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PRM TM Regulator
Features
* 100C baseplate operation * Vin range: 18 - 60 Vdc * Factorized Power * High density: up to 156 W/in3 * Small footprint: 1.64 and 2.08 in2
Size: 1.91 x 1.09 x 0.37 in 48,6 x 27,7 x 9,5 mm
* ZVS buck-boost regulator * Typical efficiency: 95% * 1.35 MHz switching frequency * Low noise operation * Architectural flexibility * Lead free wave solder compatible * Agency approvals
* Height above board: 0.37 in (9.5 mm) * Low weight: 1.07 oz (30.4 g)
Applications
* Solid state lighting * Stadium displays * Industrial controls * Avionics * Underseas * RF Amplifiers * Microprocessor and DSP requiring fast response
Product Overview
The VI BRICK Pre-Regulator Module is a very efficient non-isolated regulator specifically designed to provide a controlled Factorized Bus distribution voltage for powering downstream VI BRICK Voltage Transformation Modules. In combination, VI BRICK PRMs and VTMsTM form a complete DC-DC converter subsystem offering all of the unique benefits of Vicor's Factorized Power Architecture (FPA): high density and efficiency; low noise operation; architectural flexibility; extremely fast transient response; elimination of bulk capacitance at the Point-of-Load (POL); in a thermally enhanced package.
Part Numbering
PR
036
Input Voltage Designator
A
Package Size
480
Output Voltage Designator (=VOUT x10)
T
012
Output Power Designator (=POUT /10)
F
P
Pre-Regulator Module
Product Grade Temperatures (C) Grade T= Operating Storage
Baseplate F = Slotted flange T = Transverse heat sink[a]
[a]Contact
Pin Style P = Through hole
-40 to +100 -40 to +125
factory
Pre-Regulator Module
PR036A480T012FP
vicorpower.com
Rev. 1.1
Page 1 of 13
SPECIFICATIONS
Electrical characteristics apply over the full operating range of input voltage, output load (resistive) and baseplate temperature, unless otherwise specified. All temperatures refer to the operating temperature at the center of the baseplate.
Absolute Maximum Ratings
Parameter +In to -In PC to -In PR to -In IL to -In VC to -In +Out to -Out SC to -Out VH to -Out OS to -Out CD to -Out SG to -Out Continuous output current Continuous output power Operating temperature Storage temperature Values -1.0 to 85.0 -0.3 to 6.0 -0.3 to 9.0 -0.3 to 6.0 -0.3 to 18.0 -0.3 to 59 -0.3 to 3.0 -0.3 to 9.5 -0.3 to 9.0 -0.3 to 9.0 100 2.5 120 -40 to +100 -40 to +125 Unit Vdc Vdc Vdc Vdc Vdc Vdc Vdc Vdc Vdc Vdc mA Adc W C C T-Grade; baseplate T-Grade Notes
Note: Stresses in excess of the maximum ratings can cause permanent damage to the device. Operation of the device is not implied at these or any other conditions in excess of those given in the specification. Exposure to absolute maximum ratings can adversely affect device reliability.
Input Specifications
Parameter Input voltage range Input dV/dt Input undervoltage turn-on Input undervoltage turn-off Input overvoltage turn-on Input overvoltage turn-off Input quiescent current Input current Input reflected ripple current No load power dissipation Internal input capacitance
(Conditions are at 36 Vin, 48 Vf [a], full load, and 25C ambient unless otherwise specified)
Min 18 Typ 36 17 15.2 60 15.9 62 63 0.5 3.5 586 3 5 100 6 65 1 Max 60 1 17.6 Unit Vdc V/s Vdc Vdc Vdc Vdc mA Adc mA p-p W F F Ceramic See Figure 4 for input filter circuit. Source impedance dependent See Figures 3 & 4 PC low Notes
Recommended external input capacitance
[a]
Vf is factorized bus voltage (see Figure 15).
Pre-Regulator Module
PR036A480T012FP
vicorpower.com
Rev. 1.1
Page 2 of 13
SPECIFICATIONS (CONT.)
