FARM1HK3 [VICOR]

Filter/Autoranging Rectifier Module Up to 1000 Watts;
FARM1HK3
型号: FARM1HK3
厂家: VICOR CORPORATION    VICOR CORPORATION
描述:

Filter/Autoranging Rectifier Module Up to 1000 Watts

文件: 总11页 (文件大小:695K)
中文:  中文翻译
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FARM™  
FARMxxxx  
Actual size:  
2.28 x 2.2 x 0.5 in  
57,9 x 55,9 x 12,7 mm  
S
®
C
NRTL US  
C
US  
Filter/Autoranging Rectifier Module Up to 1000 Watts  
Absolute Maximum Rating  
Features & Benefits  
Parameter  
Rating  
Unit  
Notes  
RoHS compliant (with F or G pin style)  
EMI filtering  
264  
280  
400  
VAC  
VAC  
VDC  
Continuous  
100ms  
L to N voltage  
+OUT to OUT voltage  
B OK to OUT voltage  
EN to OUT voltage  
Mounting torque  
Choice of 500W or 750W modules  
96% efficiency  
16  
16  
VDC  
VDC  
Autoranging 115/230VAC input  
Microprocessor controlled  
Inrush current limiting  
Mini sized package  
4 – 6 (0.45 – 0.68)  
40 to 100  
in-lbs (N-m)  
°C  
6 each, 4-40 screw  
H-Grade  
Operating temperature  
Storage temperature  
– 55 to 125  
500 (260)  
750 (390)  
3.5  
°C  
°F (°C)  
°F (°C)  
A
H-Grade  
<5sec; wave solder  
<7sec; hand solder  
Pin soldering temperature  
Power fail signal  
Output current  
Module enable  
Baseplate temperature  
100  
°C  
Product Highlights  
Thermal Resistance and Capacity  
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”.  
Parameter  
Min  
Typ  
Max  
Unit  
Baseplate to sink  
flat, greased surface  
0.16  
0.14  
°C/Watt  
°C/Watt  
with thermal pad (P/N 20264)  
Baseplate to ambient  
Free convection  
8.0  
1.9  
°C/Watt  
°C/Watt  
1000LFM  
The FARM interfaces directly with worldwide  
AC mains and may be used with Vicor  
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  
Part Numbering  
FARM  
1
C
1
1
Type  
1 = 500/750W  
Product Grade Temperatures (°C)  
Grade Operating Storage  
2 = 750/1000W E = –10 to +100 20 to +125  
Pin Style  
1 = Short Pin  
Baseplate  
1 =Slotted  
2 =Threaded  
3 =Thru hole  
Product  
hold-up requirements.  
2 = Long Pin  
C = 20 to +100 40 to +125  
T = 40 to +100 40 to +125  
H = 40 to +100 55 to +125  
S = Short ModuMate [1]  
N = Long ModuMate [1]  
F = Short RoHS [1]  
Vicor 2nd Generation packaging technology  
offers flexible mounting options for various  
manufacturing processes. The FARM may be  
installed as a conventional leaded device  
for onboard applications, inboard for low  
profile, height restricted applications, socketed  
or surface mounted with optional ModuMate  
interconnect products.  
G = Long RoHS [1]  
K = Extra Long RoHS [2]  
[1] Pin styles S, N, F & G are compatible with the ModuMate interconnect system for socketing  
and surface mounting  
[2] Not intended for socket or Surfmate mounting  
FARM™  
Page 1 of 11  
Rev 6.9  
06/2017  
vicorpower.com  
800 927.9474  
FARMxxxx  
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.  
INPUT SPECIFICATIONS (FARM1xxx, FARM2xxx)  
Parameter  
Min  
Typ  
Max  
Unit  
Notes  
Operating input voltage  
low range  
90  
132  
264  
VAC  
VAC  
Autoranging (doubler mode)  
Autoranging (bridge mode)  
high range  
180  
Input undervoltage  
90  
VAC  
No damage  
47  
47  
63  
Hz  
Hz  
C-Grade  
AC line frequency  
Power factor  
880  
T-Grade, H-Grade  
0.60  
Dependent on line source impedance, hold up  
capacitance and load.  
