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PRELIMINARY
VICBrick
V*I Chip VICBrick
Features
TM
DC-DC Converters Quarter Brick, 48 Vin Family
1.0 to 5.0 Vdc Output
* Up to 80 A continuous, 100 A surge * 93% efficiency @ 5 Vdc * 100C operating case temperature * 180 W/in3 power density 120 A/in3 * 36 - 75 Vdc input range * 100 V input surge for 100 ms * Low noise ZCS/ZVS architecture * Fast dynamic response * Parallelable, with fault tolerance * 2,250 Vdc basic insulation
Product Overview
VICBrick high-density converters (up to 120 A/in3) are enabled by Vicor's V*I Chip technology. Each VICBrick consists of two V*I Chips: a 36 - 75 Vdc input Pre-Regulator Module (PRM) that is paired with an appropriate Voltage Transformation Module (VTM) chosen to provide the desired output voltage. While the ultra-low profile package conforms to industry-standard quarter-brick footprint (1.45" x 2.28"), it stands only 0.27" high and achieves 80 A of output current. Standard outputs include 1.0, 1.2, 1.5 V and 1.8 V at 80 A, 2.5 V at 60 A, 3.0 and 3.3 V at 45 A, and 5 V at 30 A. Output voltages can be easily trimmed up or down over a wide range. Dual output pins are used for output currents over 50 A. Utilizing breakthrough Sine Amplitude Converter (SAC) technology, VICBricks offer the highest efficiency, lowest noise, fastest transient response and highest power density. And because of the V*I Chips highly integrated functionality, VICBricks have only a fraction of the parts of a typical DC-DC converter.
Absolute Maximum Ratings
Parameter +In to -In voltage Continuous Surge On/Off to -In voltage Isolation voltage Input to output Operating case temperature Pin soldering temperature Wave Hand Rating -1.0 to +75.0 100 -0.6 to +7.0 2,250 -40 to +100 500 (260) 750 (390) Unit Vdc Vdc Vdc Vdc C F (C) F (C) Notes
<100ms Basic insulation Output side of VTM <5 sec <7 sec
Thermal Resistance and Capacity
Parameter VICBrick to ambient; 0 LFM VICBrick to ambient; 200 LFM Thermal capacity Typ 8.0 6.0 22.8 Unit C/W C/W Ws/C
Vicor Corporation Tel: 800-735-6200 vicorpower.com
VICBrick DC-DC Converter
Rev. 1.5
Page 1 of 14
PRELIMINARY
Specifications
PART NUMBERING
D
048
Nominal Input Voltage
C
C = 1/4 Brick
030
Nominal Output Voltage (x10)
T
Product Grade T= -40 to 125C
014
Output Power (x 0.1)
M
Enable Polarity P="+" M="-" (see page 7)
2
Package Style 1 = Single output pins 2 = Dual output pins (see page 3)
N
PRODUCT MATRIX
Model Number
Input Voltage (Vdc) 36 36 36 36 36 36 36 36 - - - - - - - - 75 75 75 75 75 75 75 75
Output Voltage (Vdc) 1.0 1.2 1.5 1.8 2.5 3.0 3.3 5.0
Max Continuous Output Current (Amps) 80* 80* 80 80 60 45 45 30
Typical Full Load Efficiency 83 84 87 88 89 90 91 93
Output Voltage Trim Range (Vdc) 0.90 1.08 1.35 1.62 2.25 2.70 2.97 4.50 - - - - - - - - 1.10 1.32 1.65 1.98 2.75 3.30 3.63 5.50
Fuse Value 5.0 6.3 6.3 6.3 7.0 8.0 7.0 7.0 A A A A A A A A
D048C010T010M2N D048C012T012M2N D048C015T012M2N D048C018T014M2N D048C025T015M2N D048C030T014M1N D048C033T015M1N D048C050T015M1N * 100 A for 100 ms
INPUT FUSING VICBricks are not internally fused in order to provide flexibility in power system configuration. Input line fusing of VICBricks must always be incorporated within the power system. The input line fuse should be placed in series with +IN. Vicor recommends using the Littlefuse Nano 451/453 series for fusing VICBricks. Please refer to the chart above for appropriate fuse values.
