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부품번호 EN1HS3 기능
기능 ENMods Component Power Front End System for EN Compliance
제조업체 Vicor Corporation
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EN1HS3 데이터시트, 핀배열, 회로
PRELIMINARY
45
Features
Harmonic Current Attenuation to
EN61000-3-2
EMI Filtering to
EN55022, Level B
Transient Immunity to
EN61000-4-5
575W Rated Power Output
Autoranging 115/230Vac Input
Microprocessor Control
Inrush Current Limiting
Product Highlights
The ENMods system is a new AC front end
solution for compliance to electromagnetic
compatibility (EMC) standards. It consists of
the MiniHAM — a passive harmonic
attenuation module and the FARM3 — an
auto ranging AC-DC front end module.
Combined with the filtering and hold-up
capacitors as specified herein, the ENMods
system provides full compliance to:
EN61000-3-2 Harmonic Current
EN55022, Level B Conducted Emissions
EN61000-4-5 Surge Immunity
EN61000-4-11 Line Disturbances
Data Sheet
ENModsTM
Component Power
Front End System
for EN Compliance
Each module:
2.28 x 2.2 x 0.5 in
57,9 x 55,9 x 12,7 mm
Absolute Maximum Ratings
Parameter
L to N voltage (FARM3)
L to N voltage (FARM3)
+Out to –Out voltage (FARM3)
BOK to –Out voltage (FARM3)
EN to –Out voltage (FARM3)
Mounting torque
Pin soldering temperature
Pin soldering temperature
Output current
Rating
264
280
400
16
16
4-6(0.45 -0.68)
500 (260)
750 (390)
3.5
Unit
Vrms
Vrms
Vdc
Vdc
Vdc
in-lbs (N-m)
°F (°C)
°F (°C)
A
Notes
Continuous
100ms
6 each, 4-40 screw
<5 sec; wave solder
<7 sec; hand solder
The MiniHAM is the first passive product
specifically designed for compliance to EN
harmonic current limits. Unlike active PFC
solutions, the MiniHAM generates no EMI,
greatly simplifying and reducing system
noise filtering requirements. It is also
considerably smaller and more efficient than
active alternatives and improves MTBF by
an order of magnitude. Optimized for
operation on the DC bus (provided by the
FARM3) rather than directly on the AC line,
it will provide harmonic current compliance
up to 600W of input power at 230Vac.
The 115/230Vac input FARM3 is a new
member of Vicor’s Filter and Autoranging
Module product line that has been optimized
for use as the front end for the MiniHAM.
Both modules are in Vicor’s standard Mini
half-brick package. Together with Vicor’s
1st or 2nd Generation 300V input DC-DC
converters, they form the basis of a low
noise, high efficiency, rugged, simple and
reliable EN compliant power system.
Thermal Resistance
Parameter
Baseplate to sink; flat, greased surface
Baseplate to sink; with thermal pad (P/N 20264)
Baseplate to ambient
Baseplate to ambient; 1000 LFM
Typ
0.16
0.14
8.0
1.9
Unit
°C/Watt
°C/Watt
°C/Watt
°C/Watt
Part Numbering
EN1
C
1
Product
Type*
Product Grade
C = –20°C to +100°C
T = –40°C to +100°C
H = –40°C to +100°C
M = –55°C to +100°C
Pin Style**
1 = Short Pin
2 = Long Pin
S = Short ModuMate
N = Long ModuMate
1
Baseplate
1 = Slotted
2 = Threaded
3 = Thru-hole
*EN1 product includes one each MiniHAM and FARM3 with same product grade, pin and baseplate style.
**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
ENMods System: FARM3 and MiniHAM
Set your site on VICOR at www.vicorpower.com
Rev. 1.3
Page 1 of 12




EN1HS3 pdf, 반도체, 판매, 대치품
Operating Characteristics
PRELIMINARY
Input
L2/N
V1
L1
F1
PE
C1
R1
L1
R3
L2
R2
L3 C2
R4
C3 C4
Output
N
L
PE
Part
C1
C2, C3
C4
F1
F1
L1, L2
L3
R1, R2
R3
R4
V1
Description
Vicor
Part Number
1.0µF
02573
4700pF
01000
0.33µF
00927
6.3A Fuse(5mm) 22985
Fuse Holder 25318
27µH
14563
1.3mH
15016
1000126-10R0
150k, 0.5W 00127-1503
2.2, 2W
25896
MOV
03040
Figure 1b — Input EMI filter for EN55022, Level B compliance
10.00
Harmonic Current
1.00
Odd Harmonic Limits
*Even Harmonic Limits
Measured Values
0.10
0.01
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
Harmonic Number
Figure 2 — Measured harmonic current at 230VAC, 575W vs. EN spec limits
*Measured values of even harmonics are below 0.01A
Vicor Corp. Tel: 800-735-6200, 978-470-2900 Fax: 978-475-6715
ENMods System: FARM3 and MiniHAM
Set your site on VICOR at www.vicorpower.com
Rev. 1.3
Page 4 of 12

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EN1HS3 전자부품, 판매, 대치품
Application Note
PRELIMINARY
The ENMods system 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 ENMods system provides transient/surge immunity, harmonic
current attenuation and EMI filtering, in addition to all of the
power switching and control circuitry necessary for autoranging
rectification, inrush current limiting, and overvoltage protection.
Converter enable and status functions for orderly power up/down
control or sequencing are also provided. To complete the AC front
end configuration, the user only needs to add hold-up capacitors,
a simple EMI filter, and a few discrete components (Fig 1A).
Functional Description (FARM3, see Figures 9 & 10)
Power-Up Sequence.
1.1 Upon application of input power, the hold-up 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.
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. In addition, the converter modules are disabled
via the Enable (EN) line, and Bus-OK (BOK) is high.
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.
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 50 milliseconds after the
thermistor bypass switch is closed.
5.1 Bus-OK is asserted after an additional 50 millisecond
delay to allow the converter outputs to settle within
specification.
Power-Down Sequence. 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
210Vdc.
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 reestablished before the bus reaches the disable
threshold, the power-up sequence is not repeated,
i.e., the power conversion system “rides through”
the momentary interruption.
PTC
Thermistor
L
Strap
+Out
Strap
N
Microcontroller
Out
SR
EN
BOK
Figure 9—Functional block diagram: FARM3 module
Power
Up
90132V
AC Line
Output
Bus
(Vdc)
400
300
200
100
0 1.1
Strap
2.1
PTC
Thermistor
Bypass
Converter
Enable
Bus OK
3.1
50ms
4.1
50ms
5.1
Power
Down
2.2
1.2
Figure 10—Timing diagram: power-up/down sequence
Vicor Corp. Tel: 800-735-6200, 978-470-2900 Fax: 978-475-6715
ENMods System: FARM3 and MiniHAM
Set your site on VICOR at www.vicorpower.com
Rev. 1.3
Page 7 of 12

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EN1HS1

ENMods Component Power Front End System for EN Compliance

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EN1HS2

ENMods Component Power Front End System for EN Compliance

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