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45
Features
* Autoranging input * Microprocessor controlled * VI-ARM-1 500 Watts @ 90-132Vac 750 Watts @ 180-264Vac * VI-ARM-2 1000 Watts @ 90-132Vac 1500 Watts @ 180-264Vac * 96-98% Efficiency * 100C baseplate (no derating) * UL, CSA, TUV, VDE, BABT * AC Bus OK, module enable * Inrush limiting (no external circuitry) * CE Marked Typical Applications: systems requiring a rugged, full featured interface to the AC mains in the smallest possible package.
VI-ARM
TM
Autoranging Rectifier Modules Up to 1500 Watts
Actual size: 2.28 x 1.45 x 0.5 in 57,9 x 36,8 x 12,7 mm
Absolute Maximum Ratings
Parameter Rating VI-ARM-1/VI-ARM-2 Unit L to N 264 Vac L to N 280 Vac +Out to -Out 400 Vdc B OK to -Out 16 Vdc EN to -Out 16 Vdc Output power 500/1000 Watts 750/1500 Watts Mounting torque 4 - 6 (0.45 - 0.68) in- lbs (N-m) Pin soldering temperature 500 (260) F (C) Pin soldering temperature 750 (390) F (C) Storage temperature, C-,& T- Grade -40 to +125 C Operating temperature, C- Grade -20 to +100 C Operating temperature, T- Grade -40 to +100 C Notes 100ms
Product Highlights
The ARM (Autoranging Rectifier Module) is an AC front end module which provides autoranging line rectification and inrush current limiting. The ARM is available in either 500/750W or 750/1000W models in a mini sized package measuring only 2.28" x 1.45" x 0.5". The ARM interfaces directly with worldwide AC mains and may be used with Vicor 1st or 2nd Generation 300V input DC-DC converters to realize an autoranging, high density, low profile switching power supply. The ARM includes a microcontroller that continuously monitors the AC line to control bridge/doubler operation. The user need only provide external capacitance to satisfy system hold-up requirements. Vicor 2nd Generation packaging technology offers flexible mounting options for various manufacturing processes. The ARM may be installed as a conventional leaded device for on-board applications, in-board for low profile, height restricted applications, socketed or surface mounted with optional ModuMate interconnect products.
90-132Vac 180-264Vac 6 each, 4-40 screw <5 sec; wave solder <7 sec; hand solder Baseplate Baseplate Baseplate
Thermal Resistance and Capacity
Parameter Baseplate to sink; flat, greased surface Baseplate to sink; with thermal pad (P/N 16495) Baseplate to ambient- free convection Baseplate to ambient; 1000 LFM- forced air Thermal capacity Typ 0.24 0.3 15 2.7 48 Unit C/Watt C/Watt C/Watt C/Watt Watt-sec/C
Part Numbering
VI-ARMProduct
C
1
Type 1 = 500/1000W 2 = 750/1500W
2
Pin Style* 1 = Short 2 = Long S=Short Modumate N=Long Modumate
Product Grade C = -20C to +100C T = -40C to +100C H = -40C to +100C M = -55C to +100C
*Pin styles S & N are compatible with the ModuMate interconnect system for socketing and surface mounting.
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ARM, Autoranging Rectifier Module
Rev. 2.4
Page 1 of 12
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Electrical Characteristics
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. Specifications apply for AC mains having up to 5% total harmonic distortion.