Inrush current  
30  
Amps  
264VAC peak line  
OUTPUT SPECIFICATIONS  
FARM1xxx  
FARM2xxx  
Typ  
Parameter  
Min  
Typ  
Max  
Min  
Max  
Unit  
Notes  
0
0
500  
750  
0
0
750  
Watts  
Watts  
90 – 132VAC  
Output power  
1000  
180 – 264VAC  
Efficiency  
94  
96  
94  
96  
%
VDC  
µF  
120/240VAC  
Output voltage  
250  
370  
250  
370  
90 – 264VAC  
1,750  
2 – 3,300µF in series; HUB3300-S  
2 – 2,200µF in series; HUB2200-S  
External hold-up capacitance  
1,100  
µF  
CONTROL PIN SPECIFICATIONS  
Parameter  
Min  
Typ  
Max  
Unit  
Notes  
AC Bus OK (B OK)  
Low state resistance  
Low state voltage  
High state voltage  
B OK true threshold  
B OK false threshold  
15  
0.1  
Ω
To negative output – Bus normal  
Bus normal 50mA max.  
VDC  
VDC  
VDC  
VDC  
14.0  
235  
200  
15.0  
240  
205  
15.4  
245  
210  
Bus abnormal, 27kΩ internal pull up to 15VDC (see Figure11)  
Output Bus voltage (see Figure 8)  
Output Bus voltage  
Module Enable (EN)  
Low state resistance  
Low state voltage  
High state voltage  
Enable threshold  
Disable threshold  
15  
0.1  
16  
Ω
To negative output – Converters disabled  
50mA max.  
VDC  
VDC  
VDC  
VDC  
12  
14  
150kΩ internal pull up to 15VDC (see Figure 10)  
Output bus voltage (see Figure 8)  
Output bus voltage  
235  
185  
240  
190  
245  
195  
AC Bus OK - Module Enable,  
differential error*  
12  
14  
16  
VDC  
AC Bus OK and Module Enable thresholds track  
* Tracking error between BUS OK and Enable thresholds  
FARM™  
Page 2 of 11  
Rev 6.9  
06/2017  
vicorpower.com  
800 927.9474  
FARMxxxx  
Electrical Characteristics (Cont.)  
ELECTROMAGNETIC COMPATIBILITY  
Parameter  
Standard  
Notes  
2kV50µs Line or neutral to earth  
1kV50µs Line to neutral  
Transient / surge immunity  
EN61000-4-5  
Line disturbance / immunity  
Flicker / inrush  
EN61000-4-11  
EN61000-3-3  
Interruptions and brownouts  
SAFETY SPECIFICATIONS (FARM1xxx, FARM2xxx)  
Parameter  
Min  
Typ  
Max  
Unit  
Notes  
Isolation voltage (IN to OUT)  
None  
Isolation provided by DC-DC converter(s)  
Baseplate earthed  
Dielectric withstand  
(I/O to baseplate)  
2,121  
VDC  
mA  
Leakage current  
1.5  
264 VAC  
AGENCY APPROVALS  
Safety Standards  
Agency Markings  
Notes  
FARM1 xxx  
UL60950, EN60950, CSA 60950  
Baseplate earthed, fast acting line fuse,  
Bussman ABC10 or Wickman 10A 194 series  
Low voltage directive  
cTÜVus  
CE Marked  
FARM2 xxx  
UL60950, EN60950, CSA 60950  
Baseplate earthed, fast acting line fuse,  
Bussman ABC15 or Wickman 16A 194 Series  
Low voltage directive  
cTÜVus  
CE Marked  
GENERAL SPECIFICATIONS  
Parameter  
MTBF  
Min  
Typ  
Max  
Unit  
Notes  
>1,000,000  
Hours  
25˚C, Ground Benign, MIL-HDBK-217F  
Aluminum  
Baseplate material  
®
Ends: Zenite 6130  
Cover  
Center section: Kapton insulated aluminum  
Pin Material  
Style 1 & 2  
Copper, Tin / Lead plated  
Styles S & N (ModuMate compatible)  
Styles F & G (RoHS compliant)  
Copper, Nickel / Gold plated  
Copper, Nickel / Gold plated  
3.1  
Ounces  
(grams)  
Weight  
Size  
(88)  
2.28 x 2.2 x 0.5  
Inches  
(mm)  
(57,9 x 55,9 x 12,7)  
FARM™  
Page 3 of 11  
Rev 6.9  
06/2017  
vicorpower.com  
800 927.9474  
FARMxxxx  
Operating Characteristics  
VDC output  
VDC output  
Strap  
Engaged  
Enable  
Enable  
B OK  
B OK  
Figure 1 — Start up at 120VAC input  
Figure 2 — Start up at 240VAC input  
VDC output  
VDC output  
IAC input @2 A / mV  
IAC input @2A / mV  
Enable  
B OK  
Enable  
B OK  
Figure 3 — Power down, from 120VAC  
Figure 4 — Power down, from 240VAC  
VDC output  
Enable  
B OK  
Figure 6 — Typical Conducted Emissions  
Figure 5 — Output overvoltage protection 240VAC range  
FARM™  
Page 4 of 11  
Rev 6.9  
06/2017  
vicorpower.com  
800 927.9474  
FARMxxxx  
2.1. If the bus voltage is greater than 200V, the doubler is  
Application Note  
not activated.  
