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DVMH28 Series
HIGH RELIABILITY HYBRID EMI FILTERS
DESCRIPTION
The DVMH series of hybrid EMI filters is operable over the full military (-55 C to +125 C) temperature range with no power derating. The DVMH EMI filter is designed to filter conducted emissions of two DVHF or one DVTR series DC-DC converters. These filters are designed and manufactured in a facility qualified to ISO9001 and certified to MIL-PRF38534 and MIL-STD-883. This product may incorporate one or more of the following U.S. patents: 5,784,266 5,790,389 5,963,438 5,999,433 6,005,780 6,084,792 6,118,673
FEATURES
* * * * * * * * * * * * * High Reliability Wide Input Voltage Range: 0 to 50 Volts per MIL-STD-704 Up to 2.0 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 Flanged and Non-flanged Versions Available MIL-PRF-38534 Element Evaluated Components
Figure 1 - DVMH28 / DVMH28F EMI Filter (Not To Scale)
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11314 4th Avenue West, Suite 206 Everett, WA 98204 http://www.vpt-inc.com
Sales Information: Phone: (425) 353-3010 Fax: (425) 353-4030 E-mail: vptsales@vpt-inc.com
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DVMH28 Series
SPECIFICATIONS (TCASE = -55C to +125C, 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 = +125C) 50 VDC 80 Volts 2.0 Amps 1.0 Watt Storage Temperature Lead Solder Temperature (10 seconds) Weight (Maximum) (Un-Flanged / Flanged) -65C to +150C 300C (24 / 29) Grams
Parameter STATIC
INPUT 2 Voltage Current
1,2,3
Conditions Min
Continuous Transient, 1 sec Continuous Continuous Continuous Continuous 0 55 10 100 0 0
DVMH28 Typ
28 VOUT = VIN - (IIN x RDC) 2.49 2.0 250 1.0 30 -
Units Max
50 80 2.0 V V A V A m W dB nF M MHrs
OUTPUT 2 Voltage Current
2,3
DC RESISTANCE POWER DISSIPATION NOISE REJECTION CAPACITANCE ISOLATION MTBF (MIL-HDBK-217F)
2
Continuous f = 500 kHz Pin to Case Any Pin to Case, 500 VDC AIF @ TC = 55C
Notes:
1. Derate linearly to 0 at 135C. 2. Verified by qualification testing. 3. Rated current applies at any voltage.
BLOCK DIAGRAM
PIN 1 28V IN PIN 3 CASE PIN 2 28V OUT
IN COM PIN 5
Figure 2
OUT COM PIN 4
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DVMH28 Series
CONNECTION DIAGRAMS
DVMH28 EMI FILTER 1 28V IN 28 Vdc 28V OUT 1 INH 5 IN COM OUT COM 3 CASE 4 7 IN COM 6 OUT COM 2 DVHF2800S DC-DC CONVERTER 8 28V IN +V OUT LOAD 3 4
+ -
Figure 3 - DVMH28 EMI Filter Hookup with Single Converter
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DVMH28 Series
CONNECTION DIAGRAMS
DVHF2800S DC-DC CONVERTER 8 28V IN +V OUT 4 LOAD 1 INH OUT COM 3
7
IN COM 6 CASE
DVMH28 EMI FILTER 1 28V IN 28 Vdc 28V OUT 2
DVHF2800S DC-DC CONVERTER 8 28V IN 1 INH OUT COM +V OUT 3 LOAD 4
+ 5 4
IN COM OUT COM 3
7
IN COM 6
CASE
Figure 4 - DVMH28 EMI Filter Hookup with Two Converters
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DVMH28 Series
EMI MEASUREMENT METHODS CONNECTION DIAGRAMS
TO 50 OHM INPUT
+V IN 10 uF
+V OUT CURRENT TRANSFORMER TO D.U.T. 10 uF
-V IN
-V OUT
Figure 5 - MIL-STD-461C Measurement Method (Feedthrough Capacitor)
+V IN
50 uH
+V OUT
TO 50 OHM INPUT
-V IN
50 uH
-V OUT
Figure 6 - MIL-STD-461D Measurement Method (LISN)
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DVMH28 Series
EMI PERFORMANCE CURVES
(TCASE = 25C, VIN = +28V 5%, Full Load, Unless Otherwise Specified)
Figure 7 - MIL-STD-461C DVHF2800D Without EMI Filter
Figure 8 - MIL-STD-461C DVHF2800D With DVMH28 EMI Filter
Figure 9 - MIL-STD-461C Two DVHF2800S's With DVMH28 EMI Filter
Figure 10 - MIL-STD-461D DVHF2800S With DVMH28 EMI Filter
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DVMH28 Series
PACKAGE SPECIFICATIONS (NON-FLANGED)
TOP VIEW
SIDE VIEW PIN 1 2 3 4 5 FUNCTION 28V IN 28V OUT CASE OUT COM IN COM
