FARM Vicor Corporation, FARM Datasheet

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FARM

Manufacturer Part Number
FARM
Description
FARM Filter/ Autoranging Rectifier Module
Manufacturer
Vicor Corporation
Datasheet

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Vicor Corp. Tel: 800-735-6200, 978-470-2900 Fax: 978-475-6715
45
Features
• EMI filtering
• Choice of 500W or 750W modules
• 96% Efficiency
• Autoranging 115/230Vac input
• Microprocessor controlled
• Inrush current limiting
• Mini sized package
• Power fail signal
• Module enable
Product Highlights
The FARM (Filter/Autoranging Rectifier
Module) is an AC front-end module which
provides EMI filtering, autoranging line
rectification and inrush current limiting. The
FARM is available in either 500/750W or
750/1000W models in a mini sized package
measuring only 2.28" x 2.2" x 0.5".
The FARM 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 FARM 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 FARM 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.
Set your site on VICOR at www.vicorpower.com
Data Sheet
FARM
Filter/
Autoranging Rectifier Module
Up to 1000 Watts
Absolute Maximum Rating
Thermal Resistance and Capacity
Part Numbering
PRELIMINARY
*Pin styles S & N are compatible with the ModuMate interconnect system for socketing and surface mounting.
Parameter
L to N voltage
L to N voltage
+Out to –Out voltage
B OK to –Out voltage
EN to –Out voltage
Mounting torque
Pin soldering temperature
Pin soldering temperature
Parameter
Baseplate to sink; flat, greased surface
Baseplate to sink; with thermal pad (P/N 20264)
Baseplate to ambient
Baseplate to ambient; 1000 LFM
FARM
Product
57,9 x 55,9 x 12,7 mm
1 = 500/750W
2 = 750/1000W
FARM, Filter/Autoranging Rectifier Module
Shown actual size:
2.28 x 2.2 x 0.5 in
TM
Type
1
C = –20°C to +100°C
T = –40°C to +100°C
Product Grade
4-6(0.45-0.68)
C
500 (260)
750 (390)
Rating
264
280
400
16
16
Min
1= Short Pin
2= Long Pin
S= Short ModuMate
N= Long ModuMate
0.16
0.14
Typ
8.0
1.9
in-lbs (N-m)
°F (°C)
°F (°C)
Pin Style*
Unit
Vac
Vac
Vdc
Vdc
Vdc
1
Rev. 4.7
Max
Notes
Continuous
100ms
6 each, 4-40 screw
<5 sec; wave solder
<7 sec; hand solder
1 = Slotted
2 = Threaded
3 = Thru-hole
Page 1 of 12
Baseplate
°C/Watt
°C/Watt
°C/Watt
°C/Watt
1
Unit

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FARM Summary of contents

Page 1

... The FARM (Filter/Autoranging Rectifier Module front-end module which provides EMI filtering, autoranging line rectification and inrush current limiting. The FARM is available in either 500/750W or 750/1000W models in a mini sized package measuring only 2.28" x 2.2" x 0.5". The FARM interfaces directly with worldwide AC mains and may be used with ...

Page 2

... Electrical characteristics apply over the full operating range of input voltage, output power 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 total harmonic distortion. MODULE INPUT SPECIFICATIONS (FARM1xxx, FARM2xxx) Parameter Min ...

Page 3

... FARM, Filter/Autoranging Rectifier Module Notes To negative output - Bus normal Bus normal Bus abnormal, 27K internal pull up to 15Vdc (see Fig.11) Output Bus voltage Output Bus voltage To negative output - Converters disabled 150K internal pull up to 15Vdc (see Fig. 10) ...

Page 4

... Vicor Corp. Tel: 800-735-6200, 978-470-2900 Fax: 978-475-6715 Set your site on VICOR at www.vicorpower.com PRELIMINARY Figure 2—Start-up at 240Vac input Vdc output Figure 4—Power down, from 240Vac Figure 6—Typical Conducted Emissions FARM, Filter/Autoranging Rectifier Module Vdc output Enable B OK Vdc output I ac input @ ...

Page 5

... In addition to providing transient/surge immunity and EMI filtering, the FARM 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 ...

Page 6

... FARM1xxx is rated at 500W in the low range (90-132Vac input), and 750W in the high range (180-264Vac input). The FARM2xxx is rated for 750W and 1000W 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 ...

Page 7

... Bus-OK (BOK) Pin. (see Fig. 11) The Bus-OK pin is intended to provide early-warning power fail information and is also referenced to the negative output pin. +In Caution: There is no input to output isolation in the FARM (Gate In) necessary to monitor Bus-OK via an optoisolator Vicor DC-DC used on the secondary (output) side of the converters. A line ...

Page 8

... Figure 15—Ride-through time vs. operating power 30 are the (5) 10 Figure 16—Ripple voltage vs. operating power and bus capacitance, series combination of C1, C2 (see Fig. 9) FARM, Filter/Autoranging Rectifier Module 1300µF 1600µF 2200µF (FARM2XXX) (FARM1XXX) 820µF 680µF 1100µ ...

Page 9

... Example In this example, the output required from the DC-DC converter at the point of load is 12Vdc at 320W. Therefore, the output power from the FARM would be 375W (assuming a converter efficiency of 85%). The desired hold-up time over an input range 264Vac. Determining Required Capacitance for Power Fail Warning ...

Page 10

... MOUNT PIN STYLE 1&S PIN STYLE 2&N 0.094 ±0.003 0.094 ±0.003 (7X) 2,39 ±0,08 2,39 ±0,08 0.164 ±0.003 0.164 ±0.003 (2X) DIA 4,16 ±0,08 4,16 ±0,08 0.158 4,01 1.584* 40,23 0.43 0.53 10,9 13,5 ±0.003 ±0,08 FARM, Filter/Autoranging Rectifier Module 0.01 0.49 2.000 0.10 12,4 2,5 50,80 0.10 2,5 CHAMFER 0.35 (2X) 0.65 FULL R (6X) 8,8 16,5 2.28 1.30 57,9 33,0 0.130 3,30 Use a 4-40 Screw (6X) ...

Page 11

... Notes Vicor Corp. Tel: 800-735-6200, 978-470-2900 Fax: 978-475-6715 Set your site on VICOR at www.vicorpower.com PRELIMINARY FARM, Filter/Autoranging Rectifier Module Rev. 4.7 Page ...

Page 12

... Vicor Corp. Tel: 800-735-6200, 978-470-2900 Fax: 978-475-6715 Set your site on VICOR at www.vicorpower.com 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 FARM, Filter/Autoranging Rectifier Module P/N 22952 Rev. 4.7 4/03/10M ...

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