INPUT WAVEFORMS
Figure 1 -- Vf and PC response from power up
Figure 2 -- Vf turn-on waveform with inrush current - PC enabled
Reflected Ripple Measurement
[a]
VC PC TM IL NC PR +IN
VH SC SG OS NC CD
2.37 k
10 A
+IN
100 F Al-Electrolytic
PRM
+OUT
+ OUT
-IN
-IN
-OUT
- OUT
[a]
See Input Fuse Recommendations section
Figure 3 -- Input reflected ripple current
Figure 4 -- Input filter capacitor recommendation
Pre-Regulator Module
PR036A480T012FP
vicorpower.com
Rev. 1.1
Page 3 of 13
SPECIFICATIONS (CONT.) Output Specifications
Parameter Output voltage range Output power Output current DC current limit Average short circuit current Set point accuracy Line regulation Load regulation Load regulation (at VTM output) Current share accuracy Efficiency Full load Output overvoltage set point Output ripple voltage No external bypass With 10 F capacitor Switching frequency Output turn-on delay From application of power From PC pin high Internal output capacitance Factorized Bus capacitance
(Conditions are at 36 Vin, 48 Vf [a], full load, and 25C ambient unless otherwise specified)
Min 26 0 0 2.6 Typ 48 Max 55 120 2.5 3.3 1.25 0.2 0.2 2.0 10 Unit Vdc W Adc Adc A % % % % % % Vdc % % MHz ms s F F Note Factorized Bus voltage (Vf) set by ROS
2.96 1.5 0.1 0.1 1.0 5 95
IL pin floating Auto recovery Low line to high line No CD resistor Adaptive Loop
See Figure 5,6 & 7
56 1.51 0.42 1.35 74 100 5
59.4 3.5 1.0 1.46 250
1.26
Factorized Bus, see Figure 12 Factorized Bus, See Figure 13 Fixed frequency - across entire operating range See Figure 1 See Figure 2 Ceramic
47
Pre-Regulator Module
PR036A480T012FP
vicorpower.com
Rev. 1.1
Page 4 of 13
SPECIFICATIONS (CONT.)
OUTPUT WAVEFORMS Efficiency vs. Output Current
100 95
Vin 18 V 36 V 60 V
Efficiency vs. Output Current
100 95
Vin 18 V 36 V 60 V
Efficiency (%)
90 85 80 75.
Efficiency (%)
90 85 80 75 70 65
0.00 0.25 0.50 0.75 1.00 1.25 1.50 1.75 2.00 2.25 2.50
0.00 0.25 0.50 0.75 1.00 1.25 1.50 1.75 2.00 2.25 2.50
Output Current (A)
Output Current (A)
Figure 5 -- Efficiency vs. output current at 48 Vf
Figure 6 -- Efficiency vs. output current at 36 Vf
Efficiency vs. Output Current
100 95
Vin 18 V 36 V 60 V
Efficiency (%)
90 85 80 75 70 65
0.00 0.25 0.50 0.75 1.00 1.25 1.50 1.75 2.00 2.25 2.50
Output Current (A)
Figure 7 -- Efficiency vs. output current at 26 Vf
Pre-Regulator Module
PR036A480T012FP
vicorpower.com
Rev. 1.1
Page 5 of 13
SPECIFICATIONS (CONT.)
OUTPUT WAVEFORMS
Figure 8 -- Transient response; PRM alone 36 Vin, 0-2.5-0 A, no load capacitance, local loop
Figure 9 -- Transient response; PRM alone 18 Vin, 0-2.5-0 A no load capacitance, local loop
Figure 10 -- Transient response; PRM alone 60 Vin, 0-2.5-0 A no load capacitance, local loop.