MODULE INPUT SPECIFICATIONS
VI-ARM - 1 Parameter Operating input voltage Operating input voltage Input undervoltage Input surge withstand AC line frequency AC line frequency Input current, rms Input current, rms Power factor Inrush current Holdup capacitance 47 47 0 0 0.60 30 1600 Min 90 180 Typ Max 132 264 90 280 63 880 7.4 5.4 47 47 0 0 0.60 60 3300 Amps F VI-ARM - 2 Min 90 180 Typ Max 132 264 90 280 63 880 14.8 10.8 Unit Vac Vac Vac Vac Hz Hz Amps Amps Notes Autoranging (doubler mode) Autoranging (bridge mode) No damage 100ms C-Grade T-Grade 120Vac 240Vac Typical line voltage condition 264Vac peak line, cold start
MODULE OUTPUT SPECIFICATIONS
VI-ARM - 1 Parameter Output power Output power Efficiency, 120Vac Efficiency, 240Vac Output voltage Min 0 0 94 96 200 96 98 375 Typ Max 500 750
VI-ARM - 2 Min 0 0 94 96 200 96 98 375 Typ Max 1000 1500 Unit Watts Watts % % Vdc 90-264Vac Notes 90-132Vac 180-264Vac
SAFETY SPECIFICATIONS
Parameter Agency approvals Isolation voltage (in to out) Isolation voltage (I/O to baseplate) Leakage current
Min
Typ
Max
Unit
Notes UL 1950, CSA 22.2 No. 950, TUV, VDE, EN60950, CE Marked
None 1500 100 Volts, rms A
Isolation provided by DC-DC converter(s)
No filter
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ARM, Autoranging Rectifier Module
Rev. 2.4
Page 2 of 12
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Electrical Characteristics, continued
MODULE CONTROL SPECIFICATIONS
Parameter AC Bus OK (B OK) On-state resistance (low) On-state current (low) Off-state voltage On-state threshold Off-state threshold Module Enable (EN) On-state resistance (low) On-state current (low) Off-state voltage On-state threshold Off-state threshold Over voltage shutdown AC Bus OK - module enable, differential error*
Min
Typ
Max 15 -50
Unit mA Vdc Vdc Vdc
Notes To negative output - bus normal Bus normal Bus abnormal, 27K internal pull up to 15Vdc (Fig. 10) Output bus voltage Output bus voltage
14.8 235 200
15.0 240 205
15.2 245 210
15 50 14.8 235 200 380 15 15.0 240 205 390 17 15.2 245 210 400 20
mA Vdc Vdc Vdc Vdc Vdc
To negative output - converters are disabled
150K internal pull up to 15Vdc (Fig. 9) Output bus voltage Output bus voltage
AC Bus OK and module enable thresholds track
* Tracking error between BUS OK and Enable thresholds
MODULE GENERAL SPECIFICATIONS
Parameter MTBF Baseplate material Cover Pin material Weight Size
Min
Typ >1,000,000
Max
Unit hours
Notes 25C, ground benign Aluminum Polyetherimide Copper, tin/lead solder dipped
2.1 (60) 2.28 x 1.45 x 0.5 (57,9 x 36,8 x 12,7)
ounces (grams) inches (mm)
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ARM, Autoranging Rectifier Module
Rev. 2.4
Page 3 of 12
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Operating Characteristics
Vdc output
Vdc output
Strap Engaged Enable Enable B OK Enable B OK
Figure 1--Start-up at 120Vac input
Figure 2--Start-up at 240Vac input
Vdc output
Vdc output
Iac input @2A / mV
Iac input @2A / mV
Enable
Enable
B OK
B OK
Figure 3--Power down, from 120Vac
Figure 4--Power down, from 240Vac
Vdc output
Enable B OK
Figure 5--Output overvoltage protection 240Vac range
Vicor Corp. Tel: 800-735-6200, 978-470-2900 Fax: 978-475-6715
ARM, Autoranging Rectifier Module
Rev. 2.4
Page 4 of 12
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Application Note
The VI-ARM Autoranging Rectifier Module (ARM) provides an effective solution for the AC front end of a power supply built with Vicor DC-DC converters. This high performance power system building block satisfies a broad spectrum of requirements and agency standards. The ARM contains all of the power switching and control circuitry necessary for autoranging rectification, inrush current limiting, and overvoltage protection. This module also provides converter enable and status functions for orderly power up/down control or sequencing. To complete the AC front end configuration, the user needs only to add holdup capacitors and a suitable input filter with transient protection. Functional Description The switch that bypasses the inrush limiting PTC (positive temperature coefficient) thermistor is open when power is applied, as is the switch that engages the strap for voltage doubling. (See Fig. 6). In addition, the converter modules are disabled via the Enable (EN) line, and Bus-OK (B OK) is high. Power-Up Sequence. (See Fig. 7).: 1.1 Upon application of input power, the output bus capacitors begin to charge. The thermistor limits the charge current, and the exponential time constant is determined by the holdup capacitor value and the thermistor cold resistance. The slope (dv/dt) of the capacitor voltage approaches zero as the capacitors become charged to the peak of the AC line voltage. 2.2 2.1 If the bus voltage is less than 200V as the slope nears zero, the voltage doubler is activated, and the bus voltage climbs exponentially to twice the peak line voltage. If the bus voltage is greater than 200V, the doubler is not activated. If the bus voltage is greater than 235V as the slope approaches zero, the inrush limiting thermistor is bypassed. Below 235V, the thermistor is not bypassed. The converters are enabled 50 milliseconds after the thermistor bypass switch is closed. Bus-OK is asserted after an additional 50 millisecond delay to allow the converter outputs to settle within specification.