The Filtered, Autoranging Rectifier Module (FARM) provides an  
effective solution for the AC frontend 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.  
3.1. If the bus voltage is greater than 235V as the slope  
approaches zero, the inrush limiting thermistor is bypassed.  
Below 235V, it is not bypassed.  
4.1. The converters are enabled ~150 milliseconds  
after the thermistor bypass switch is closed.  
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. To complete the AC front-end  
configuration, the user only needs to add hold-up capacitors, and  
a few discrete components.  
5.1. Bus-OK is asserted after an additional ~150 millisecond delay  
to allow the converter outputs to settle within specification.  
Power Down Sequence: (See Figure 8). When input power  
is turned off or fails, the following sequence occurs as the bus  
voltage decays:  
1.2. Bus-OK is de-asserted when the bus voltage falls below  
205VDC (Typical).  
Functional Description  
2.2. The converters are disabled when the bus voltage  
falls below 190VDC. 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  
re-established before the bus reaches the disable threshold,  
the power up sequence is not repeated, i.e., the power  
conversion system “rides through” the  
Initial Conditions: 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 Figure 7). In addition, the  
converter modules are disabled via the Enable (EN) line, and  
BusOK (BOK) is high.  
momentary interruption.  
Power Up Sequence (See Figure 8):  
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 hold-up  
capacitor value and the thermistor cold resistance. The slope  
(dV/dt) of the capacitor voltage versus time approaches zero  
as the capacitors become charged to the peak of the  
AC line voltage.  
Power  
Up  
Power  
Down  
+OUT  
90 – 132V  
AC Line  
PTC  
Thermistor  
400  
Strap  
300  
200  
100  
0
L
Strap  
Output  
Bus  
1.1  
2.1  
EMI  
Filter  
(VDC  
)
–OUT  
Strap  
N
PTC  
3.1  
4.1  
5.1  
Thermistor  
Bypass  
EN  
Microcontroller  
Converter  
2.2  
BOK  
~150ms  
~150ms  
Enable  
Bus OK  
1.2  
EMI GRD  
Figure 7 — Functional block diagram: autoranging rectifier  
Figure 8 — Timing diagram: power up/down sequence  
FARM™  
Page 5 of 11  
Rev 6.9  
06/2017  
vicorpower.com  
800 927.9474  
FARMxxxx  
Enable (EN) Pin: (See Figure 10) The Enable pin must be  
Application Note (Cont.)  
connected to the PC or Gate-In pin of all converter modules to  
disable the converters during power up. Otherwise, the converters  
would attempt to start while the hold-up capacitors were being  
charged through an unbypassed current limiting 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 150kΩ resistor.  
Off-Line Power Supply Configuration  
The FARM maintains the DC output bus voltage between 250 and  
370VDC over the entire input voltage range, which is compatible  
with Vicor 300V input converters. The FARM automatically  
switches to the proper bridge or doubler mode depending on  
the input voltage, eliminating the possibility of damage due to  
improper line connection. The 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.  
