AME50461_10

PD-94595A AME50461 SERIES EMI FILTER HYBRID-HIGH RELIABILITY Description The AME Series of EMI filters have been designed to provide full compliance with the input line reflected ripple current requirement specified by CE03 of MILSTD-461C over the full military temperature range while operating in conjunction with the corresponding AFL series of DC-DC converters. These filters are offered as part of a complete family of conversion products providing single and dual output voltages while operating from nominal +28, +50 or +270 input line voltage. Other converters operating with a similar switching frequency will also benefit by use of this device. These EMI filters are hermetically packaged in two enclosure variations, utilizing copper-core pins to minimize resistive DC losses. Three lead styles are available, each fabricated with International Rectifiers’s rugged ceramic lead-to-package seal assuring long term hermetic seal integrity in harsh environments. Manufactured in a facility fully qualified to MIL-PRF38534, these converters are available in four screening grades to satisfy a wide range of applications. The CH grade is fully compliant to the requirements of MILPRF-38534 for class H. The HB grade is fully processed and screened to the class H requirement, but does not include element evaluation to the class H requirement. AME Features n n n n n n Up to 7.0 Ampere Output Current Attenuation > 35dB @ 200 KHz Low Profile (0.38”) Seam Welded Package Ceramic Feedthru Copper-Core Pins Operation Over Full Military Temp. Range Standard Military Drawings Available Both grades are tested to meet the complete group “A” test specification over the full military temperature range with no derating. Two grades with more limited screening are also available for use in less demanding applications. Variations in electrical, mechanical and screen requirements can be accommodated. Contact IR San Jose for special requirements. Typical Connection Diagram +Vin +Vout +Vin System Bus AME50461 EMI Filter Input Return Output Return AFL50XX or Other DC/DC Converter +Vout RL Input Return Output Return Note: Filter and Converter Cases Should be Electrically Connected +Vin AFL50XX or Other DC/DC Converter +Vout RL Input Return Output Return To Additional Converters up to Total of Filter Rated Output Current www.irf.com 1 02/16/10 AME50461 Series Specifications ABSOLUTE MAXIMUM RATINGS Note 1 Input Voltage Input Current Lead Soldering Temperature Case Temperature -300V to +300V Note 2 7.0A 300°C for 10 seconds Operating -55°C to +125°C Storage -65°C to +135°C Electrical Characteristics -55°C ≤ TCASE ≤ +125°C, -100V ≤ VIN ≤ +100V unless otherwise specified Parameter Leakage Current Note 3 DC Resistance Note 4 Group A Subgroups 1, 2, 3 1, 2, 3 Test Conditions ± 250V DC Input Voltage TC = 25°C TC = 125°C 200 KHz - 500 KHz 500 KHz - 1 MHz 1 MHz – 10 MHz Any Pin to Case, Tested @ 500VDC Measured Between Any Pin and Case 35 60 65 100 34 30 56 62 Min 0 Max 50 60 100 Unit µA mΩ Noise Reduction 4, 5, 6 dB Isolation Capacitance 1 1 2, 3 MΩ nF Notes to Specifications 1. 2. 3. 4. Operation above maximum ratings may cause permanent damage to the device. Operation at maximum ratings may degrade performance and affect reliability. Device can tolerate ± 300 Volt transient whose duration is ≤ 100 ms when RS ≥ 0.5 Ω. Derate Output Current linearly from 100% at 125°C to 0 at 135°C. DC resistance is the total resistance of the device and includes the sum of the input to output resistance and the return in to return out resistance paths. 2 www.irf.com AME50461 Series Block Diagram Input 1 2 20 nF 12 11 10 Output 3 Case 4 20 nF 9 Input Return 5 6 8 7 Output Return Refer to last page for Pin Designation Circuit Operation and Application Information The AME series of filters employ three stages of filtering in a low pass configuration designed to attenuate the higher frequency components of ripple currents generated by high frequency switching DCDC converters. The Block Diagram describes the general arrangement of the principal elements which have been connected to provide both differential and normal mode buffering between the input and output terminals. Employing only passive elements, AME filter operation is initiated simply by insertion into the input power path between one or more DC-DC converters and their input DC voltage bus. In this connection, output pins of the filter will be connected to input pins of the converters. When a single AME filter is used in conjunction with multiple DC-DC converters, the use will be limited to the maximum output current capability specified in the AME electrical table.1 A typical connection utilizing one filter to drive two converters is illustrated on page1. Although expressly designed to complement the AFL series of DC-DC converters, the AME50461 filters can be successfully operated in conjunction with other converters in the Advanced Analog line including the ASA, AHF, AHV and ATR series. 1 To calculate the input current (i in ) requirement of any one converter, first determine the maximum output power by multiplying output voltage by maximum load current, divide this power by the efficiency to obtain input power and then divide input power by input voltage to obtain the input current ( iin). Note that to obtain worst case input current, you must use maximum load current, minimum efficiency and minimum line voltage in this calculation. www.irf.com 3 AME50461 Series AME50461 Case Style Outlines Case X Case W Pin Variation of Case Y 3.000 2.760 ø 0.128 0.050 0.250 0.050 12 0.250 7 0.25 typ 12 7 1 6 1.260 1.500 1.000 Ref 0.200 Typ Non-cum Pin ø 0.040 1.000 2.500 0.220 0.220 2.800 0.525 0.238 max Pin ø 0.040 2.975 max 0.42 0.380 Max 0.380 Max Case Y Case Z Pin Variation of Case Y 1.150 0.300 ø 0.140 0.050 0.050 0.250 0.250 1 6 1.500 1.750 2.00 1.000 Ref 0.200 Typ Non-cum Pin ø 0.040 1.000 Ref 1.750 2.500 2.975 max 0.238 max 0.375 0.220 0.220 0.36 2.800 0.525 Pin ø 0.040 0.380 Max 0.380 Max Tolerances, unless otherwise specified: .XX .XXX = = ±0.010 ±0.005 4 www.irf.com AME50461 Series Available Screening Levels and Process Variations Requirement Temperature Range Element Evaluation Internal Visual Temperature Cycle Constant Acceleration Burn-in Final Electrical (Group A) Seal, Fine & Gross External Visual 2017 1010 2001 1015 MIL-PRF-38534 & Specification 1014 2009 Cond A Cond A, C Yes Cond A, C Yes Cond A, C Yes 48hrs@ 85°C 25°C MIL-STD-883 Method No Suffix -20 to +85°C ES Suffix -55°C to +125°C HB Suffix -55°C to +125°C CH Suffix -55°C to +125°C MIL-PRF-38534 ‘ Yes Cond B 500g 48hrs@ 125°C 25°C Yes Cond C Cond A 160hrs @ 125°C -55, +25, +125°C Yes Cond C Cond A 160hrs @ 125°C -55, +25, +125°C ‘ * Per Commercial Standards Pin Designation Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 Designation Positive Input Positive Input Positive Input Input Return Input Return Input Return Output Return Output Return Output Return Positive Output Positive Output Positive Output Part Numbering AME 50 461 X / CH Model Input Voltage 28 = 28V 50 = 50V 270 = 270V Screening — , ES, HB, CH Case Style W, X, Y, Z Applicable Military Test Standard WORLD HEADQUARTERS: 233 Kansas St., El Segundo, California 90245, Tel: (310) 252-7105 IR SAN JOSE: 2520Junction Avenue, San Jose, California 95134, Tel: (408) 434-5000 Visit us at www.irf.com for sales contact information. Data and specifications subject to change without notice. 02/2010 www.irf.com 5