3.1
4.1
5.1
Power-Down Sequence. (See Fig. 7). When input power is turned off or fails, the following sequence occurs as the bus voltage decays: 1.2 Bus-OK is deasserted when the bus voltage falls below 205Vdc (Typ.). The converters are disabled when the bus voltage falls below 200Vdc. If power is reapplied after the converters are disabled, the entire power-up sequence is repeated. If a momentary power interruption occurs and power is reestablished before the bus reaches the disable threshold, the power-up sequence is not repeated.
+Out 90-132V AC Line Strap Strap Output Bus (Vdc) -Out N EN Microcontroller BOK Strap PTC Thermistor Bypass Converter Enable Bus OK
Power Up
Power Down
PTC Thermistor L
400 300 200 100 0
1.1
2.1
3.1 4.1 5.1 2.2 1.2
50ms 50ms
Figure 6--Functional block diagram
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Figure 7--Timing diagram: power up/down sequence
ARM, Autoranging Rectifier Module Rev. 2.4 Page 5 of 12
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Application Note, continued Off-Line Power Supply Configuration
The ARM maintains the DC output bus voltage between 200 and 375Vdc over the entire universal input range, which is compatible with Vicor VI-260 series and VI-J60 series DC-DC converters, as well as next-generation 300V input Vicor converters. The ARM automatically switches to the proper rectification mode (doubled or undoubled) depending on the input voltage, eliminating the possibility of damage due to improper line connection. The ARM-1 is rated at 500W in the low range (90-132Vac input), and 750W in the high range (180-264Vac input). The ARM-2 is rated for 1000W and 1500W for the low and high input ranges respectively. Either of these modules can serve as the AC front end for any number and combination of compatible converters as long as the maximum power rating is not exceeded. Strap (ST) Pin. In addition to input and output power pin connections, it is necessary to connect the Strap pin to the junction of the series holdup capacitors (C1, C2, Fig. 8) for proper (autoranging) operation. Gas tubes across the capacitors provide input transient protection. The bleeder resistors (R1, R2, Fig. 8) discharge the holdup capacitors when power is switched off. Enable (EN) Pin. (See Fig. 9). The Enable pin must be connected to the Gate-In or PC pin of all converter modules to disable the converters during power-up. Otherwise, the converters would attempt to start while the holdup capacitors were being charged through an unbypassed thermistor, preventing the bus voltage from reaching the thermistor bypass threshold thus disabling the power supply. The Enable output (the drain of an N channel MOSFET) is internally pulled up to 15V through a 150k resistor. A signal diode should be placed close to and in series with the Gate-In pin of each converter to eliminate the possibility of control interference between converters. The Enable pin switches to the high state (15V) with respect to the negative output power pin to turn on the converters after the power-up inrush is over. The Enable function also provides input overvoltage protection for the converters by turning off the converters if the DC bus voltage exceeds 400Vdc. The thermistor bypass switch opens if this condition occurs, placing the thermistor in series with the input voltage, which reduces the bus voltage to a safe level while limiting input current in case the gas tubes fire. The thermistor bypass switch also opens if a fault or overload reduces the bus voltage to less than 180Vdc.
Holdup Box (HUB)
820F HUB820-S, 2200F HUB2200-S
C3 F1 +In C10 Gate In (PC) Vicor DC-DC Converter Gate Out (PR) -In R2 C2
1200F HUB1200-S, 2700F HUB2700-S 1800F HUB1800-S, 3300F HUB3300-S
R1 V1
C1
N
Z1
+V VI-ARM BOK EN -V C7* C8*
Filter
ST L
V2
D3
Part
C1,2 C3-6 R1,2 V1,2 F1,2 D1,2 C7,8 * Z1 D3,D4 C10,C11 R3
Description Holdup capacitors 4700pF 150k, 0.5W 220V MOV
3A, PC Tron Diode Film Cap., 0.8f MOV 1N5817 0.001F 500
Vicor Part Number see text 01000 00127-1503 13755
02178 00670
R3
C4
D1 F2
C5
+In C11 D2 D4 Gate Out (PR) -In Gate In (PC) Vicor DC-DC Converter
03040 26108
Sizing PCB traces: All traces shown in bold carry significant current and should be sized accordingly. VI-ARM- _12 N/ST/L 10A rms at 90Vac and 500W 4A DC at 190Vdc and 750W +/- In * VI-ARM- _22 N/ST/L 20A rms at 90Vac and 1000W +/- In 8A DC at 190Vdc and 1500W Required if C1 & C2 are located more than 6 inches from output of VI-ARM.