Figure 11 -- PC during fault - frequency will vary as a function of line voltage
Figure 12 -- Output ripple full load no bypass capacitance. Vf = 48 Vdc
Figure 13 -- Output ripple full load 10 F bypass capacitance. Vf = 48 Vdc
Pre-Regulator Module
PR036A480T012FP
vicorpower.com
Rev. 1.1
Page 6 of 13
SPECIFICATIONS (CONT.) General Specifications
Parameter
MTBF MIL-HDBK-217F Agency approvals
Min
Typ 2.2
CTUVus CE Mark RoHS
Max
Unit
Mhrs
Notes
25C, GB UL/CSA 60950-1, EN60950-1 Low voltage directive Complies wih RoHS See Mechanical Drawings, Figures 19 & 20
Mechanical parameters Weight Dimensions Length Width Height Thermal Over temperature shutdown Thermal capacity Baseplate to ambient Baseplate to ambient; 1000 LFM Baseplate to sink; flat, greased surface Baseplate to sink; thermal pad
1.07/30,4 1.91/48,6 1.09/27,7 0.37/9,5 130 135 23.8
8.8 3.0 0.40 0.36
oz/g in/mm in/mm in/mm
140
C Ws/C C/W C/W C/W C/W
junction temperature
Auxiliary Pins
Parameter
VC (VTM Control) Pulse width Peak voltage PC (Primary Control) DC voltage Module disable voltage Module enable voltage Disable hysteresis Current limit Enable delay time Disable delay time IL (Current Limit Adjust) Voltage Accuracy PR (Parallel Port) Voltage Source current External capacitance VH (Auxiliary Voltage) Range Regulation Current SC (Secondary Control) Voltage Internal capacitance External capacitance OS (Output Set) Set point accuracy Reference offset CD (Compensation Device) External resistance
Min 8
12
Typ 12
14
Max 18
18
Unit
ms V Vdc Vdc Vdc mV mA s s V %
Notes
Referenced to -Out Referenced to -In Referenced to -In
4.8 2.3
5.0 2.4 2.5
100
5.2 2.6
1.75
100 1 1
1.90
Source only after start up; not to be used for aux. supply; 100 k minimum load impedance to assure start up.
15 0.5
1 100
Based on DC current limit set point Referenced to SG; See description Page 8
3.5
V mA pF Vdc %/mA mA p Vdc F F % mV
8.7
9.0
0.04
9.3
5
Typical internal bypass C= 0.1 F Maximum external C=0.1 F, referenced to SG
1.23
1.24
0.22
1.25
0.7
Referenced to SG
1.5 4
20
Includes 1% external resistor
Omit resistor for regulation at output of PRM
Pre-Regulator Module
PR036A480T012FP
vicorpower.com
Rev. 1.1
Page 7 of 13
PIN / CONTROL FUNCTIONS
+In / -In DC Voltage Ports
The VI BRICK maximum input voltage should not be exceeded. PRMs have internal over / undervoltage lockout functions that prevent operation outside of the specified input range. PRMs will turn on when the input voltage rises above its undervoltage lockout. If the input voltage exceeds the overvoltage lockout, PRMs will shut down until the overvoltage fault clears. PC will toggle indicating an out of bounds condition.
VH - Auxiliary Voltage
VH is a gated (e.g. mirrors PC), non-isolated, nominally 9 Volt, regulated DC voltage (see "Auxiliary Pins" specifications, on Page 7) that is referenced to SG. VH may be used to power external circuitry having a total current consumption of no more than 5 mA under either transient or steady state conditons including turn-on.
SC - Secondary Control +Out / -Out Factorized Voltage Output Ports
These ports provide the Factorized Bus voltage output. The -Out port is connected internally to the -In port through a current sense resistor. The PRM has a maximum power and a maximum current rating and is protected if either rating is exceeded. Do not short -Out to -In. The load voltage may be controlled by connecting a resistor or voltage source to the SC port referenced to SG. The slew rate of the output voltage may be controlled by controlling the rate-of-rise of the voltage at the SC port (e.g., to limit inrush current into a capacitive load).
SG - Signal Ground VC - VTM Control
The VTM Control (VC) port supplies an initial VCC voltage to downstream VTMs, enabling the VTMs and synchronizing the rise of the VTM output voltage to that of the PRM. The VC port also provides feedback to the PRM to compensate for voltage drop due to the VTM output resistance. The PRM's VC port should be connected to the VTM VC port. A PRM VC port can drive a maximum of two (2) VTM VC ports. This port provides a low inductance Kelvin connection to -In and should be used as reference for the OS, CD, SC,VH and IL ports.