A signal diode should be placed close to and in series with the PC  
or (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 varistors conduct. The thermistor  
bypass switch also opens if a fault or overload reduces the bus  
Strap (ST) Pin: In addition to input and output power pin  
connections, it is necessary to connect the Strap pin to the center  
junction of the series hold-up capacitors (C1, C2, see Figure 9) for  
proper (autoranging) operation. Metal oxide varistors, V1 and  
V2 provide capacitor protection. The bleeder resistors (R1, R2,  
see Figure 9) discharge the hold-up capacitors when power is  
switched off. Capacitors C7 and C8 are recommended if the  
hold-up capacitors are located more than 3 inches (75mm)  
from the FARM output pins.  
voltage to less than 180VDC  
.
CAUTION: There is no input to output isolation in the FARM, hence the  
–OUT of the FARM and thus the –In of the downstream DC-DC  
converter(s) are at a high potential. If it is necessary to provide an external  
enable/ disable function by controlling the DC-DC converters PC pin  
(referenced to the –IN) of the converter an opto-isolator or isolated relay  
should be employed.  
C3  
F1  
R1 C1  
N
N
+
+IN  
C10  
V1  
V2  
EMI GND  
C7**  
C8**  
BOK  
ST  
PC (GATE IN)  
FARM  
Vicor DC-DC  
Converter  
Z1  
C9  
Filter/Autoranging  
Rectifier Module  
D3  
PR  
EN  
N/C  
L
–IN  
L
R2 C2  
F3  
*
PE  
R3  
C4  
D1  
D2  
Vicor  
C5  
Sizing PCB traces:  
Part  
Description  
Part Number  
C1,2  
Hold-up capacitors  
4,700pF (Y2 type)  
Film Cap., 0.61µF  
0.47µF  
All traces shown in bold carry significant  
current and should be sized accordingly.  
C3-C6  
C7,8**  
C9  
01000  
34610  
03047  
F2  
+IN  
N/ST/L  
ꢀN  
10A RMS at 90VAC and 500W  
4 ADC at 190VDC and 750W  
R4  
C11  
C10,C11 0.001µF  
PC (GATE IN)  
D1, 2  
D3, 4  
F1, F2  
Diode  
1N5817  
00670  
26108  
FARM2-xxx  
N/ST/L  
ꢀN  
Vicor DC-DC  
Converter  
20A RMS at 90V and 750W  
8ADC at 190VDC aAnCd 1000W  
D4  
Use recommended fusing for specific  
DC-DC Converters  
150kΩ, 0.5W  
PR  
* See Agency Approvals on FARM data sheet.  
**Required if C1 & C2 are located more than  
3 in (75mm) from output of the FARM.  
***Not used with Vꢀ-260/Vꢀ-J60  
R1, 2  
R3, 4***  
V1,2  
Z1  
–IN  
250Ω  
Not used with Vꢀ-260/Vꢀ-J60  
220VMOV  
30234-220  
30076  
MOV 270  
C6  
To additional modules  
Figure 9 — Offline Power Supply Configuration  
FARM™  
Page 6 of 11  
Rev 6.9  
06/2017  
vicorpower.com  
800 927.9474  
FARMxxxx  
Bus-OK (BOK) Pin: (See Figure 11) The Bus-OK pin is intended  
to provide early-warning power fail information and is also  
referenced to the negative output pin.  
Application Note (Cont.)  
Not used with VI-260/VI-J60  
CAUTION: There is no input-to-output isolation in the FARM. 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 damage the module.  
+IN  
N
+
15 V  
DC  
BOK  
ST  
PC (GATE IN)  
EMI GND  
150k  
Vicor DC-DC  
FARM  
Converter  
Filter: (See Figure 12) An integral input filter consists of a  
common mode choke and Y rated capacitors (line-ground)  
plus two X rated capacitors (line-line). This filter configuration  
provides common mode and differential mode insertion  
loss in the frequency range between 100kHz and 30MHz as  
illustrated in Figure 6.  
N/C  
L
EN  
PR  
Micro-  
controller  
–IN  
Figure 10 — Enable (EN) function  
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 Figure 13). 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 shut down.  
