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PRELIMINARY |
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Data Sheet |
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FARMTM |
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Filter/ |
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Autoranging Rectifier Module |
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Up to 1000 Watts |
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Features |
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• EMI filtering |
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• Choice of 500W or 750W modules |
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• 96% Efficiency |
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• Autoranging 115/230Vac input |
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• Microprocessor controlled |
Shown actual size: |
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• Inrush current limiting |
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2.28 x 2.2 x 0.5 in |
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• Mini sized package |
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57,9 x 55,9 x 12,7 mm |
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• Power fail signal |
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• Module enable |
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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.
Absolute Maximum Rating
Parameter |
Rating |
Unit |
L to N voltage |
264 |
Vac |
L to N voltage |
280 |
Vac |
+Out to –Out voltage |
400 |
Vdc |
B OK to –Out voltage |
16 |
Vdc |
EN to –Out voltage |
16 |
Vdc |
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) |
Notes
Continuous 100ms
6 each, 4-40 screw <5 sec; wave solder <7 sec; hand solder
Thermal Resistance and Capacity
Parameter |
Min |
Typ |
Max |
Unit |
Baseplate to sink; flat, greased surface |
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0.16 |
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°C/Watt |
Baseplate to sink; with thermal pad (P/N 20264) |
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0.14 |
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°C/Watt |
Baseplate to ambient |
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8.0 |
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°C/Watt |
Baseplate to ambient; 1000 LFM |
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1.9 |
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°C/Watt |
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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.
Part Numbering
FARM |
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1 |
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C |
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1 |
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Product |
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Type |
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Product Grade |
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Pin Style* |
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Baseplate |
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1 |
= 500/750W |
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C = –20°C to +100°C |
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1= Short Pin |
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1 |
= Slotted |
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2 |
= 750/1000W |
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T = –40°C to +100°C |
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2= Long Pin |
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2 |
= Threaded |
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S= Short ModuMate |
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3 |
= Thru-hole |
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N= Long ModuMate |
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*Pin styles S & N are compatible with the ModuMate interconnect system for socketing and surface mounting.
Vicor Corp. Tel: 800-735-6200, 978-470-2900 Fax: 978-475-6715 |
FARM, Filter/Autoranging Rectifier Module |
Rev. 4.7 |
Page 1 of 12 |
Set your site on VICOR at www.vicorpower.com
PRELIMINARY
Electrical Characteristics
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 up to 5% total harmonic distortion.
MODULE INPUT SPECIFICATIONS (FARM1xxx, FARM2xxx)
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Parameter |
Min |
Typ |
Max |
Unit |
Notes |
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Operating input voltage |
90 |
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132 |
Vac |
Autoranging (doubler mode) |
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Operating input voltage |
180 |
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264 |
Vac |
Autoranging (bridge mode) |
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Input undervoltage |
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90 |
Vac |
No damage |
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AC line frequency |
47 |
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63 |
Hz |
C–Grade |
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AC line frequency |
47 |
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880 |
Hz |
T–Grade |
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Power factor |
0.60 |
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0.65 |
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Typical line |
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Inrush current |
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FARM1xxx |
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30 |
Amps |
264Vac peak line, cold start |
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FARM2xxx |
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60 |
Amps |
264Vac peak line, cold start |
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Input surge withstand |
2kV–50 µs common mode |
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EN61000-4-5 |
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1kV–50 µs differential mode |
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MODULE OUTPUT SPECIFICATIONS
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FARM1xxx |
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FARM2xxx |
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Parameter |
Min |
Typ |
Max |
Min |
Typ |
Max |
Unit |
Notes |
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Output power |
0 |
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500 |
0 |
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750 |
Watts |
90-132Vac |
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Output power |
0 |
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750 |
