MQME-270-P Passive Filter
H igH R eliability e Mi F ilteR
-400V to +400V
Continuous Input
2A
Output Current
1.6Ω @ 125°C
Max. DC Resistance
to
>80dB @ 500kHz
Differential Attenuation
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F ull P oweR o PeRation : -55ºC + 125ºC The MilQor® series of high-reliability EMI filters brings SynQor’s field proven technology and manufacturing expertise to the Military/Aerospace industry. SynQor’s innovative QorSeal™ packaging approach ensures survivability in the most hostile environments. Compatible with the industry standard format, these filters have high differential-mode and common-mode attenuation, low DC resistance, and a stabilizing bulk capacitor resistor. They follow conservative component derating guidelines and they are designed and manufactured to comply with a wide range of military standards
Design Process
MQ
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MQME series filters are: • Designed for reliability per NAVSO-P3641-A guidelines • Designed with components derated per: — MIL-HDBK-1547A — NAVSO P-3641A
DesigneD & ManufactureD in the usa featuring Qorseal™ hi-rel asseMbly
Features
Qualification Process
MQME series filters are qualified to: • MIL-STD-810F — consistent with RTCA/D0-160E • SynQor’s First Article Qualification — consistent with MIL-STD-883F • SynQor’s Long-Term Storage Survivability Qualification • SynQor’s on-going life test
• 2A output current • Very low DC resistance • > 80dB differential-mode attenuation at 500kHz • > 60dB common-mode attenuation at 500kHz • Stabilizing bulk capacitor and damping resistor included • All capacitors are X7R multi-layer ceramic • Designed to meet all MIL-STD 461 EMI and most RTCA/ D0-160E Section 22 lightning requirements
In-Line Manufacturing Process
Specification Compliance
• AS9100 and ISO 9001:2000 certified facility • Full component traceability • Temperature cycling • Constant acceleration • 24, 96, 160 hour burn-in • Three level temperature screening
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MQME series filters (with MQFL converters) are designed to meet: • MIL-HDBK-704-8 (A through F) • RTCA/DO-160E Section 16 • MIL-STD-1275B • DEF-STAN 61-5 (part 6)/5 • MIL-STD-461 (C, D, E) • RTCA/DO-160E Section 22
Doc.# 005-2ME027P Rev. 2 03/16/09
Product # MQME-270-P
www.synqor.com
Page 1
MQME-270-P Current: 2A
Technical Specification
BLOCK DIAGRAM
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POSITIVE INPUT POSITIVE OUTPUT PINS 1, 2, 3
RDAMPING
PINS 10, 11, 12
PINS 4, 5, 6
CBULK
PINS 7, 8, 9
INPUT RETURN
OUTPUT RETURN
TYPICAL CONNECTION DIAGRAM
Product # MQME-270-P
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-2ME027P Rev. 2
03/16/09
Page 2
MQME-270-P Current: 2A
Technical Specification
MQME-270-P Electrical Characteristics
Parameter
ABSOLUTE MAXIMUM RATINGS Input Voltage Continuous
Min. Typ. Max. Units Notes & Conditions
Vin=270V DC ±5%, Iout= 2A unless otherwise specified
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See Note 1 -800 800 V Transient (≤1 s) -1000 -500 1000 500 3 V Isolation Voltage (I/O to case, I to O) Continuous Transient (≤1 s) V -1000 -55 1000 125 135 V Output Current A Operating Case Temperature Storage Case Temperature Lead Temperature (20 s) Input Voltage °C -65 °C °C 300 ELECTRICAL CHARACTERISTICS Continuous -400 400 V See Note 1 for negative limits " 1, 2, 3 Transient (≤1 s, RS* = 0 Ω) Transient (≤100 ms, RS* = 0 Ω) Output Voltage (continuous) -500 500 V V V -1000 1000 See Note 1 Output Current (continuous) Vout = Vin - (Iin x Rdc) 2 1.2 1, 2, 3 1, 2, 3 1 3 A DC Resistance RDC TCASE = 25°C TCASE = 125°C TCASE = 25°C Ω 1.6 4.8 Ω Power Dissipation (2A output current) TCASE = 125°C W W 6.4 1, 2, 3 Total Differential-Mode Capacitance Total Common-Mode Capacitance Bulk Capacitor Damping Capacitor 1 µF Measured across input or output pins Measured between any pin to case 0.44 0.8 20 µF µF Ω Noise Attenuation See Figure 1 INPUT VOLTAGE SPIKE SUPPRESSION Output Voltage Deviation due to a Spike 2 Input Voltage Spike (Centered on Vin) ±200V, 10µs, Rs ≤ 0.5Ω | Q | ≤ 250µC -50 150 ΔV MIL-STD-461C (CS06) ±600V, 10µs, Rs = 50Ω -50 150 ΔV MIL-STD-461C (CS06) ISOLATION CHARACTERISTICS Isolation Voltage (any pin to case) Continuous -500 100 500 V 1 Transient (≤ 100 µs) -800 800 V Isolation Resistance (any pin to case) MΩ 1