Vicor Corporation Tel: 800-735-6200 vicorpower.com
VICBrick DC-DC Converter
Rev. 1.5
Page 2 of 14
PRELIMINARY
Specifications, continued
MECHANICAL DRAWINGS
57.9 2.28
6.8 0.27
(+)IN
(+)OUT (+)SENSE 15.24 0.600
ON/OFF 36.8 1.45 (-)IN
TRIM (-)SENSE (-)OUT
11.43 0.450 7.62 0.300 3.81 0.150
10.8 0.42 3.6 0.14
TOP VIEW (COMPONENT SIDE)
BOTTOM VIEW 50.8 2.00
SEATING PLANE
10.6 0.42 NOTES: 1. DIMENSIONS ARE: mm/INCH. 2. UNLESS OTHERWISE SPECIFIED, TOLERANCES ARE: .X/.XX= 0.5/0.02, .XX/.XXX= 0.25/0.010
o 1.02 (6)PL. 0.040
1.52 o 0.060 (2)PL.
Figure 1-- Mechanical outline and PCB footprint information; single output pin version (package style 1)
57.9 2.28
6.8 0.27
(+)OUT (+)IN (+)OUT (+)SENSE 36.8 1.45 ON/OFF TRIM (-)SENSE (-)IN (-)OUT (-)OUT 7.0 0.27 3.6 0.14 22.86 0.900 19.05 0.750 15.24 0.60011.43 0.450 7.62 0.300
3.81 0.150
TOP VIEW (COMPONENT SIDE) SEATING PLANE
BOTTOM VIEW 50.8 2.00
10.6 0.42
o 1.02 (6)PL. 0.040
o 1.52 0.060 (4)PL.
NOTES: 1. DIMENSIONS ARE: mm/INCH. 2. UNLESS OTHERWISE SPECIFIED, TOLERANCES ARE: .X/.XX= 0.5/0.02, .XX/.XXX= 0.25/0.010
Figure 2-- Mechanical outline and PCB footprint information; dual output pin version (package style 2)
Vicor Corporation Tel: 800-735-6200 vicorpower.com
VICBrick DC-DC Converter
Rev. 1.5
Page 3 of 14
PRELIMINARY
Specifications, continued
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 ON/OFF enable No load power dissipation Recommended external input capacitance 10 150 6 6.0 50 35 33.8 Min 36 Typ 48 Max 75 100 36 Unit Vdc Vdc Vdc Vdc Vdc Vdc % Iin 10 V/s ms ms W F 200 nH maximum source inductance mA p-p (see Fig.3 for test circuit) <100 ms Notes
32.6 76.0
75.0 3
OUTPUT SPECIFICATIONS
Parameter Output voltage accuracy Current limit Average short circuit current Efficiency Output OVP setpoint Line regulation Load regulation Temperature regulation Ripple and noise, p-p Transient response Voltage deviation Recovery time Min Typ 1 125 200 120 0.1 0.1 0.05 Max Unit % % mA % % % % / C No load - full load step change, see note 1 below 2 75 % s Notes 48 V input; no load; 25C
Module dependent, see charts for individual models
Module dependent, see charts for individual models
Note 1: 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
VICBrick DC-DC Converter
Rev. 1.5
Page 4 of 14
PRELIMINARY
Specifications, continued
Input reflected ripple measurement point 1.5 H
+ 48 V 100 _ F
Full Load
Example filter for low input reflected ripple
Input reflected current at full load and 48 Vin Peak-to-peak 36 mA
Figure 3--Typical input reflected ripple, and example input filter design
Figure 4--Output turn-on waveform with input turn-on at full load and 48 Vin
Figure 5-- Output voltage turn-on waveform with ON/OFF enable at full load and 48 Vin.