+IN  
+
N
+5VDC  
15VDC  
BOK  
ST  
PC  
EMI GND  
Secondary  
referenced  
Vicor DC-DC  
Converter  
N/C  
PR  
EN  
Micro-  
controller  
–IN  
L
The energy stored on a capacitor which has been charged  
to voltage V is:  
2
ε = 1/2(CV )  
Where:  
(1)  
Figure 11 — Bus OK (BOK) isolated power status indicator  
ε = stored energy  
C = capacitance  
V = voltage across the capacitor  
+
N
330µH  
Energy is given up by the capacitors as they are discharged by  
the converters. The energy expended  
(the power-time product) is:  
L1  
EMI GND  
BOK  
ST  
4.7nF  
4.7nF  
0.099µF  
CM  
0.47µF  
N/C  
L
EN  
2
2
ε = PΔt = C(V1 –V2 ) / 2  
Where: P = operating power  
(2)  
Δt = discharge interval  
Figure 12 — Internal filter  
V = capacitor voltage at the beginning of Δt  
V12 = capacitor voltage at the end of Δt  
Rearranging Equation 2 to solve for the required capacitance:  
2
2
C = 2PΔt / (V1 –V2 )  
(3)  
FARM™  
Page 7 of 11  
Rev 6.9  
06/2017  
vicorpower.com  
800 927.9474  
FARMxxxx  
Example  
Application Note (Cont.)  
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 is 9ms over an  
The power fail warning time (t) is defined as the interval  
between B OK and converter shut down (EN) as illustrated  
in Fig. 13. The Bus-OK and Enable thresholds are 205V and  
190V, respectively. A simplified relationship between power  
fail warning time, operating power, and bus capacitance is  
obtained by inserting these constants:  
input range of 90 to 264VAC  
.
Determining Required Capacitance for Power Fail  
Warning: Figure 14 is used to determine capacitance for a  
given power fail warning time and power level, and shows  
that the total bus capacitance must be at least 820µF. Since  
two capacitors are used in series, each capacitor must be at  
least 1,640µF. Note that warning time is not dependent on line  
voltage. A hold-up capacitor calculator is available on the Vicor  
website, at: vicorpower.com/hubcalc.  
2
2
C = 2PΔt / (205 – 190 )  
C = 2PΔt / (5,925)  
It should be noted that the series combination (C1, C2, See  
Figure 9) requires each capacitor to be twice the calculated  
value, but the required voltage rating of each capacitor 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.  
Determining Ride-through Time: Figure 15 illustrates ride-  
through time as a function of line voltage and output power,  
and shows that at a nominal line of 90VAC, ride-through would  
be 68ms. Ride-through time is a function of line voltage.  
Determining Ripple Voltage on the Hold-up Capacitors:  
Figure 16 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 12Vp-p.  
For example, a converter whose output is 15V and nominal  
input is 300V will provide approximately 56dB ripple rejection,  
i.e., 10Vp-p of input ripple will produce 15mVp-p of output  
ripple (See Figure 17). 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 Figure 13) 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:  
Determining the Ripple on the Output of the DC-DC  
Converter:. Figure 17 is used to determine the approximate  
ripple rejection of the DC-DC converter and indicates a ripple  
rejection of approximately 60dB for a 12V output. Since the  
ripple on the bus voltage is 12VAC and the ripple rejection of  
the converter is 60dB, the output ripple of the converter due to  
ripple on its input (primarily 120Hz) will be 12mVp-p.  
Δt = (π – θ) / 2πf  
Where: f = line frequency  
(4)  
For more information about designing an autoranging  
AC input power supply using the FARM and Vicor DC-DC convert-  
er modules, contact Vicor Applications Engineering at the nearest  
Vicor Technical Support Center, or send email to:  
θ = rectifier conduction angle  
apps@vicorpower.com.  
The approximate conduction angle is given by:  
-1  
Storage  
θ = Cos V2 /V1  
(5)  
Vicor products, when not installed in customer units, should  
be stored in ESD safe packaging in accordance with ANSI/  
ESD S20.20, “Protection of Electrical and Electronic Parts,  
Assemblies and Equipment” and should be maintained in  
a temperature controlled factory/ warehouse environment  
not exposed to outside elements controlled between the  
temperature ranges of 15°C and 38°C. Humidity shall not be  
condensing, no minimum humidity when stored in an ESD  
compliant package.  
