4707 dey road liverpool, n.y. 13088 (315) 701-6751 m.s.kennedy corp. iso 9001 certified by dscc bfl2805 mil-prf-38534 certified typical applications description: equivalent schematic features: rev. b 10/05 1 5a emi filter pin-out information replaces apex fdb461 all ceramic capacitors surface mount magnetics -55? to +125? operation 60db minimum differential mode rejection at 500khz 5.5 amps throughput current meets mil-std-461c ceo3 standards for bbf2800 series dc to dc converters mil-std-704 (a through e) power bus compatibility the bfl2805 is a high reliability emi filter for use with bbf2800 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. the bfl2805 hybrid emi filter utilizes all ceramic capacitors, surface mount magnetics and ultrasonically bonded alumi- num wires to provide reliable operation at all operating temperatures while surviving very high g forces. the stand-alone filter's internal components are all passive devices and selected to operate from input voltages up to and including the peak transient voltage. the filter therefore does not require or utilize transient supression circuitry and is compatible with the transient specification of a mil-std-704 type power bus. when connected to an output device, the output device must be able to operate from compatible voltages. the filter will attenuate spikes, but the duration and magnitude of the spike must be within the operating range of the filter. the 12-pin high power dip package allows connection to a heatsink, is hermetically sealed and is isolated from the internal circuits. heat sinking is recommended for full power operation at elevated ambient temperatures. +v in input common nc nc nc nc 1 2 3 4 5 6 nc nc nc case ground +v out output common 12 11 10 9 8 7 airborne power systems aerospace power systems vehicle electrical systems ground equipment and test equipment
absolute maximum ratings electrical specifications input voltage range 0-50v dc input voltage transient 80v @ 50ms voltage (any pin to case pin 9) 500v storage temperature range - 65? to +150? lead temperature 300? (10 seconds soldering) input voltage input current output voltage output current dc resistance (rdc) noise reduction capacitance isolation parameter test conditions v v a vdc a rms a ohms db db db db ? mohm units steady state transient 50?ec. max dc steady state ripple steady state steady state f=200khz f=500 khz f=1mhz f=5mhz any pin to case any pin to case 2 rev. b 10/05 case operating temperature range bfl2805h/e -55? to +125? bfl2805 - 40? to+85? 1,2,3 1 1 - 1 1 1 4 4 4 4 7 7 subgroups 1 1 2 3 4 5 6 notes: this parameter is guaranteed by design but need not be tested. typical parameters are representative of actual device performance but are for reference only. industrial grade and "e" suffix devices shall be tested to subgroup 1,4 and 7 unless otherwise specified. military grade devices ('h' suffix) shall be 100% tested to subgroups 1,2,3,4 and 7. subgroup 1,4,7 subgroup 2 subgroup 3 continuous operation at or above absolute maximum ratings may adversely effect the device performanc and/or life cycle. t a = t c = +25? t a = t c = +125 c t a = t c = -55 c 0 - - - - - - 40 60 60 60 - 100 28 - - v out =v in -iin(r dc ) - - 0.20 50 65 70 73 - - 50 80 5.5 - 0.3 5.5 0.35 - - - - 4.7 - min. typ. max. bfl2805h/e 0 - - - - - - 40 60 60 60 - 100 28 - - v out =v in -iin(r dc ) - - 0.20 50 65 70 73 - - 50 80 5.5 - 0.3 5.5 0.35 - - - - 4.7 - min. typ. max. bfl2805 1 1 1 2 6
typical performance curves rev. b 10/05 3 bbf2803s converter with bfl2805 bbf2805s converter with bfl2805 bbf2812s converter with bfl2805 bbf2815s converter with bfl2805 typical application emmision level db ? emmision level db ? emmision level db ? emmision level db ? frequency (mhz) frequency (mhz) frequency (mhz) frequency (mhz)
bfl2805 the information contained herein is believed to be accurate at the time of printing. msk reserves the right to make changes to its products or specifications without notice, however, and assumes no liability for the use of its products. please visit our website for the most recent revision of this datasheet. mechanical specifications rev. b 10/05 m.s. kennedy corp. 4707 dey road, liverpool, new york 13088 phone (315) 701-6751 fax (315) 701-6752 www.mskennedy.com weight = 67 grams typical esd triangle indicates pin 1. note: all dimensions are ?010 inches unless otherwise labeled. ordering information the above example is a military grade 5 amp emi filter. screening blank= industrial; e = extended reliability; h= mil-prf-38534 class h output current 05=5 amp nominal input voltage general part number 4 h
|