P-configuration (positive logic) VICBrick
+Out +In + _ ON/OFF -In -Out
Full Load
Figure 6--Test circuit for measuring turn-on times
Vicor Corporation Tel: 800-735-6200 vicorpower.com
VICBrick DC-DC Converter
Rev. 1.5
Page 5 of 14
PRELIMINARY
Specifications, continued
SAFETY SPECIFICATIONS
Parameter Isolation voltage Input to output Isolation resistance Agency approvals (pending) Min 2,250 10 cTUVus CE Mark Typ Max Unit Vdc M Input to output UL/CSA 60950, EN 60950 Low voltage directive Notes Complies with basic insulation requirements
THERMAL SPECIFICATIONS
Parameter Operating case temperature Storage temperature Temperature limiting Thermal capacity Pin soldering temperature Wave Hand Min -40 -40 125 130 22.8 500 (260) 750 (390) Typ Max 100 +150 135 Unit C C C Ws/C F (C) F (C) <5 sec <7 sec Junction temperature, PRM or VTM Notes Measured at output side of VTM
GENERAL SPECIFICATIONS
Parameter MTBF MIL-HDBK-217F Weight Dimensions Min Typ 1,500 3.7 (104) 2.28 x 1.45 x 0.27 57,9 x 36,8 x 6,8 Max Unit khrs oz (g) in mm LxWxH LxWxH Notes 25C, GB
CONTROL SPECIFICATIONS - ON/OFF PIN
Parameter Disable voltage (P version) Enable voltage (P version) Enable voltage (M version) Disable voltage (M version) Min - 0.6 2.8 - 0.6 1.8 Typ Max 1.7 6.2 0.7 6.2 Unit Vdc Vdc Vdc Vdc Notes Referenced to -in Referenced to -in Referenced to -in Referenced to -in
Vicor Corporation Tel: 800-735-6200 vicorpower.com
VICBrick DC-DC Converter
Rev. 1.5
Page 6 of 14
PRELIMINARY
Pin/Control Functions
+IN / -IN -- DC Voltage Input Pins The VICBrick DC-DC Converter input voltage range should not be exceeded. The VICBrick's internal under/over voltage lockout-function prevents operation outside of the normal input range. The VICBrick turns ON within an input voltage window bounded by the "Input under-voltage turn-on" and "Input overvoltage turn-off" levels, as specified. The module 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. The DC resistance of the source should be kept as low as possible. ON/OFF PIN The ON/OFF pin provides the following Enable/Disable functionality: Standard "M" configuration -- If the ON/OFF pin is left floating, the module output is disabled. Once this port is pulled lower than 0.7 Vdc with respect to -IN, the output is enabled. This action can be realized by employing a relay, opto-coupler or open collector transistor. This pin should not be toggled at a rate higher than 1 Hz. Optional "P" configuration -- This is the reverse function from above: when the ON/OFF pin is left floating, the module output is enabled. Once this port is pulled lower than 1.7 Vdc with respect to -IN, the output is disabled. If not using the ON/OFF pin function, perform one of the following to turn the converter on: For M configuration, short ON/OFF pin to -IN. For P configuration, leave ON/OFF pin open.
+OUT / - OUT -- DC Voltage Output Pins The 0.060" 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. Output impedance The very low output impedance of the VICBrick reduces or eliminates the need for limited life aluminum electrolytic or tantalum capacitors at the input of the non-isolated point-of-load converters. +SENSE / -SENSE -- Remote Sense Pins Remote sense minimizes the effects of distributiion losses by regulating the voltage at the remote sense connections.
Vicor Corporation Tel: 800-735-6200 vicorpower.com
VICBrick DC-DC Converter
Rev. 1.5
Page 7 of 14
PRELIMINARY
D048C010T010M2N Specifications
Parameter Setpoint voltage Output current - continuous - surge Input current No load dissipation Current limit
Min 0.990 0
Typ 1.000
110
120
Max 1.010 80 100 4.0 7.0 130
Unit V A A A W A
Note
100 ms
Efficiency vs. Output Current
85 83 81
30
36V 48V 75V
Power Dissipation vs. Output Current
Efficiency
79 77 75 73 71 69 67 65 0 10 20 30 40 50 60 70 80
Power Dissipation (W)
25 20 15 10 5 0 0 10 20 30 40 50 60 70 80
75 V 48 V 36 V
Output Current (A)
Output Current (A)
Efficiency vs. load
Power dissipation vs. load
Output Ripple vs. Load
140 130 120 110 100 90 80 70 60 50 0 10 20 30 40 50 60 70 80
Output Ripple (mV p-p)
Output Current (A)
Output voltage ripple at full load and nominal Vin with no external bypass capacitor. Peak-to-peak 82 mV
Output ripple vs. load with no external bypass capacitance
Vicor Corporation Tel: 800-735-6200 vicorpower.com
VICBrick DC-DC Converter
Rev. 1.5
Page 8 of 14
PRELIMINARY
D048C010T010M2N Specifications (continued)
Transient response 50 - 100%
Transient response 100 - 50%
Vicor Corporation Tel: 800-735-6200 vicorpower.com
VICBrick DC-DC Converter
Rev. 1.5
Page 9 of 14
PRELIMINARY
D048C012T012M2N Specifications
Parameter Setpoint voltage Output current - continuous - surge Input current No load dissipation Current limit
