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PRELIMINARY
45
V*I Chip VIC-in-a-Brick
TM
Intermediate Bus Converters Quarter-Brick, 48 Vin Family
3 to 48 Vdc Bus Voltages; 100 A - 600 W Output
V*I
Features
* Up to 600 W * 95% efficiency @ 3 Vdc * 600 W @ 55C, 400 LFM * 125C operating temperature * 400 W/in3 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
++ -K -
(c)
Absolute Maximum Ratings Product Overview
These "VIC-in-a-Brick" Intermediate Bus Converter (IBC) modules use Vicor's V*I 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 +In to -In voltage Continuous Surge PC to -In voltage Isolation voltage Input to output In/Out to heat sink Operating temperature Pin soldering temperature Wave Hand Rating -1.0 to +60.0 100 -0.3 to +7.0 2,250 1,500 -40 to +125 500 (260) 750 (390) Unit Vdc Vdc Vdc Basic Insulation Vdc Vdc C F (C) F (C) Junction <5 sec <7 sec Notes
<100ms
Thermal Resistance and Capacity
Parameter VIC to ambient; 0 LFM (Single BCM) VIC to ambient; 0 LFM (Dual BCM) VIC to ambient; 200 LFM (Single BCM) VIC to ambient; 200 LFM (Dual BCM) Thermal capacity (Single BCM) Thermal capacity (Dual BCM) Typ 13.3 11.7 6.1 4.3 14.3 22.8 Unit C/W C/W C/W C/W Ws/C Ws/C
Vicor Corporation Tel: 800-735-6200 vicorpower.com
Factorized Power
Quarter-Brick Intermediate Bus Converters
Rev. 1.3 Page 1 of 8
PRELIMINARY
PART NUMBERING
I
Format I = IBC
048
Nominal Input Voltage
C
C = 1/4 Brick
030
Nominal Output Voltage (x10)
T
Product Grade T= -40 to 125C
015
Output Power (x 0.1
P
Enable Polarity P="+" M="-" (see note 3)
2
Package Style (See pg 7)
PRODUCT MATRIX
Output Voltage
(see note 1)
Full Load Output (Note 2) Watts Amps 150 50 * 70 100 ** 50 * 60 100 ** 45 90 37 50 *** 75 25 50 17 25 34 50 18.8 37.5 12.5 25 9.4 18.7 6.3 12.5 210 300 200
Bus Converter Model No.
(see note 3)
Number of BCMs 1 1 2 1 1 2 1 2 1 2 2 1 2 1 1 2 2 1 2 1 2 1 2 1 2
K Factor
(Transformation Ratio)
Full Load Efficiency (%) 95.5 94.7 94.6 96.0
ROUT (m) 2.0 2.0 1.0 2.3 1.2 1.2 4.0 2.0
Max Load Capacitance
(see note 4)
I048C030T015P1 I048C030T021P2 I048C030T030P2 I048C040T020P1 I048C040T024P2 I048C040T040P2 I048C060T027P1 I048C060T054P2 I048C080T030P1 I048C080T040P1 I048C080T060P2 I048C096T024P1 I048C096T048P1 I048C120T020P1**** I048C120T030P1 I048C120T040P1**** I048C120T060P1 I048C160T030P1 I048C160T060P1 I048C240T030P1 I048C240T060P1 I048C320T030P1 I048C320T060P1 I048C480T030P1 I048C480T060P1
31,000 F 31,000 F 62,000 F 17,000 F 17,000 F 34,000 F 7,600 F 15,200 F 4,300 F 8,600 F 8,600 F 3,000 F 6,000 F 1,000 F 1,000 F 2,000 F 2,000 F 900 F 1,800 F 470 F 940 F 200 F 400 F
3.0
1/16
4.0
240 400
1/12
95.4 96.0
6.0
270 540 300
1/8
96.2 96.3
7.2 3.6 3.6 10.0 5.1
8.0
400 600
1/6
96.9 96.3
9.6
240 480 200
1/5
96.3 95.7
20.5 13.0 10.3 6.5 20.0 10.0
12
300 400 600
1/4
96.7 95.7 96.7
16
300 600
1/3
96.8
24
300 600 300
1/2
97.2
42.0 21.0
32
2/3
97.0
67.0 150.0 75.0
600 300
48
1
97.0
100 F 200 F
600
* ** *** ****
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.
Vicor Corporation Tel: 800-735-6200 vicorpower.com
Factorized Power
Quarter-Brick Intermediate Bus Converters
Rev. 1.3 Page 2 of 8
PRELIMINARY
ELECTRICAL CHARACTERISTICS
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.
