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參數(shù)資料
| 型號(hào)： | ADDC02812 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | 28 V/100 W DC/DC Converters(帶積分EMI濾波器的DC-DC轉(zhuǎn)換器) |
| 中文描述： | 中西區(qū)區(qū)議會(huì)28 V/100 / DC轉(zhuǎn)換器（帶積分的EMI濾波器的的DC - DC轉(zhuǎn)換器） |
| 文件頁(yè)數(shù)： | 15/20頁(yè) |
| 文件大?。?/td> | 208K |
| 代理商： | ADDC02812 |
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ADDC02812DA/ADDC02815DA
REV. A
–15–
CE 102
: T his test measures emissions in the frequency range
between 10 kHz and 10 MHz. T he measurements are made on
both of the input leads of the converter which are connected to
the power source through LISNs. T he intent of this requirement
in the lower frequency portion of the requirement is to ensure
that the dc/dc converter does not corrupt the power quality
(allowable voltage distortion) on the power buses present on the
platform. At higher frequencies, the intent is to serve as a sepa-
rate control from RE102 on potential radiation from power
leads which may couple into sensitive electronic equipment.
Figure 14 shows the CE102 limit and the measurement taken
from the +V
IN
line. While the measurement taken from the
input return line is slightly different, both comfortably meet the
MIL-ST D-461D, CE102 limit.
CS101
: T his test measures the ability of the converter to reject
low frequency differential signals, 30 Hz to 50 kHz, injected on
the dc inputs. T he measurement is taken on the output power
leads. T he intent is to ensure that equipment performance is not
degraded from ripple voltages associated with allowable dis-
tortion of power source voltage waveforms. Figure 10 shows a
typical audio susceptibility graph. Note that according to the
MIL-ST D-461D test requirements, the injected signal between
30 Hz and 5 kHz has an amplitude of 2 V rms and from 5 kHz
to 50 kHz the amplitude decreases inversely with frequency to
0.2 V rms. T he curve of the injected signal should be multiplied
by the audio susceptibility curve to determine the output ripple
at any frequency. When this is done, the worst case output
ripple at the frequency of the input ripple occurs at 5 kHz, at
which point there is typically a 25 mV peak-to-peak output
ripple.
It should be noted that MIL-ST D-704 has a more relaxed
requirement for rejection of low frequency differential signals
injected on the dc inputs than MIL-ST D-461D. MIL-ST D-
704 calls for a lower amplitude ripple to be injected on the input
in a narrower frequency band, 10 Hz to 20 kHz.
CS114
: T his test measures the ability of the converter to operate
correctly during and after being subjected to currents injected
into bulk cables in the 10 kHz to 400 MHz range. Its purpose is
to simulate currents that would be developed in these cables due
to electromagnetic fields generated by antenna transmissions.
T he converter is designed to meet the requirements of this test
when the current is injected on the input power leads cable.
Consult factory for more information.
CS115
: T his test measures the ability of the converter to oper-
ate correctly during and after being subjected to 30 ns long
pulses of current injected into bulk cables. Its purpose is to
simulate transients caused by lightning or electromagnetic
pulses. T he converter is designed to meet this requirement
when applied to its input power leads cable. Consult factory for
more information.
CS116
: T his test measures the ability of the converter to oper-
ate correctly during and after being subjected to damped sinu-
soid transients in the 10 kHz to 100 MHz range. Its purpose is
to simulate current and voltage waveforms that would occur
when natural resonances in the system are excited. T he con-
verter is designed to meet this requirement when applied to its
input power leads cable. Consult factory for more information.
RE 101
: T his requirement limits the strength of the magnetic
field created by the converter in order to avoid interference with
sensitive equipment located nearby. T he measurement is made
from 30 Hz to 100 kHz. T he most stringent requirement is for
the Navy. Figure 15 shows the test results when the pickup coil
is held 7 cm above the converter. As can be seen, the converter
easily meets this requirement.
RE 102
: T his requirements limits the strength of the electric
field emissions from the power converter to protect sensitive
receivers from interference. T he measurement is made from
10 kHz to 18 GHz with the antenna oriented in the vertical
plane. For the 30 MHz and above range the standard calls for
the measurement to be made with the antenna oriented in the
horizontal plane, as well.
In a typical power converter system setup, the radiated emis-
sions can come from two sources: (1) the input power leads as
they extend over the two meter distance between the LISNs and
the converter, as required for this test, and (2) the converter
output leads and load. T he latter is likely to create significant
emissions if left uncovered since minimal EMI filtering is pro-
vided at the converter’s output. It is typical, however, that the
power supply and its load would be contained in a conductive
enclosure in applications where this test is applicable. A metal
screen enclosure was therefore used to cover the converter and
its load for this test.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| ADDC02828SA | 28 V/100 W DC/DC Converter with Integral EMI Filter |
| ADDC02828SATV | 28 V/100 W DC/DC Converter with Integral EMI Filter |
| ADDC02828SAKV | JT 7C 7#20 PIN GRND PLUG |
| ADDC02828 | 270V/100W DC/DC Converter with Integral EMI Filter(帶積分EMI濾波器的DC-DC轉(zhuǎn)換器) |
| ADDS-21XX-EZLITE | RIBBON CABLE, RND/FLAT, 50WAY, PER M; Cores, No. of:50; Conductor make-up:7/36AWG; Impedance:75R; Pitch:1.27mm; Voltage rating, AC:300V; Colour:Grey; Approval Bodies:UL, CSA; Area, conductor CSA:0.072mm2; Cable UL style number:UL RoHS Compliant: Yes |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ADDC02812DA | 制造商:AD 制造商全稱:Analog Devices 功能描述:28 V/100 W DC/DC Converters with Integral EMI Filter |
| ADDC02812DAKV | 制造商:AD 制造商全稱:Analog Devices 功能描述:28 V/100 W DC/DC Converters with Integral EMI Filter |
| ADDC02812DATV | 制造商:AD 制造商全稱:Analog Devices 功能描述:28 V/100 W DC/DC Converters with Integral EMI Filter |
| ADDC02812DATV/883B | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:DC-to-DC Voltage Converter |
| ADDC02812DATV/QMLH | 制造商:AD 制造商全稱:Analog Devices 功能描述:28 V/100 W DC/DC Converters with Integral EMI Filter |
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