Product # MQME-270-P Phone 1-888-567-9596 www.synqor.com Doc.# 005-2ME027P Rev. 2 03/16/09 Page 3
Subgroup3
Group A
MQME-270-P Current: 2A
Technical Specification
MQME-270-P Electrical Characteristics (Continued)
Parameter
RELIABILITY CHARACTERISTICS Calculated MTBF (MIL-STD-217F2) GB @ Tcase = 70ºC AIF @ Tcase = 70ºC
Min. Typ. Max. Units Notes & Conditions
Vin=270V DC ±5%, Iout= 2A unless otherwise specified
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TBD TBD Demonstrated MTBF TBD 79 106 Hrs. 106 Hrs. 106 Hrs. g WEIGHT CHARACTERISTICS Device Weight Electrical Characteristics Notes 1. While the filter will survive these input voltage limits, the filter's output voltage will be outside the limits for an MQFL converter input voltage range. 2. Verified by qualification testing and analysis. 3. Only the ES and HB grade products are tested at three temperatures. The B and C grade products are tested at one temperature. Please refer to the Construction and Environmental Stress Screening Options table for details. * Rs = Source Impedance
Product # MQME-270-P Phone 1-888-567-9596 www.synqor.com Doc.# 005-2ME027P Rev. 2 03/16/09
Subgroup3
Group A
Page 4
MQME-270-P Current: 2A
Technical Specification
20 0 -20 100
Output Impedance Magnitude (ohms)
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Attenuation (dB)
-40 -60 -80 1 -100 -120 -140 -160 -180 0.1 Common Mode Differential Mode 0.1 1 0.01 0.01 10 100 1000 10000 100000 0.01 0.1 1 10 100
10
1000
Frequency (kHz)
Frequency (kHz)
Figure 1: Typical Common Mode and Differential Mode Attenuation provided by the filter as a function of frequency. Both input lines are connected to chassis ground through 50ohm resistors. The filter case is also connected to chassis ground.
Figure 2: Typical Output Impedance (magnitude) of the filter looking back into its output pins with the input pins connected to a source with zero source impedance.
Figure 3: MIL-STD-461E Method CE101 Low Frequency Conducted Emissions. Limit line (in red) is the ‘Submarine Applications DC Curve’.
Figure 4: MIL-STD-461E Method CE102 High Frequency Conducted Emissions. Limit line (in red) is the ‘Basic Curve’.
Figure 5: MIL-STD-461E Method RE101 Low Frequency Radiated Emissions. Limit line (in red) is the ‘Standard Curve’ from MIL-STD461C Method RE01, which is more strict than all RE101 limits.
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Figure 6: MIL-STD-461E Method RE102 High Frequency Radiated Emissions. Limit line (in red) is the ‘Submarine External to Pressure Hull Curve’.
Doc.# 005-2ME027P Rev. 2 03/16/09
Product # MQME-270-P
www.synqor.com
Page 5
MQME-270-P Current: 2A
Technical Specification
The MQME-270-P is a multi-stage differential-mode and commonmode passive EMI filter designed to interface a power source with one or more SynQor DC/DC converters (or other loads that create EMI). Each stage of this filter is well damped to avoid resonances and oscillations, and only X7R multi-layer ceramic capacitors are used. Figure 1 shows the typical differential and common-mode attenuation provided by this filter when the source impedance is 50Ω to chassis ground on each input line.
BASIC OPERATION AND FEATURES
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Product # MQME-270-P Phone 1-888-567-9596 www.synqor.com Doc.# 005-2ME027P Rev. 2 03/16/09
When used with SynQor’s DC/DC converters, the MQME-270-P EMI filter is designed to pass all of the relevant MIL-STD-461C/D/E requirements to their most stringent limits. The MIL-STD-461 Compliance Matrix Table on Page 7 lists these requirements and describes the setup used to pass them. Figures 3 - 6 show results from selected conductive and radiated emissions tests.