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:  
IRMS = 2P/VAC  
Where:  
(6)  
P = operating power level  
AC = operating line voltage  
V
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 14, 15, and  
16, respectively.  
FARM™  
Page 8 of 11  
Rev 6.9  
06/2017  
vicorpower.com  
800 927.9474  
FARMxxxx  
Application Note (Cont.)  
Hold-up Time  
Power Fail  
Warning  
Ripple (Vp-p)  
π θ  
θ
254V  
205V  
190V  
Ride-Through Time  
Fail  
Bus OK  
Power  
Converter  
Shut down  
Figure 13 — Hold-up time  
100  
90  
80  
70  
60  
50  
40  
30  
20  
10  
40  
35  
30  
25  
20  
15  
10  
5
Total  
capacitance  
820μF  
90VAC  
115VAC  
(FARM2XXX)  
(FARM1XXX)  
0
0
250  
500  
750  
1000  
1000  
250  
500  
750  
Operating Power (W)  
Operating Power (W)  
Figure 14 — Power fail warning time vs. operating power  
and total bus capacitance, series combination of  
C1, C2 (See Figure 9)  
Figure 15 — Ride-through time vs. operating power  
30  
25  
20  
15  
10  
5
80  
75  
70  
65  
60  
55  
50  
45  
40  
820μF  
680μF (FARM1XXX)  
(FARM2XXX)  
1100μF  
1300μF  
500  
1600μF  
2200μF  
750  
0
2
5
15  
30  
50  
250  
1000  
Output Voltage  
Operating Power (W)  
Figure 16 — Ripple voltage vs. operating power and bus  
capacitance, series combination of C1, C2  
(See Figure 9)  
Figure 17 — Converter ripple rejection vs. output voltage (typical)  
FARM™  
Page 9 of 11  
Rev 6.9  
06/2017  
vicorpower.com  
800 927.9474  
FARMxxxx  
Mechanical Drawings  
Converter Pins  
0.50 0.02  
No. Function Label  
12,7 0,5  
1
2
3
4
5
6
7
8
9
Neutral  
EMI  
N
GND  
NC  
L
2.20  
55,9  
1.76  
44,7  
0.01  
0.23  
5,8  
(REF)  
style 2 & 3  
baseplates only  
(4X)***  
Line  
–OUT  
Enable  
Strap  
2.000  
50,80  
0.49  
12,4  
0.10  
2,5  
0.12* 0.20**  
3,1 5,1  
0.300 0.015  
7,62 0,38  
0.10  
X 45˚  
2,5  
EN  
ST  
CHAMFER  
1
9
2
8
3
6
4
5
0.35  
0.300 0.015  
(2X)  
(2X)  
0.65  
FULL R (6X)  
8,8  
7,62 0,38  
16,5  
2.28  
57,9  
1.900  
1.30  
33,0  
BUS OK BOK  
+OUT  
Pin C  
ALUMINUM  
BASEPLATE  
L
48,26  
0.130  
(6X)  
+
3,30  
7
Use a 4-40 Screw (6X)  
Torque to:  
0.150  
DIA,(2X)  
DIA,(7X)  
0.43  
10,9  
0.54  
(9X)  
13,7  
0.06  
5 in-lbs  
3,81  
0.080  
2,03  
R
(3X)  
2.20  
55,9  
0.400  
10,16  
0.57 N-m  
1,5  
FULL R (6X)  
(REF.)  