BOTTOM VIEW
Figure 11 - Non-Flanged Package and Pinout (Dimensional Limits are 0.005" Unless Otherwise Stated)
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DVMH28 Series
PACKAGE SPECIFICATIONS (FLANGED)
TOP VIEW
SIDE VIEW
PIN 1 2 3 4 5
FUNCTION 28V IN 28V OUT CASE OUT COM IN COM
BOTTOM VIEW
Figure 12 - Flanged Package and Pinout (Dimensional Limits are 0.005" Unless Otherwise Stated)
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DVMH28 Series
PACKAGE PIN DESCRIPTION
Pin
1 2 3 4 5
Function
28V IN 28V OUT CASE OUT COM IN COM
Description
Positive Input Voltage Connection Positive Output Voltage Connection Case Connection Output Common Connection Input Common Connection
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DVMH28 Series
ENVIRONMENTAL SCREENING (100% Tested Per MIL-STD-883 as referenced to MIL-PRF-38534)
Screening NonDestructive Bond Pull Internal Visual Temperature Cycling Constant Acceleration PIND Pre Burn-In Electrical
MIL-STD-883
Standard
(No Suffix)
Extended /ES N/A *
HB /HB N/A * * *
Class H /H N/A * * *
Class K /K N/A * * * * * *
N/A - Products do not contain Wirebonds Method 2017, 2032 Internal Procedure Method 1010, Condition C Method 1010, -55C to 125C Method 2001, 3000g, Y1 Direction Method 2001, 500g, Y1 Direction Method 2020, Condition A2 100% at 25C Method 1015, 320 hours at +125C Method 1015, 160 hours at +125C 96 hours at +125C 24 hours at +125C MIL-PRF-38534, Group A1 100% at 25C Method 1014, Fine Leak, Condition A Method 1014, Gross Leak, Condition C -3 Dip (1 x 10 ) Method 20123 Method 2009
N/A
*
* *
Burn-In
* *
*
*
*
Final Electrical
* * *
*
*
*
Hermeticity
*
* *
* *
* *
Radiography External Visual
* * * * * *
Notes:
1. 2. 3.
100% R&R testing at -55C, +25C, and +125C with all test data included in product shipment. PIND test Certificate of Compliance included in product shipment. Radiographic test Certificate of Compliance and film(s) included in product shipment.
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DVMH28 Series
ORDERING INFORMATION
DVMH 1
28 2
F 3
/HB 4
-
XXX 5
(1) Product Series
(2) Nominal Input Voltage
28 28 Volts
(3) Package Option
(4) Screening Code1,2
None /ES /HB /H /K Standard Extended HB Class H Class K
(5) Additional Screening Code
Contact Sales
DVMH
None F
Non-Flanged Flanged
Notes:
1. 2.
Contact the VPT Inc. Sales Department for availability of Class H (/H) or Class K (/K) qualified products. VPT Inc. reserves the right to ship higher screened or DSCC Drawing products to meet lower screened orders at our sole discretion unless specifically forbidden by customer contract.
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.
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DVMH28 Series
DSCC DRAWING NUMBERS
DSCC Drawing 06005-01HXC 06005-01HYC
DVMH28 Series Similar Part Number DVMH28/H DVMH28F/H
Do not use the DVMH28 Series similar part number for DSCC Drawing product acquisition. It is listed for reference only. For exact specifications for the DSCC Drawing product, refer to the DSCC Drawing. DSCC Drawings can be downloaded from the DSCC website at http://www.dscc.dla.mil/programs/smcr/. The DSCC Drawing number listed above is for MIL-PRF38534 Class H screening, standard gold plated lead finish, and no RHA (Radiation Hardness Assurance) level. Please reference the DSCC Drawing for other screening levels, lead finishes, and radiation levels.
CONTACT INFORMATION
To request a quotation or place orders please contact your sales representative or the VPT Inc. Sales Department at: Phone: Fax: E-mail: (425) 353-3010 (425) 353-4030 vptsales@vpt-inc.com
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.
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