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| DB2800 20W SERIES DC-DC CONVERTERS FDB461 MICROTECHNOLOGY HTTP://WWW.APEXMICROTECH.COM (800) 546-APEX (800) 546-2739 HI-REL DESIGN * WELDED HERMETIC PACKAGE * ALL CERAMIC CAPACITORS * SURFACE MOUNT MAGNETICS FDB46 1 FEATURES * * * * -55 TO +125C OPERATION 50db MINIMUM DIFFERENTIAL MODE REJECTION AT 500 KHz 5.5 AMPS THROUGHPUT CURRENT MEETS MIL-STD-461C CEO3 STANDARDS FOR APEX DB2800 SERIES DC-DC CONVERTERS * MIL-STD-704A THROUGH E POWER BUS COMPATIBILITY USA TE9493 11 BeO DESCRIPTION The FDB461 is a high reliability EMI filter for use with Apex DB2800 series of DC-DC converters. This filter has been designed to reduce the input line reflected ripple current to within the limit of MIL-STD-461C, CE03. FDB461 hybrid EMI filters utilize all ceramic capacitors, surface mount magnetics and ultrasonically bonded aluminum wires to provide reliable operation at all operating temperatures while surviving very high G forces. The 12-pin MO-127 High Profile DipTM package (see package outlines) allows connection to a heatsink and is hermetically sealed and isolated from the internal circuits. Heat sinking is recommended for full power operation at elevated ambient temperatures. EQUIVALENT SCHEMATIC VIN +Vout CASE GND INPUT COMMON OUTPUT COMMON EXTERNAL CONNECTIONS + VIN INPUT COMMON 1 2 3 4 5 6 TOP VIEW 12 11 10 9 8 7 CASE GROUND +VOUT OUTPUT COMMON TYPICAL APPLICATION +VIN FDB461 EMI FILTER +VOUT +VIN CASE GND +VOUT DB2800 SERIES CONVERTER OUTPUT COMMON LOAD CASE GND INPUT OUTPUT COMMON COMMON OUTPUT COMMON MULTIPLE UNITS ALLOWED UP TO RATED OUTPUT CURRENT LOAD APEX MICROTECHNOLOGY CORPORATION * TELEPHONE (520) 690-8600 * FAX (520) 888-3329 * ORDERS (520) 690-8601 * EMAIL prodlit@apexmicrotech.com FDB461 ABSOLUTE MAXIMUM RATINGS INPUT VOLTAGE RANGE INPUT VOLTAGE TRANSIENT TEMPERATURE RANGE, storage OPERATING TEMPERATURE, case ABSOLUTE MAXIMUM RATINGS SPECIFICATIONS 0-50Vdc 50V @ 50s -65 to 150C. -25 to 85C. SPECIFICATIONS PARAMETER INPUT VOLTAGE INPUT VOLTAGE INPUT CURRENT OUTPUT VOLTAGE OUTPUT CURRENT OUTPUT CURRENT DC RESISTANCE (Rdc) NOISE REDUCTION NOISE REDUCTION CAPACITANCE ISOLATION OPERATING TEMPERATURE RANGE STORAGE TEMPERATURE RANGE TEST CONDITIONS STEADY STATE TRANSIENT 50 sec. MAX DC STEADY STATE RIPPLE STEADY STATE T = 25C 200 Khz 500 KHz ANY PIN TO CASE ANY PIN TO CASE, 500 Vdc CASE BASEPLATE CASE BASEPLATE MIN 0 TYP 28 Vout= Vin-Iin(RDC) 0.20 40 60 0.3 5.5 0.35 4.7 100 -55 -65 +125 +150 MAX 40 50 5.5 UNITS V V A Vdc A rms A Ohms db db F MOhm C C 35 50 NOTES: 1. 2. Tcase= -55C to 125C unless otherwise specified. Longterm operation at the maximum temperature will result in reduced product life. Derate internal power dissipation to achieve high MTTF. TYPICAL PERFORMANCE GRAPHS 100 EMMISION LEVEL,db A DB2803S CONVERTER WITH FDB461 FILTER 100 EMMISION LEVEL,db A DB2805S CONVERTER WITH FDB461 FILTER 80 60 40 20 0 -20 0.01 0.1 1 10 FREQUENCY, F(MHz) 100 CE03 LIMIT 80 60 40 20 0 -20 0.01 0.1 1 10 FREQUENCY, F(MHz) 100 CE03 LIMIT 100 EMMISION LEVEL,db A DB2812S CONVERTER WITH FDB461 FILTER 100 EMMISION LEVEL,db A DB2815S CONVERTER WITH FDB461 FILTER 80 60 40 20 0 -20 0.01 0.1 1 10 FREQUENCY, F(MHz) 100 CE03 LIMIT 80 60 40 20 0 -20 0.01 0.1 1 10 FREQUENCY, F(MHz) 100 CE03 LIMIT This data sheet has been carefully checked and is believed to be reliable, however, no responsibility is assumed for possible inaccuracies or omissions. All specifications are subject to change without notice. FDB461U REV. A NOVEMBER 1999 (c) 1999 Apex Microtechnology Corp. |
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