C6
To additional modules
Figure 8--Converter connections
Vicor Corp. Tel: 800-735-6200, 978-470-2900 Fax: 978-475-6715
ARM, Autoranging Rectifier Module
Rev. 2.4
Page 6 of 12
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Application Note, continued
Bus-OK (B OK) Pin. (See Fig. 10). The Bus-OK pin is intended to provide early-warning power fail information and is also referenced to the negative output pin.
Caution: There is no input to output isolation in the ARM. It is necessary to monitor Bus-OK via an optoisolator if it is to be used on the secondary (output) side of the converters. A line isolation transformer should be used when performing scope measurements. Scope probes should never be applied simultaneously to the input and output as this will destroy the unit.
+In N ST L +V BOK EN -V
Vicor DC-DC Converter
15Vdc 150k Microcontroller
Gate In (PC)
Vico DC-D Conver
Gate Out (PR) -In
To additional modules
Figure 9--Enable (EN) function; See Fig.8 for details
+In
+5 Vdc
Vicor DC-DC Converter
Filter. Two input filter recommendations are shown for low power VI-ARM-1 and high power VI-ARM-2 (See Fig. 11). Both filter configurations provide sufficient common mode and differential mode insertion loss in the frequency range between 100kHz and 30MHz to comply with the Level B conducted emissions limit. Hold-up Capacitors. Hold-up capacitor values should be determined according to output bus voltage ripple, power fail hold-up time, and ride-through time. (See Fig. 12). Many applications require the power supply to maintain output regulation during a momentary power failure of specified duration, i.e., the converters must hold-up or ride-through such an event while maintaining undisturbed output voltage regulation. Similarly, many of these same systems require notification of an impending power failure in order to allow time to perform an orderly shutdown. The energy stored on a capacitor which has been charged to voltage V is:
N ST L
15Vdc 27k Microcontroller
+V BOK EN -V
Secondary referenced
Gate In (PC)
Gate Out (PR) -In
To additional modules
D Co
Figure 10--Bus OK (B OK) isolated power status indicator
R1
Part Description 1.0F 4700pF 0.15F 12A fuse 27H 1.3mH 10 150k, 0.5W 2.2 MOV 03040 00127-1503 Vicor Part Number 02573 01000 03269 05147 14563 15016
L2/N L1 Z1 L1 GND R2 C1 L2 F1 R3
L3
C2 R4
= 1/2(CV2)
Where:
(1)
N ST L
C1 C2, C3 C4 F1
C3
C4
L1, L2 L3 R1, R2 R3
= stored energy C = capacitance V = voltage across the capacitor
Low power filter connections
R4 Z1
Energy is given up by the capacitors as they are discharged by the converters. The energy expended (the power-time product) is:
L2/N
Z1
390K 1/2W
10 1/2W
R2
C1
L3
4700pF
C3
4700pF .22F (X2)
C4
N
C6
= Pt = C(V12-V22) / 2
Where:
(2)
R1
4700pF
C2
4700pF
C5
ST L
L1 F1 L1 L2
L4
GND
Part L1,L4
Description 1000H 12A/6.5M 22H .68f (x type) 4700pf .22f (x type) 390k
1/ W 2
Vicor Part Number 02134 11479 02573 03285 04068
P = operating power t = discharge interval V1 = capacitor voltage at the beginning of t V2 = capacitor voltage at the end of t
High power filter connections
L2, L3 C1 C2,C3,C4,C5 C6 R1 R2 F1 Z1
Rearranging equation 2 to solve for the required capacitance: C = 2Pt / (V12-V22) (3)
10 1/2 W 17A/250V MOV 03040
Figure 11--Filter connections
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ARM, Autoranging Rectifier Module
Rev. 2.4
Page 7 of 12
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Application Note, continued
Hold-up Time Ripple (V p-p) - Power Fail Warning
40
AC Fail Warning Time (ms)
254V 205V 185V Ride-Thru Time
35 30 1300F 25 1100F 20 15 10 5 0 250 820F 1600F 2200F (Arm-2)
* 680F
(Arm-1)
Power Fail
B OK
Converter Shutdown