INPUT SPECIFICATIONS
Parameter Operating input voltage Input surge withstand Undervoltage Turn-on Turn-off Overvoltage Turn-off Turn-on Input reflected ripple current Input dV/dt Turn-on time Power up PC enable No load power dissipation Recommended external input capacitance 10 300 50 2.5 50 36.1 33.8 Min 38 Typ 48 Max 55 100 38 Unit Vdc Vdc Vdc Vdc Vdc Vdc % Iin 10 V/s ms s W F per BCM 200 nH maximum source inductance mA p-p with recommended external input capacitor Notes 12 V 200 W & 400 W units are 42-53 Vdc <100ms
32.6 55.0
59 3
OUTPUT SPECIFICATIONS
Parameter Output voltage accuracy Peak repetitive output current Current limit Average short circuit current Efficiency Output OVP setpoint Line regulation Load regulation Temperature regulation Ripple and noise, p-p Switching frequency Power sharing accuracy Transient response Voltage deviation Response time Recovery time 0.05 100 3.5 5 2 200 1 10 % / C mV MHz % % ns s 48 Vin; full load; 20 MHz bandwidth Fixed 10 to 100% load No load - full load step change, see note 2 below 125 200 96.0 120 Min Typ 2 150 Max Unit % % % mA % % Fixed ratio; Vout = Vin*K (see product matrix) Vout = Iout*Rout (see product matrix) 48 Vin; full load; 25C Notes 48 V input; no load; 25C <1 ms; see note 2 below See note 1 below
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
Factorized Power
Quarter-Brick Intermediate Bus Converters
Rev. 1.3 Page 3 of 8
PRELIMINARY
SAFETY SPECIFICATIONS
Parameter Isolation voltage Input to output In/Out to chassis Isolation resistance Agency approvals (pending) Min 2,250 1,500 10 cTUVus CE Mark Typ Max Unit Vdc Vdc M Input to output UL/CSA 60950, EN 60950 Low voltage directive Notes Complies with basic insulation requirements
THERMAL SPECIFICATIONS
Parameter Operating junction temperature Storage temperature Temperature limiting Thermal capacity 1 BCM 2 BCM Pin soldering temperature Wave Hand Min -40 -40 125 130 14.3 22.8 500 (260) 750 (390) Typ Max +125 +150 135 Unit C C C Ws/C Ws/C F (C) F (C) <5 sec <7 sec Junction temperature Notes
GENERAL SPECIFICATIONS
Parameter MTBF MIL-HDBK-217F Telcordia TR-NT-000332 Weight Dimensions Min Typ 3,600 4,200 3.7 (104) 2.3 x 1.45 x 0.47 58,4 x 36,8 x 11,9 Max Unit Khrs Khrs oz (g) in mm LxWxH LxWxH Notes 25C, GB; per BCM per BCM
CONTROL SPECIFICATIONS - PRIMARY CONTROL (PC PIN)
Parameter Voltage (P version) Disable voltage (P version) Enable voltage (P version) Enable voltage (M version) Disable voltage (M version) Current limit (P version) 2.4 1.2 Min 4.8 2.4 Typ 5.0 2.5 2.5 1.5 1.5 2.5 3.5 2.9 2.6 Max 5.2 Unit Vdc Vdc Vdc Vdc Vdc mA Source only Notes
Vicor Corporation Tel: 800-735-6200 vicorpower.com
Factorized Power
Quarter-Brick Intermediate Bus Converters
Rev. 1.3 Page 4 of 8
PRELIMINARY
PIN/CONTROL FUNCTIONS +IN / -IN -- DC Voltage Input Pins The "VIC-in-a-Brick" Intermediate Bus Converter (IBC) input voltage range should not be exceeded. The V*I 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. THERMAL MANAGEMENT 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 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 V*I Chip thermal design, please read the "Thermal Management" section of the BCM data sheet.
Quarter-Brick Intermediate Bus Converters Rev. 1.3 Page 5 of 8
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 bidirectional 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.
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.
Vicor Corporation Tel: 800-735-6200 vicorpower.com
Factorized Power
PRELIMINARY
THERMAL MANAGEMENT (Cont.)