0 |
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1000 |
Watts |
180-264Vac |
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Efficiency, 120Vac |
94 |
96 |
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94 |
96 |
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% |
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Efficiency, 240Vac |
94 |
96 |
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94 |
96 |
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% |
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Output voltage |
250 |
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370 |
250 |
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370 |
Vdc |
90-264Vac |
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Hold-up capacitance |
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1,800 |
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3,300 |
µF |
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SAFETY SPECIFICATIONS (FARM1xxx, FARM2xxx) |
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Parameter |
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Min |
Typ |
Max |
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Unit |
Notes |
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Safety approvals |
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UL 1950, CSA 22.2 No. 950, |
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TÜV, VDE, EN60950, CE Marked |
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Isolation voltage (in to out) |
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None |
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Isolation provided by DC-DC converter(s) |
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Isolation voltage (I/O to baseplate) |
1500 |
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Volts, rms |
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Leakage current |
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1.2 |
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mA |
264Vac |
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Vicor Corp. Tel: 800-735-6200, 978-470-2900 Fax: 978-475-6715 |
FARM, Filter/Autoranging Rectifier Module |
Rev. 4.7 |
Page 2 of 12 |
Set your site on VICOR at www.vicorpower.com
PRELIMINARY
Electrical Characteristics (continued)
MODULE CONTROL SPECIFICATIONS
Parameter |
Min |
Typ |
Max |
Unit |
Notes |
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AC Bus OK (B OK) |
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Low state resistance |
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15 |
Ω |
To negative output - Bus normal |
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Low state current |
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50 |
mA |
Bus normal |
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High state voltage |
14.8 |
15.0 |
15.2 |
Vdc |
Bus abnormal, 27K internal pull up to 15Vdc (see Fig.11) |
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B OK true threshold |
235 |
240 |
245 |
Vdc |
Output Bus voltage |
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B OK false threshold |
200 |
205 |
210 |
Vdc |
Output Bus voltage |
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Module Enable (EN) |
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Low state resistance |
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15 |
Ω |
To negative output - Converters disabled |
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Low state current |
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50 |
mA |
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High state voltage |
14.8 |
15.0 |
15.2 |
Vdc |
150K internal pull up to 15Vdc (see Fig. 10) |
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Enable threshold |
235 |
240 |
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Vdc |
Output bus voltage |
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Disable threshold |
185 |
190 |
195 |
Vdc |
Output bus voltage |
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AC Bus OK - Module Enable, differential error* |
15 |
17 |
20 |
Vdc |
AC Bus OK and Module Enable thresholds track |
* Tracking error between BUS OK and Enable thresholds
MODULE GENERAL SPECIFICATIONS
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Parameter |
Min |
Typ |
Max |
Unit |
Notes |
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MTBF |
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>1,000,000 |
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Hours |
25˚C, Ground Benign |
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Baseplate material |
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Aluminum |
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Cover |
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Polyetherimide |
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Pin Material |
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Copper, Tin/lead solder dipped |
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Weight |
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3.1(88) |
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Ounces (grams) |
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Size |
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2.28 x 2.2 x 0.5 |
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Inches |
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57,9 x 55,9 x 12,7 |
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(mm) |
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Storage Temperature (C, T-Grade) |
-40 |
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+125 |
°C |
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Operating Temperature (C-Grade) |
-20 |
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+100 |
°C |
Baseplate |
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(T-Grade) |
-40 |
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+100 |
°C |
Baseplate |
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Vicor Corp. Tel: 800-735-6200, 978-470-2900 Fax: 978-475-6715 |
FARM, Filter/Autoranging Rectifier Module |
Rev. 4.7 |
Page 3 of 12 |
Set your site on VICOR at www.vicorpower.com
PRELIMINARY
Operating Characteristics
Vdc output
Strap
Engaged
Enable
B OK
Figure 1—Start-up at 120Vac input
Vdc output
Iac input @2A / mV
Vdc output
Enable
B OK
Figure 2—Start-up at 240Vac input
Vdc output
Iac input @2A / mV
Enable |
Enable |
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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 |
Figure 6—Typical Conducted Emissions |
Vicor Corp. Tel: 800-735-6200, 978-470-2900 Fax: 978-475-6715 |
FARM, Filter/Autoranging Rectifier Module |
Rev. 4.7 |
Page 4 of 12 |
Set your site on VICOR at www.vicorpower.com