Figure 12--Hold-up time The holdup time (t) is defined as the interval between power fail warning (B OK) and converter shutdown (EN) as illustrated in Fig. 12. The Bus-OK and Enable thresholds are 205V and 185V, respectively. A simplified relationship between hold-up time, operating power, and bus capacitance is obtained by inserting these constants: C = 2Pt / (2052 - 1852) C = 2Pt / (7,800)
*
500
*
750 1000 1250 1500
Operating Power (W)
Figure 13--Hold-up time vs. operating power and total bus capacitance, series combination of C1, C2 (Fig. 8)
100 90 Total capacitance 820F 90Vac 60 50 40 30 20 10 0 250 115Vac
Hold up Time (ms)
It should be noted that the series combination (C1, C2, Fig. 8) requires each capacitor to be twice the calculated value, but the required voltage rating is reduced to 200V. Allowable ripple voltage on the bus (or ripple current in the capacitors) may define the capacitance requirement. Consideration should be given to converter ripple rejection and resulting output ripple voltage. The ripple rejection (R) of many Vicor converters is specified as a function of the input/output voltage ratio: R = 30 + 20log(Vin / Vout) (4)
80 70
500
750
1000
1250
1500
Operating Power (W)
Figure 14--Ride-through time vs. operating power For example, a converter whose output is 15V and nominal input is 300V will provide 56dB ripple rejection, i.e., 10V p-p of input ripple will produce 15mV p-p of output ripple. (See Fig. 16) Equation 3 is again used to determine the required capacitance. In this case, V1 and V2 are the instantaneous values of bus voltage at the peaks and valleys (see Fig. 12) of the ripple, respectively. The capacitors must hold up the bus voltage for the time interval (t) between peaks of the rectified line as given by: t = ( - ) / 2f Where: f = line frequency = rectifier conduction angle (5)
30
25
* *
P-P Ripple Volts (V)
20
15
10
5
1100F 1300F
820F 1600F 1000
680F (Ver. 12) * 2200F (Ver. 22) 1250 1500
0 250
500
750
The approximate conduction angle is given by: = Cos-1V2/V1 (6)
Operating Power (W)
Figure 15--Ripple voltage vs. operating power and bus capacitance, series combination of C1, C2 (see Fig. 8)
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ARM, Autoranging Rectifier Module
Rev. 2.4
Page 8 of 12
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Application Note, continued
Determining Ripple Voltage on the Hold-up Capacitors. Fig. 15 is used to determine ripple voltage as a function of operating power and bus capacitance, and shows that the ripple voltage across the hold-up capacitors will be 12Vac. Determining the Ripple on the Output of the DC-DC Converter. Fig. 16 is used to determine the ripple rejection of the DC-DC converter and indicates a ripple rejection of approximately 60 dB for a 12 Volt output. If the ripple on the bus voltage is 12Vac and the ripple rejection of the converter is 60 dB, the output ripple of the converter due to ripple on its input (primarily 120Hz) will be 12 mV p-p. Note that 2nd Generation converters have greater ripple rejection then either VI-200s or VI-J00s. For more information about designing an autoranging AC input power supply using the ARM and Vicor DC-DC converter modules, contact Vicor Applications Engineering at the nearest Vicor Technical Support Center (see back cover), or send an E-mail to apps@vicr.com.
80 75
Ripple Rejection (dB)
70 65 60 55 50 45 40 2 5 15 30 50
Output Voltage
Figure 16--Converter ripple rejection vs. output voltage
Another consideration in hold-up capacitor selection is their ripple current rating. The capacitors' rating must be higher than the maximum operating ripple current. The approximate operating ripple current (rms) is given by: I rms = 2P/Vac Where: P = operating power level Vac = operating line voltage (7)
***
Calculated values of bus capacitance for various hold-up time, ride-through time, and ripple voltage requirements are given as a function of operating power level in Figures 13, 14, and 15, respectively.