0.700  
17,78  
Pin Style 1&S  
(Short Pin)  
Slotted  
1.000  
0.13  
3,3  
0.62  
(9X)  
15,7  
25,40  
1.400  
35,56  
(6X)  
Pin Style 2&N  
(Long Pin)  
0.71  
(9X)  
18,0  
Pin Style K  
Threaded  
(Extra Long Pin)  
4-40 UNC-2B (6X)  
*
Style 1 baseplate only  
NOTES:  
1.MATERIAL:  
BASE: 6000 SERIES ALUMINUM  
** Style 2 & 3 baseplates  
*** Reserved for Vicor accessories  
Thru Hole  
#30 Drill Thru (6X)  
(0.1285)  
Not for mounting  
COVER: LCP, ALUMINUM 3003 H14  
C
Pin center line  
L
PINS:  
PINS:  
RoHS PINS GOLD PLATE 30 MICRO INCH MIN; NON-RoHS  
TIN/LEAD 90/10 BRIGHT  
2.DIMENSIONS AND VALUES IN BRACKETS ARE METRIC  
3.MANUFACTURING CONTROL IS IN PLACE TO ENSURE THAT THE SPACING  
BETWEEN THE MODULES LABEL SURFACE TO THE PRINTED CIRCUIT BOARD  
OF THE APPLICATION RANGES FROM DIRECT CONTACT (ZERO), TO THE  
MAXIMUM GAP AS CALCULATED FROM THE TOLERANCE STACK-UP  
AND IS NOT SUBJECT NEGATIVE TOLERANCE ACCUMULATION  
Module Outline  
INBOARD  
ONBOARD  
SOLDER  
MOUNT  
SOLDER  
MOUNT  
SHORT PIN STYLE  
0.094 0.003  
LONG PIN STYLE  
0.094 0.003  
2,39 0,08  
0.062 0.010  
PCB THICKNESS  
(7X)  
1,57 0,25  
2,39 0,08  
PLATED  
THROUGH HOLE  
DIA  
0.164 0.003  
4,16 0,08  
0.164 0.003  
4,16 0,08  
THIS SURFACE  
(2X)  
1.790**  
45,47  
0.06  
1,5  
R
(4X)  
0.158  
4,01  
1
2
3
4
5
ALUMINUM  
BASEPLATE  
1.575**  
40,00  
1.900*  
48.,26  
PINS STYLES  
SOLDER:TIN / LEAD PLATED  
9
8
7
6
MODUMATE: GOLD PLATED COPPER  
RoHS: GOLD PLATED COPPER  
0.400*  
10,16  
3
0.53  
13,5  
0.45  
0.45  
11,5  
0.700*  
17,78  
Consult Vicor Application Note:  
Soldering methods and procedures for  
1st and 2nd Generation modules.  
1.000*  
25,40  
1.400*  
35,56  
0.003  
0,08  
* DENOTES TOL =  
0.195  
4,95  
** PCB WINDOW  
PCB Mounting Specifications  
FARM™  
Page 10 of 11  
Rev 6.9  
06/2017  
vicorpower.com  
800 927.9474  
FARMxxxx  
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  
makes no representations or warranties with respect to the accuracy or completeness of the contents of this publication. Vicor reserves  
the right to make changes to any products, specifications, and product descriptions at any time without notice. Information published by  
Vicor has been checked and is believed to be accurate at the time it was printed; however, Vicor assumes no responsibility for inaccuracies.  
Testing and other quality controls are used to the extent Vicor deems necessary to support Vicor’s product warranty. Except where  
mandated by government requirements, testing of all parameters of each product is not necessarily performed.  
Specifications are subject to change without notice.  
Visit http://www.vicorpower.com/ac-dc/input-modules/filter-autoranging-rectifier for the latest product information.  
Vicor’s Standard Terms and Conditions and Product Warranty  
All sales are subject to Vicor’s Standard Terms and Conditions of Sale, and Product Warranty which are available on Vicor’s webpage  
(http://www.vicorpower.com/termsconditionswarranty) or upon request.  
Life Support Policy  
VICOR’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE  
EXPRESS PRIOR WRITTEN APPROVAL OF THE CHIEF EXECUTIVE OFFICER AND GENERAL COUNSEL OF VICOR CORPORATION. As used  
herein, life support devices or systems are devices which (a) are intended for surgical implant into the body, or (b) support or sustain life and  
whose failure to perform when properly used in accordance with instructions for use provided in the labeling can be reasonably expected to  
result in a significant injury to the user. A critical component is any component in a life support device or system whose failure to perform  
can be reasonably expected to cause the failure of the life support device or system or to affect its safety or effectiveness. Per Vicor Terms  
and Conditions of Sale, the user of Vicor products and components in life support applications assumes all risks of such use and indemnifies  
Vicor against all liability and damages.  
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. No license, whether express, implied, or arising by estoppel or otherwise, to any intellectual  
property rights is granted by this document. Interested parties should contact Vicor’s Intellectual Property Department.  
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  
FARM™  
Page 11 of 11  
Rev 6.9  
06/2017  
vicorpower.com  
800 927.9474  

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