OS - Output Set
The application-specific value of the Factorized Bus voltage (Vf) is set by connecting a resistor between OS and SG. Resistor value selection is shown in Table 1 on Page 9, and described on Page 10. If no resistor is connected, the PRM output will be approximately one volt. If set resistor is not collocated with the PRM, a local bypass capacitor of ~200 pF may be required.
PC - Primary Control
The PRM voltage output is enabled when the PC pin is open circuit (floating). To disable the PRM output voltage, the PC pin is pulled low. Open collector optocouplers, transistors, or relays can be used to control the PC pin. When using multiple PRMs in a high power array, the PC ports must be tied together to synchronize their turn on. During an abnormal condition the PC pin will pulse (Fig.11) as the PRM initiates a restart cycle. This will continue until the abnormal condition is rectified. The PC should not be used as an auxiliary voltage supply, nor should it be switched at a rate greater than 1 Hz.
CD - Compensation Device
Adaptive Loop control is configured by connecting an external resistor between the CD port and SG. Selection of an appropriate resistor value (see Equation 2 on Page 10 and Table 1 on Page 9) configures the PRM to compensate for voltage drops in the equivalent output resistance of the VTM and the PRM-VTM distribution bus. If no resistor is connected to CD, the PRM will be in Local Loop mode and will regulate the +Out / -Out voltage to a fixed value.
TM - Factory Use Only IL - Current Limit Adjust
The PRM has a preset, maximum, current limit set point. The IL port may be used to reduce the current limit set point to a lower value. See "adjusting current limits" on page 11.
PR - Parallel Port
The PR port signal, which is proportional to the PRM output power, supports current sharing of two PRMs. To enable current sharing, PR ports should be interconnected. Bypass capacitance should be used when interconnecting PR ports and steps should be taken to minimize coupling noise into the interconnecting bus. Terminate this port with a 10 k equivalent resistance to SG, e.g. 10 k for a single PRM, 20 k each for 2 PRMs in parallel, 30 k each for 3 PRMs in parallel etc.. Please consult Vicor Applications Engineering regarding additional considerations when paralleling more than two PRMs.
Figure 14 -- VI BRICK PRM pin configuration (viewed from pin side).
Pre-Regulator Module
PR036A480T012FP
vicorpower.com
Rev. 1.1
Page 8 of 13
APPLICATION INFORMATION
Overview of Adaptive Loop Compensation
Adaptive Loop compensation, illustrated in Figure 15, contributes to the bandwidth and speed advantage of Factorized Power. The PRM monitors its output current and automatically adjusts its output voltage to compensate for the voltage drop in the output resistance of the VTM. ROS sets the desired value of the VTM output voltage, Vout; RCD is set to a value that compensates for the output resistance of the VTM (which, ideally, is located at the point of load). For selection of ROS and RCD, refer to Table 1 below or Page 10. The VI BRICK's bi-directional VC port : 1. Provides a wake up signal from the PRM to the VTM that synchronizes the rise of the VTM output voltage to that of the PRM. 2. Provides feedback from the VTM to the PRM to enable the PRM to compensate for the voltage drop in VTM output resistance, RO.
Vo = VL 1.0%
VC PC TM IL NC PR +IN VH SC SG OS NC CD
ROS RCD
Factorized Bus (Vf)
Vf = VL (Io*Ro) + K K
+IN
+OUT
-OUT TM VC PC
PRM
+OUT
VTM
+OUT
Vin
-IN -OUT
-IN
-OUT
L O A D
Figure 15 -- With Adaptive Loop control, the output of the VTM is regulated over the load current range with only a single interconnect between the PRM and VTM and without the need for isolation in the feedback path.