Example
In this example, the output required at the point of load is 12Vdc at 320 Watts. Therefore, the output power from the ARM would be 375 Watts (assuming a converter efficiency of 85%). The desired hold-up time is 9 ms over an input range of 90 to 264Vac. Determining Required Hold-up Capacitance. Fig. 13 is used to determine hold-up capacitance for a given hold-up time and power level, and shows that the total bus capacitance must be at least 820F. Since two capacitors are used in series, each capacitor must be at least 1,640F. Note that hold-up time is not dependent on line voltage. Determining Ride-through Time. Figure 14 illustrates ridethrough time as a function of line voltage and output power, and shows that at a nominal line of 115Vac, ride-through would be 68 ms. Ride-through time is a function of line voltage.
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ARM, Autoranging Rectifier Module
Rev. 2.4
Page 9 of 12
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Mechanical Drawings
MODULE OUTLINE
0.50 0.02 12,7 0,5
Converter Pins No. Function Label 1 -Out -V 2 Enable EN 3 Bus OK B OK 4 +Out +V 5 Neutral N 6 Strap ST 7 Line L
0.800 20,32 0.525 13,34
0.235.015 5,970,38 (REF)
style 2 & 3 baseplates only (4X)***
0.01
0.275
0.12* 0.20** 3,1 5,08
0.49 12,4
6,99
1.27 32,3
0.490 .015
1
(ALL MARKINGS THIS SURFACE)
2
3
4
12,45 0,38
(REF) 0.27 (2X) 6,9 0.65 16,5 1.30 33,0
0.09 2,3 0.10 X 45 2,5 CHAMFER
0.350.015 8,890,38 (REF)
2.000 50,80
ALUMINUM BASEPLATE
2.28 57,9
FULL R (6X) 0.13 (6X) 3,3
7
6
5
0.080 DIA. (7X) 2,03 0.400 10,16 1.04 26,4 1.45 36,8
0.43 10,9 0.54 (7X) 13,7
R
0.06 (3X) 1,5
Slotted (Style 1) Slotted (Style 1) or or Threaded (Style 2)
4-40 UNC-2B (6X)
0.21 5,2 (REF)
Pin Style 1&S
(Short Pin)
1.45 36,8 (REF.)
Use a 4-40 Screw (6x) Torque to: 5 in-lbs 0.57 N-m
0.62 (7X) Pin Style 2&N 15,7 (Long Pin)
or Thru Hole (Style 3)
#30 Drill Thru (6X) (0.1285)
* Style 1 baseplate only ** Style 2 & 3 baseplates *** Reserved for Vicor accessories Not for mounting
PCB MOUNTING SPECIFICATIONS
PCB THICKNESS 0.062 0.010 1,57 0,25
0.800* 20,32 0.525* 13,34 0.275* 6,99 0.170* 4,32 PLATED THRU HOLE DIA 0.133 3,38 1 2 3 4 INBOARD SOLDER MOUNT PIN STYLE 1&S 0.094 0.003 2,39 0,08 ONBOARD SOLDER MOUNT PIN STYLE 2&N 0.094 0.003 2,39 0,08
(7X)
ALL MARKINGS THIS SURFACE
2.000* 50,80
1.734** 44,04
ALUMINUM BASEPLATE PINS STYLES STYLE 1 & 2: TIN/LEAD HOT SOLDER DIPPED STYLE S & N: GOLD PLATED COPPER
7 0.06 (4X) 1,5
6
5
R
.400* 10,16 1.140** 28,96
*DENOTES TOL = 0.003 0,08 **PCB WINDOW
0.43 10,9
0.53 13,5
Unless otherwise specified, dimensions are in inches mm Decimals 0.XX 0.XXX Tol. 0.01 0,25 0.005 0,127 1 Angles
Vicor Corp. Tel: 800-735-6200, 978-470-2900 Fax: 978-475-6715
ARM, Autoranging Rectifier Module
Rev. 2.4
Page 10 of 12
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Notes
Vicor Corp. Tel: 800-735-6200, 978-470-2900 Fax: 978-475-6715
ARM, Autoranging Rectifier Module
Rev. 2.4
Page 11 of 12
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Vicor's comprehensive line of power solutions includes modular, high density DC-DC converters and accessory components, configurable power supplies, and custom power systems.
Information furnished by Vicor is believed to be accurate and reliable. However, no responsibility is assumed by Vicor for its use. No license is granted by implication or otherwise under any patent or patent rights of Vicor. 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.
45
Component Solutions for Your Power System
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 Corp. Tel: 800-735-6200, 978-470-2900 Fax: 978-475-6715
ARM, Autoranging Rectifier Module
P/N 23498
Rev. 2.4
4/03/10M
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