90 degree airflow
TM
BCM
0 degree airflow
BCM
TM
Note: Other configurations and orientations are available, including versions with integral heatsinks. Please consult the factory for additional information. Figure 1-- 0 and 90 degree airflow orientations for 1 or 2 BCM configurations
Maximum Operating Ambient Temperature (C)
Maximum Operating Ambient Temperature (C)
130 120 110 100 90 80 70 60 50 40 30 20 10 0 1 2 3 4 5 6 7 8 9 10 11 12 Power Dissipation (W)
1000LFM 850LFM 600LFM 500LFM 400LFM 300LFM 200LFM 100LFM
130 120 110 100 90 80 70 60 50 40 30 20 10 0 1 2 3 4 5 6 7 8 Power Dissipation (W) 9 10 11 12
100LFM 1000LFM 850LFM 600LFM 500LFM 400LFM 300LFM 200LFM
Figure 2-- Maximum operating ambient temp. curves for 1 BCM with 0 degree airflow
Figure 3-- Maximum operating ambient temp. curves for 1 BCM with 90 degree airflow
120 Max. Operating Ambient (C) 110 100 90 80 70 60 50 40 30 20 10 0
100LFM 200LFM 300LFM 600LFM 500LFM 400LFM 1000LFM 850LFM
Maximum Ambient Operating Temperature
130
130 120 110 100 90 80 70 60 50 40 30 20 10 0 Power Dissipation (W)
100LFM 200LFM 1000LFM 850LFM 600LFM 500LFM 400LFM 300LFM
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Power Dissipation (W)
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
Figure 4-- Maximum operating ambient temp. curves for 2 BCM with 0 degree airflow
Figure 5-- Maximum operating ambient temp. curves for 2 BCM with 90 degree airflow
Vicor Corporation Tel: 800-735-6200 vicorpower.com
Factorized Power
Quarter-Brick Intermediate Bus Converters
Rev. 1.3 Page 6 of 8
PRELIMINARY
MECHANICAL DRAWINGS
58.4 2.30
12.52 0.493
SEATING PLANE
TWO OUTSIDE PINS ONLY PRESENT FOR OUTPUT CURRENTS OVER 50 A (PACKAGE 2)
+OUT
+IN
ON/OFF
36.8 1.45
27.94 1.100 15.24 0.600 7.62 0.300
-IN
- OUT 4.4 0.18 TOP VIEW (COMPONENT SIDE)
6.35 0.250
4.1 0.16
50.80 2.000 BOTTOM VIEW
SECOND BCM FOR DUAL BCM MODELS
16.3 0.64
mm NOTES 1. DIMENSIONS ARE inch 2. UNLESS OTHERWISE SPECIFIED, TOLERANCES ARE: .X/(.XX) = +/-0.25/(.01), .XX/(.XXX) = +/-0.13/(.005) o 1.02 (3) PL. 0.040 o 1.52 (4) PL. 0.060
PACKAGING CONFIGURATIONS
PACKAGE STYLE 1 2 DESCRIPTION Single output pins Dual output pins
INPUT FUSE VALUE
Bus Converter Model No. I048C030T015P1 I048C030T021P2 I048C030T030P2 I048C040T020P1 Little Fuse Nano 451/453 Series 6.3 A 8A 12 A 8A 10 A 15 A 12 A 25 A 12 A 15 A 25 A 10 A 20A 8A 12 A 15 A 25 A 12 A 25 A 12 A 25 A 12 A 25 A San-O SV 12/14 5/20 Series Little Fuse 3AB Series
INPUT FUSING V*I Chips are not internally fused in order to provide flexibility in power system configuration. However, input line fusing of V*I Chips must always be incorporated within the power system. The input line fuse should be placed in series with +IN.
I048C040T024P2 I048C040T040P2 I048C060T027P1 I048C060T054P2 I048C080T030P1 I048C080T040P1 I048C080T060P2 I048C096T024P1 I048C096T048P1 I048C120T020P1 I048C120T030P1 I048C120T040P1 I048C120T060P1 I048C160T030P1 I048C160T060P1 I048C240T030P1 I048C240T060P1 I048C480T030P1 I048C480T060P1
Vicor Corporation Tel: 800-735-6200 vicorpower.com
Factorized Power
Quarter-Brick Intermediate Bus Converters
Rev. 1.3 Page 7 of 8
Vicor's comprehensive line of power solutions includes high density AC-DC and DC-DC modules and accessory components, fully configurable AC-DC and DC-DC power supplies, and complete custom power systems.
Information furnished by Vicor is believed to be accurate and reliable. However, no responsibility is assumed by Vicor for its use. Vicor components are not designed to be used in applications, such as life support systems, wherein a failure or malfunction could result in injury or death. All sales are subject to Vicor's Terms and Conditions of Sale, which are available upon request.
Specifications are subject to change without notice. Intellectual Property Notice
Vicor and its subsidiaries own Intellectual Property (issued U.S. and Foreign Patents and pending patent applications) relating to the product described in this data sheet including; * The electrical and thermal utility of the V*I Chip package * The design of the V*I Chip package * The Power Conversion Topology utilized in the V*I Chip package * The Control Architecture utilized in the V*I Chip package * The Factorized Power Architecture. Purchase of this product conveys a license to use it. However, no responsibility is assumed by Vicor for any infringement of patents or other rights of third parties which may result from its use. Except for its use, no license is granted by implication or otherwise under any patent or patent rights of Vicor or any of its subsidiaries. Anybody wishing to use Vicor proprietary technologies must first obtain a license. Potential users without a license are encouraged to first contact Vicor's Intellectual Property Department.
Vicor Corporation 25 Frontage Road Andover, MA, USA 01810 Tel: 800-735-6200 Fax: 978-475-6715 Email Vicor Express: vicorexp@vicr.com Technical Support: apps@vicr.com
Vicor Corporation Tel: 800-735-6200 vicorpower.com
Factorized Power
Quarter-Brick Intermediate Bus Converters P/N 27663
Rev. 1.3 7/04/10M

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