Desired Load Voltage (Vdc) 1.0 1.2 1.5 1.8 2.0 3.0 3.3 5.0 8.0 9.6 10 12 15 24 28 36 48
VI BRICK VTM P/N(1) VT048A015T100FP VT048A015T100FP VT048A015T100FP VT048A020T080FP VT048A020T080FP VT048A030T070FP VT048A040T050FP VT048A060T040FP VT048A080T030FP VT048A096T025FP VT048A120T025FP VT048A120T025FP VT048A160T015FP VT048A240T012FP VT048A320T009FP VT048A480T006FP VT048A480T006FP
Max VTM Output Current (A)(2) 100 100 100 80 80 70 50 40 30 25 25 25 15 12.5 9.4 6.3 6.3
ROS (k)(3) 3.57 2.94 2.37 2.61 2.37 2.37 2.89 2.87 2.37 2.37 2.86 2.37 2.49 2.37 2.74 3.16 2.37
RCD ()(3) 26.1 32.4 39.2 35.7 39.2 39.2 32.6 33.2 32.9 32.9 32.9 39.2 37.4 39.2 35.7 30.1 39.2
Note: (1) See Table 2 on page 10 for nominal Vout range and K factors. (2) See "PRM output power vs. VTM output power" on Page 11 (3) 1% precision resistors recommended Table 1 -- Configure the VI BRICK PRM/VTM for the desired output voltage.
Pre-Regulator Module
PR036A480T012FP
vicorpower.com
Rev. 1.1
Page 9 of 13
APPLICATION INFORMATION
VC PC TM IL NC PR +IN
PRM-AL
VH SC SG OS NC CD +OUT
ROS RCD
Factorized Bus (Vf)
0.4 H
+IN
+OUT
-OUT TM VC PC
VTM
+OUT
Vin
-IN -OUT
Vf =
(IL*Ro) VL + K K
-IN
-OUT
L O A D
Figure 16 -- Adaptive Loop compensation with soft start using the SC port.
Output Voltage Setting with Adaptive Loop
The equations for calculating ROS and RCD to set a VTM output voltage are: 93100 ROS = ( VL * 0.8395 ) - 1 K (1)
Output Voltage Trimming (optional)
After setting the output voltage from the procedure above the output may be margined down (26 Vf min) by a resistor from SC-SG using this formula: 10000 Vfd Vfs - Vfd
Rd =
Where Vfd is the desired factorized bus and Vfs is the set factorized bus. RCD = 91238 ROS VL = Desired load voltage VOUT = VTM output voltage K = VTM transformation ratio (available from appropriate VTM data sheet) Vf = PRM output voltage, the Factorized Bus (see Figure 16) RO = VTM output resistance (available from appropriate VTM data sheet) IL = Load Current (actual current delivered to the load)
Nominal Vout Range (Vdc) 0.8 1.1 1.6 2.2 3.3 4.3 6.5 8.7 13.0 17.4 26.0 1.6 2.2 3.3 4.4 6.6 8.8 13.4 17.9 26.9 36.0 54.0 VTM K Factor 1/32 1/24 1/16 1/12 1/8 1/6 1/4 1/3 1/2 2/3 1
+1
(2)
A low voltage source can be applied to the SC port to margin the load voltage in proportion to the SC reference voltage. An external capacitor can be added to the SC port as shown in Figure 16 to control the output voltage slew rate for soft start.
Table 2 -- 048 input series VTM K factor selection guide
Pre-Regulator Module
PR036A480T012FP
vicorpower.com
Rev. 1.1
Page 10 of 13
APPLICATION NOTES
OVP - Overvoltage Protection
The output Overvoltage Protection set point of the PR036A480T012FP is factory preset for 56 V. If this threshold is exceeded the output shuts down and a restart sequence is initiated, also indicated by PC pulsing. If the condition that causes OVP is still present, the unit will again shut down. This cycle will be repeated until the fault condition is removed. The OVP set point may be set at the factory to meet unique high voltage requirements.
Adjusting Current Limit
The current limit can be lowered by placing an external resistor between the IL and SG ports (see Figure 18 for resistor values). With the IL port open-circuit, the current limit is preset to be within the range specified in the output specifications table on Page 4.
