DVMSA28 Series HIGH RELIABILITY HYBRID EMI FILTERS DESCRIPTION FEATURES The DVMSA28 series of hybrid EMI filters is operable over the full military (-55 °C to +125 °C) temperature range with no power derating. The DVMSA28 EMI filter is designed to filter conducted emissions of DVSA series DC-DC converters. · · These filters are designed and manufactured in a facility qualified to ISO9001, compliant to AS9000, and certified to MIL-PRF-38534 and MIL-STD-883. · · · · · · · · · · High Reliability Wide Input Voltage Range: 0 to 50 Volts per MIL-STD-704 Up to 0.8 Amp Maximum Current 40 dB Minimum Attenuation at 500 kHz Industry Standard Pinout High Input Transient Voltage: 80 Volts for 1 sec per MIL-STD-704A Precision Projection Welded Hermetic Package Custom Versions Available Additional Environmental Screening Available Meets MIL-STD-461C and MIL-STD-461D EMC Requirements Protects Against Conducted Susceptibility Specified in MIL-STD-461C, CS01 and CS02 MIL-PRF-38534 Element Evaluated Components Figure 1 – DVMSA28 EMI Filter (Not To Scale) 10023DSA 17921 Bothell-Everett Highway, Suite 108 Bothell, WA 98012 http://www.vpt-inc.com Sales Information: Phone: (425) 487-4850 Fax: (425) 487-4802 E-mail: [email protected] 1 DVMSA28 Series SPECIFICATIONS (TCASE = -55°C to +125°C, VIN = +28V ± 5%, Full Load, Unless Otherwise Specified) ABSOLUTE MAXIMUM RATINGS Input Voltage (Continuous) Input Voltage (Transient, 1 second) Output Current Power Dissipation (Full Load, TCASE = +125°C) Parameter 50 VDC 80 Volts 0.8 Amps 0.18 Watts Storage Temperature Lead Solder Temperature (10 seconds) Weight -65°C to +150°C 300°C 15 grams DVMSA28 Conditions Min Typ Max Units STATIC INPUT Voltage2 Continuous 0 28 50 V Transient, 1 sec - - 80 V Current1 Continuous 0 - 0.8 A OUTPUT Voltage Continuous Current Continuous VOUT = VIN – (IIN x RDC) 0 - V 0.8 A mΩ DC RESISTANCE Continuous - - 280 POWER DISSIPATION2 Continuous - - 0.18 W NOISE REJECTION f = 500 kHz 40 - - dB CAPACITANCE Pin to Case 10 - 30 nF ISOLATION Any Pin to Case, 500 VDC 100 - - MΩ THERMAL RESISTANCE Case to Ambient (qCA) - 32 - °C/W MTBF (MIL-HDBK-217F) AIF @ TC = 55°C - 3.15 - MHrs Notes: 1. Derate linearly to 0 at 135°C. 2. Verified by qualification testing. BLOCK DIAGRAM PIN 1 PINS 2, 3 28V IN 28V OUT PINS 4, 8 CASE IN COM OUT COM PIN 7 PINS 5, 6 Figure 2 10023DSA 2 DVMSA28 Series CONNECTION DIAGRAM DVMSA28 EMI FILTER 1 DVSA2800S DC-DC CONVERTER 2, 3 28V IN 6 28V OUT 1 28V IN +V OUT LOAD 28 Vdc 5 + 7 5, 6 OUT COM 7 IN COM OUT COM 4, 8 INH 2 IN COM CASE 8 Figure 3 – DVMSA28 EMI Filter Hookup with Single Converter EMI PERFORMANCE CURVES (TCASE = 25°C, VIN = +28V ± 5%, Full Load, Unless Otherwise Specified) Figure 4 – MIL-STD-461C DVSA2800D Without EMI Filter 10023DSA Figure 5 – MIL-STD-461C DVSA2800D With DVMSA28 EMI Filter 3 DVMSA28 Series EMI MEASUREMENT METHODS CONNECTION DIAGRAMS TO 50 OHM INPUT +V IN +V OUT 10 uF CURRENT TRANSFORMER TO D.U.T. 10 uF -V IN -V OUT Figure 6 – MIL-STD-461C Measurement Method (Feedthrough Capacitor) +V IN +V OUT 50 uH TO 50 OHM INPUT 50 uH -V IN -V OUT Figure 7 – MIL-STD-461D Measurement Method (LISN) 10023DSA 4 DVMSA28 Series PACKAGE SPECIFICATIONS TOP VIEW SIDE VIEW PIN FUNCTION 1 28V IN 2 28V OUT 3 28V OUT 4 CASE 5 OUT COM 6 OUT COM 7 IN COM 8 CASE BOTTOM VIEW Figure 8 – Package and Pinout (Dimensional Limits are ±0.005” Unless Otherwise Stated) 10023DSA 5 DVMSA28 Series PACKAGE PIN DESCRIPTION Pin Function Description 28V IN Positive Input Voltage Connection 2, 3 28V OUT Positive Output Voltage Connection 4, 8 CASE Case Connection 5, 6 OUT COM Output Common Connection IN COM Input Common Connection 1 7 ENVIRONMENTAL SCREENING (Per MIL-STD-883 as referenced to MIL-PRF-38534, Class H) Screening MIL-STD-883 Standard (No Suffix) Extended /ES HB /HB · · Pre-Cap Inspection Method 2017, 2032 Internal Procedure Temperature Cycling Method 1010, Condition C Method 1010, -55°C to 125°C · Constant Acceleration Method 2001, Condition A Method 2001, 500g · Burn-In Method 1015, 160 hours at +125°C 96 hours at +125°C 24 hours at +125°C · Method 1014, Fine Leak, Condition A Method 1014, Gross Leak, Condition C -3 Dip (1 x 10 ) Hermeticity · · · · · 1 Final Electrical MIL-PRF-38534, Group A 100% at 25°C · · Final Inspection Method 2009 · · Note: 10023DSA 1. · · · · · · · 100% R&R testing at –55°C, +25°C, and +125°C with all test data included in product shipment. 6 DVMSA28 Series ORDERING INFORMATION DVMSA 28 /HB 1 2 3 - XXX 4 (1) (2) (3) (4) Product Series Nominal Input Voltage Screening Code Additional Screening Code DVMSA 28 28 Volts None /ES /HB Standard Extended HB Contact Sales Please contact your sales representative or the VPT Inc. Sales Department for more information concerning additional environmental screening and testing, different input voltage, output voltage, power requirement, source inspection, and/or special element evaluation for space or other higher quality applications. CONTACT INFORMATION To request a quotation or place an order please contact your sales representative or the VPT Inc. Sales Department at: Phone: Fax: E-mail: (425) 487-4850 (425) 487-4802 [email protected] All information contained in this datasheet is believed to be accurate, however, no responsibility is assumed for possible errors or omissions. The products or specifications contained herein are subject to change without notice. 10023DSA 7