceeding this value can cause the unit not to turn on into load.
PRODUCT MATRIX
I
048
C
030
T
015
P
2
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 4253 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/s
Turn-on time
Power up
300
ms
PC enable
50
s
No load power dissipation
2.5
W
per BCM
Recommended external
10
50
F
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; 25C
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; 25C
Output OVP setpoint
120
%
Line regulation
Fixed ratio; Vout = VinK (see product matrix)
Load regulation
Vout =
IoutRout (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
s
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.
Vicor Corporation Tel: 800-735-6200 vicorpower.com
Quarter-Brick Intermediate Bus Converters
Rev. 1.3
Page 4 of 8
Factorized Power
PRELIMINARY
Parameter
Min
Typ
Max
Unit
Notes
Isolation voltage
Complies with basic insulation requirements
Input to output
2,250
Vdc
In/Out to chassis
1,500
Vdc
Isolation resistance
10
M
Input to output
Agency approvals (pending)
cTVus
UL/CSA 60950, EN 60950
CE Mark
Low voltage directive
SAFETY SPECIFICATIONS
Parameter
Min
Typ
Max
Unit
Notes
Operating junction temperature
-40
+125
C
Storage temperature
-40
+150
C
Temperature limiting
125
130
135
C
Junction temperature
Thermal capacity
1 BCM
14.3
Ws/C
2 BCM
22.8
Ws/C
Pin soldering temperature
Wave
500 (260)
F (C)
<5 sec
Hand
750 (390)
F (C)
<7 sec
THERMAL SPECIFICATIONS
Parameter
Min
Typ
Max
Unit
Notes
MTBF
MIL-HDBK-217F
3,600
Khrs
25C, GB; per BCM
Telcordia TR-NT-000332
4,200
Khrs
per BCM
Weight
3.7 (104)
oz (g)
Dimensions
2.3 x 1.45 x 0.47
in
L x W x H
58,4 x 36,8 x 11,9
mm
L x W x H
GENERAL SPECIFICATIONS
Parameter
Min
Typ
Max
Unit
Notes
Voltage (P version)
4.8
5.0
5.2
Vdc
Disable voltage (P version)
2.4
2.5
Vdc
Enable voltage (P version)
2.5
2.6
Vdc
Enable voltage (M version)
1.2
1.5
Vdc
Disable voltage (M version)
1.5
3.5
Vdc
Current limit (P version)
2.4
2.5
2.9
mA
Source only
CONTROL SPECIFICATIONS PRIMARY CONTROL (PC PIN)
Vicor Corporation Tel: 800-735-6200 vicorpower.com
Quarter-Brick Intermediate Bus Converters
Rev. 1.3
Page 5 of 8
PRELIMINARY
+IN / IN -- DC Voltage Input Pins
The "VIC-in-a-Brick" Intermediate Bus Converter (IBC) input
voltage range should not be exceeded. The VI Chip BCM's
internal under/over voltage lockout-function prevents operation
outside of the normal input range. The BCM turns ON within an
input voltage window bounded by the "Input under-voltage
turn-on" and "Input over-voltage turn-off" levels, as specified.
The IBC may be protected against accidental application of a
reverse input voltage by the addition of a rectifier in series with
the positive input, or a reverse rectifier in shunt with the
positive input located on the load side of the input fuse.
Input impedance
Vicor recommends a minimum of 10 F bypass capacitance be
used on-board across the +IN and IN pins. The type of
capacitor used should have a low Q with some inherent ESR
such as an electrolytic capacitor. If ceramic capacitance is
required for space or MTBF purposes, it should be damped with
approximately 0.3
series resistance.
Anomalies in the response of the source will appear at the
output of the IBC multiplied by its K factor. The DC resistance
of the source should be kept as low as possible to minimize
voltage deviations. This is especially important if the IBC is
operated near low or high line as the over/under voltage
detection circuitry of the BCM(s) could be activated.
PC -- Primary Control Pin
The Primary Control pin is a multifunction node that provides
the following functions:
Enable/Disable
Standard "P" configuration -- If the PC pin is left floating, the
BCM output is enabled. Once this port is pulled lower than 2.4 Vdc
with respect to IN, the output is disabled. This action can be
realized by employing a relay, opto-coupler or open collector
transistor. This port should not be toggled at a rate higher than 1 Hz.
Optional "M" configuration -- This is the reverse function as
above: when the PC pin is left floating , the BCM output is
disabled.
Primary Auxiliary Supply -- The PC pin can source up to
2.4 mA at 5.0 Vdc. (P version only)
Alarm -- The BCM contains watchdog circuitry that monitors
output overload, input over voltage or under voltage, and
internal junction temperatures. In response to an abnormal
condition in any of the monitored parameters, the PC pin
will toggle. (P version only)
+OUT / OUT -- DC Voltage Output Pins
The 0.062" diameter + and output pins are rated for a
maximum current of 50 A. Two sets of pins are provided for all
units with a current rating over 50 A. These pins must be
connected in parallel with minimal interconnect resistance.
Within the specified operating range, the average output voltage
is defined by the Level 1 DC behavioral model of the on board
BCM(s) as defined in the appropriate BCM data sheet.
Output impedance
The very low output impedance of the IBC, as shown in the
Product Matrix table, reduces or eliminates the need for limited
life aluminum electrolytic or tantalum capacitors at the input of
the non-isolated point-of-load converters.
Load capacitance
Total load capacitance at the output of the IBC should not
exceed the specified maximum as shown in the Product Matrix
table. Owing to the wide bandwidth and low output impedance
of the BCM, low frequency bypass capacitance and significant
energy storage may be more densely and efficiently provided by
adding capacitance at the input of the IBC.
Bi-directional operation
The BCM power train and control architecture allow bi-
directional power transfer, including reverse power processing
from the BCM output to its input. Reverse power transfer is
enabled if the BCM input is within its operating range and the
BCM is otherwise enabled. The BCM's ability to process power
in reverse significantly improves the IBC transient response to
an output load dump.
PIN/CONTROL FUNCTIONS
Figures 2 to 5 provide the IBC's maximum ambient operating
temperature vs. BCM power dissipation for a variety of airflows.
In order to determine the maximum ambient environment for a
given application, the following procedure should be used:
1. Determine the maximum load powered by the IBC.
2. Determine the power dissipated at this load by the
on-board BCM(s).
a) If using a 1 BCM configuration, this dissipation is
found in Fig. 6 on the appropriate BCM data sheet
corresponding to the output voltage of the IBC.
b) If using a 2 BCM configuration, divide the maximum
load by 2. The power dissipated by each BCM is found in
Fig. 6 on the appropriate BCM data sheet corresponding
to the output voltage of the IBC. This number should
then be multiplied by 2 to reflect the total dissipation.
3. Determine the airflow orientation from Fig.1.
4. Using the chart corresponding to the appropriate airflow
angle, find the curve corresponding to the airflow
velocity and read the maximum ambient operating
temperature of the IBC (y-axis) based on the total BCM
power dissipation (x-axis).
For additional information on VI Chip thermal design, please
read the "Thermal Management" section of the BCM data sheet.
THERMAL MANAGEMENT
Factorized Power
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