The filter is also designed to pass the waveform types and applications specified in RTCA/DO-160E Section 22 (Lightning The MQME-270-P EMI filter includes a large bulk capacitor (also Induced Transient Susceptibility) to Level 4 (some waveforms/ X7R) with a series damping resistor to correct for the unstabilizing applications require the MQME-270-T filter and/or external effect of a converter’s negative input resistance. A white paper transient suppression circuitry). The Section 22 Compliance Matrix discussing this negative input resistance and the need for corrective Table on Page 9 lists these waveforms and applications and damping can be found on the SynQor website (see Input System describes the setup used to pass them. Instability application note). Figure 2 shows the magnitude of the filter’s output impedance when the filter input is connected to a stiff A typical application would place the MQME filter close to the input of the DC/DC converter, with the cases of the filter and the voltage source. converter connected together through a ground plane. Both cases The input voltage surge and spike compliance matrix shown on are electrically conductive, so connection to the cases can be made Page 8 displays the worst case requirements listed in various with the fasteners used to secure the device. 270V Military (Vehicle and Aircraft) and Civil Aircraft standards. The MQME-270-P EMI filter is designed to handle all of the short Do not connect the outputs of multiple MQME-270-P filters in duration voltage spike requirements of these standards (with certain parallel. Connecting filters in this manner may result in slightly assumptions regarding DEF-STAN 61-5). Some of the long duration unequal currents to flow in the positive and return paths of each voltage surge requirements remain within the 50V maximum filter. These unequal currents may cause the internal commontransient rating of a SynQor MQFL-270 DC/DC converter. The mode chokes to saturate and thus cause degraded common-mode others require the transient suppression circuitry of an MQME-270-T rejection performance. EMI filter to protect the converter from an over-voltage condition. If MQFL-270E or MQFL-270VE converters are used, voltage surges as high as 80V can be tolerated without the need for this transient suppression circuitry.
Page 6
MQME-270-P Current: 2A
Technical Specification
MIL-STD-461 COMPLIANCE MATRIX
This table shows the MIL-STD-461 requirements/limits that have been met* by a stand-alone setup comprised of: - MilQor-270-P Filter - MQFL-28-05S DC/DC Converter - 120W Resistive Load - Metal Chassis Plane
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* Susceptibility requirements/limits are deemed to have been met as long as transient deviations in the converter’s output voltage remain within ±10% of its initial value. † Met with metal screen shield covering the filter, converter, and resistive load.
Product # MQME-270-P Phone 1-888-567-9596 www.synqor.com Doc.# 005-2ME027P Rev. 2 03/16/09 Page 7
MQME-270-P Current: 2A
Technical Specification
RTCA/DO-160E SECTION 22 COMPLIANCE MATRIX
(LIGHTNING INDUCED TRANSIENT SUSCEPTIBILITY)
The following table shows the RTCA/DO-160 Section 22 requirements that have been met* by a stand-alone setup comprised of: - MilQor-270-P (or –T) Filter - Resistive Load
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- MQFL-28-05S DC/DC Converter - Metal Chassis Plane - Unshielded Power Cable Bundle
Product # MQME-270-P Phone 1-888-567-9596 www.synqor.com Doc.# 005-2ME027P Rev. 2 03/16/09
* Requirement is deemed to have been met as long as transient deviations in the converter’s output voltage remain within ±10% of its initial value. † For these waveforms at Level 3 and above, an external transient suppressor of sufficient energy rating must placed across the filter’s input pins to keep the differential transient input voltage below +200V/-50V. Negative polarity waveforms may cause power flow to the converter to be interrupted long enough to cause a graceful shutdown and restart of the converter. Also, the reverse voltage protection feature of the -T filter is required to protect the converter (but not the filter) from negative polarity waveform. ** For this waveform at a Level 4 and above, external transient suppressors of sufficient energy rating must be added between the filter’s input power pins and its case to keep the common-mode transient input voltage below +800V.
Page 8
MQME-270-P Current: 2A
Technical Specification
VOLTAGE SURGE AND SPIKE COMPLIANCE MATRIX
These tables show the Voltage Surge and Spike requirements/limits that have been met* by a stand-alone setup comprised of: - MilQor-270-P (or –T) Filter - MQFL-28-05S DC/DC Converter - 120W Resistive Load - Metal Chassis Plane
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* Surge/spike requirements/limits are deemed to have been met as long as transient deviations in the converter’s output voltage remain within ±10% of its initial value. † For the DEF STAN 61-5 specification: 1) Negative surges require reverse voltage protection circuitry to protect the converter (but not the filter) from a negative input. This circuitry is included in the MilQor-28-T and MilQor-28-HT filters but not the MilQor-270-P filter. 2) The negative surges may cause the converter to shut down unless additional holdup capacitance is included. 3) Maximum spike voltages are assumed to last
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