100
PRM Output Power Versus VTM Output Power
As shown in Figure 17, the PR036A480T012FP is rated to deliver 2.5 A maximum, when it is delivering an output voltage in the range from 26 V to 48 V, and 120 W, maximum, when delivering an output voltage in the range from 48 V to 55 V. When configuring a PRM for use with a specific VTM, refer to the appropriate VTM data sheet. The VTM input power can be calculated by dividing the VTM output power by the VTM efficiency (available from the VTM data sheet). The input power required by the VTM should not exceed the output power rating of the PRM.
Resistance (k)
10
1 0 0.5 1 1.5 2 2.5 3
Desired PRM Output Current Limit (A)
2.55 2.50 2.45
Figure 18 -- Calculated external resistor value for adjusting current limit, actual value may vary.
Current (A)
2.40 2.35 2.30 2.25 2.20 2.15
Input Fuse Recommendations
Safe Operating Area
A fuse should be incorporated at the input to the PRM, in series with the +In port. A fast acting fuse, NANO2 FUSE 451/453 Series 10 A 125 V, or equivalent, may be required to meet certain safety agency Conditions of Acceptability. Always ascertain and observe the safety, regulatory, or other agency specifications that apply to your specific application. For agency approvals and fusing conditions, click on the link below: http://www.vicorpower.com/technical_library/technical_documentation/quality_and_ certification/safety_approvals/
0
~ ~
20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50 52 54 56 58 60
Factorized Bus Voltage (Vf)
Figure 17 -- PR036A480T012FP rating based on Factorized Bus voltage
Product Safety Considerations
The Factorized Bus voltage should not exceed an absolute limit of 55 V, including steady state, ripple and transient conditions. Exceeding this limit may cause the internal OVP set point to be exceeded. If the input of the PRM is connected to SELV or ELV circuits, the output of the PRM can be considered SELV or ELV respectively. If the input of the PRM is connected to a centralized DC power system where the working or float voltage is above SELV, but less than or equal to 75 V, the input and output voltage of the PRM should be classified as a TNV-2 circuit and spaced 1.3 mm from SELV circuitry or accessible conductive parts according to the requirements of UL60950-1, CSA 22.2 60950-1, EN60950-1, and IEC60950-1.
Parallel Considerations
The PR port is used to connect two PRMs in parallel to form a higher power array. When configuring arrays, PR port interconnection terminating impedance is 10 k to SG. See note Page 8 and refer to Application Note AN002. Additionally one PRM should be designated as the master while all other PRMs are set as slaves by shorting their SC pin to SG. The PC pins must be directly connected (no diodes) to assure a uniform start up sequence. Consult Vicor applications engineering for applications requiring more than two PRMs.
Application Notes
For PRM and VI BRICK application notes on soldering, board layout, and system design please click on the link below: http://www.vicorpower.com/technical_library/application_information/
Applications Assistance
Please contact Vicor Applications Engineering for assistance, 1-800-927-9474, or email at apps@vicorpower.com.
Pre-Regulator Module
PR036A480T012FP
vicorpower.com
Rev. 1.1
Page 11 of 13
MECHANICAL DRAWINGS
Baseplate - Slotted Flange
Heat Sink (Transverse)
Figure 19 -- Module outline
Recommended PCB Pattern (Component side shown)
Figure 20 -- PCB mounting specifications
Pre-Regulator Module
PR036A480T012FP
vicorpower.com
Rev. 1.1
Page 12 of 13
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 (including issued U.S. and Foreign Patents and pending patent applications) relating to the products described in this data sheet. Interested parties should contact Vicor's Intellectual Property Department. The products described on this data sheet are protected by the following U.S. Patents Numbers: 5,945,130; 6,403,009; 6,710,257; 6,788,033; 6,940,013; 6,969,909; 7,038,917; 7,154,250; 7,166,898; 7,187,263; 7,202,646; 7,361,844; 7,368,957; RE40,072; D496,906; D506,438; D509,472; and for use under U.S. Pat. Nos. 6,975,098 and 6,984,965
Vicor Corporation 25 Frontage Road Andover, MA, USA 01810 Tel: 800-735-6200 Fax: 978-475-6715 email Customer Service: custserv@vicorpower.com Technical Support: apps@vicorpower.com
Pre-Regulator Module
PR036A480T012FP
vicorpower.com
Rev. 1.1
5/08

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