Min 1.188 0 0
Typ 1.200
110
120
Max 1.212 80 100 4.7 7.0 130
Unit V A A A W A
Note
100 ms
Efficiency vs. Output Current
Power Dissipation (W)
86 84 82 80 78 76 74 72 70 68 66 64 0 10 20 30 40 50 60 70 80
36V 48V 75V
Power Dissipation vs. Output Current
30 25 20 15 10 5 0 0 10 20 30 40 50 60 70 80
Efficiency (%)
75V 48V 36V
Output Current (A)
Output Current (A)
Efficiency vs. load
Power dissipation vs. load
Output Ripple vs. Load
120 110
Output Ripple (mV)
100 90 80 70 60 0 10 20 30 40 50 60 70 80
Output Current (A)
Output ripple vs. load with no external bypass capacitance
Vicor Corporation Tel: 800-735-6200 vicorpower.com
VICBrick DC-DC Converter
Rev. 1.5
Page 10 of 14
PRELIMINARY
D048C015T012M2N Specifications
Parameter Setpoint voltage Output current Input current No load dissipation Current limit
Min 1.485 0
Typ 1.500
88
96
Max 1.515 80 4.7 7.0 104
Unit V A A W A
Note Continuous
Efficiency vs. Output Current
90 88 86 84
36Vin 48Vin 75Vin
Power Dissipation vs. Output Current
20 18
75 V 48 V 36 V
Power Dissipation (W)
16 14 12 10 8 6 4 2 0
Efficiency (%)
82 80 78 76 74 72 70 0 10 20 30 40 50 60 70 80
0
10
20
30
40
50
60
70
80
Output Current A)
Output Current (A)
Efficiency vs. load
Power dissipation vs. load
Output voltage ripple at full load and nominal Vin with no external bypass capacitor. Peak-to-peak 82 mV
Vicor Corporation Tel: 800-735-6200 vicorpower.com
VICBrick DC-DC Converter
Rev. 1.5
Page 11 of 14
PRELIMINARY
D048C015T012M2N Specifications (continued)
+ _
6x22 F ceramic capacitors
Load
Example output filter
Output voltage ripple at full load and nominal Vin with 5 (22 f) External bypass capacitor. Peak-to-peak 18.4 mV
Output Ripple vs. Load
85 80 75
Output Ripple (mV)
70 65 60 55 50 45 40 0 10 20 30 40 50 60 70 80
Output Current (A)
Output ripple vs. load with no external bypass capacitance
Vicor Corporation Tel: 800-735-6200 vicorpower.com
VICBrick DC-DC Converter
Rev. 1.5
Page 12 of 14
PRELIMINARY
D048C018T014M2N Specifications
Parameter Setpoint voltage Output current Input current No load dissipation Current limit
Min 1.782 0
Typ 1.800
88
96
Max 1.818 80 5.6 7.0 104
Unit V A A W A
Note Continuous
Efficiency vs. Output Current
90 88 86
36V 48V 75V
Power Dissipation vs. Output Current
22 20
75 48 36
Power Dissipation (W)
10 20 30 40 50 60 70 80
18 16 14 12 10 8 6 4 2 0 0 10 20 30 40 50 60 70
Efficiency (%)
84 82 80 78 76 74 72 70 0
80
Output Current (A)
Output Current(A)
Efficiency vs. load
Power dissipation vs. load
+ _
6x22 F ceramic capacitors
Load
Example output filter
Output voltage ripple at full load and nominal Vin with 7x (22 F) ceramic external bypass capacitor. Peak-to-peak 36 mV
Vicor Corporation Tel: 800-735-6200 vicorpower.com
VICBrick DC-DC Converter
Rev. 1.5
Page 13 of 14
Warranty
Vicor products are guaranteed for two years from date of shipment against defects in material or workmanship when in normal use and service. This warranty does not extend to products subjected to misuse, accident, or improper application or maintenance. Vicor shall not be liable for collateral or consequential damage. This warranty is extended to the original purchaser only. EXCEPT FOR THE FOREGOING EXPRESS WARRANTY, VICOR MAKES NO WARRANTY, EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Vicor will repair or replace defective products in accordance with its own best judgement. For service under this warranty, the buyer must contact Vicor to obtain a Return Material Authorization (RMA) number and shipping instructions. Products returned without prior authorization will be returned to the buyer. The buyer will pay all charges incurred in returning the product to the factory. Vicor will pay all reshipment charges if the product was defective within the terms of this warranty. Information published by Vicor has been carefully checked and is believed to be accurate; however, no responsibility is assumed for inaccuracies. Vicor reserves the right to make changes to any products without further notice to improve reliability, function, or design. Vicor does not assume any liability arising out of the application or use of any product or circuit; neither does it convey any license under its patent rights nor the rights of others. Vicor general policy does not recommend the use of its components in life support applications wherein a failure or malfunction may directly threaten life or injury. Per Vicor Terms and Conditions of Sale, the user of Vicor components in life support applications assumes all risks of such use and indemnifies Vicor against all damages.
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
VICBrick DC-DC Converter
Rev. 1.5
Page 14 of 14 12/04/10M

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