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53504 latching, isolated output solid state power controllers mii microcircuits division features: ? switch status output ? i 2 t circuit protection with status output ? spst, normally open ? 15a, 20a and 30a operating current ? power fet output with low on-state resistance ? full military temperature operation: -55oc to +125oc. ? radiation hardened capable. ? military environmental screening available applications: ? designed for 24v, 150v and 270v bus applications ? aircraft power distribution ? military/high reliability systems ? satellite/space systems description the 53504 solid-state power controllers are lightweight, resistant to damage from shock and vibration, and immune to contact-related problems (contamination, arcing) associated with mechanical equivalents. transformer coupling between the input, output and power bus stages provides effective isolation of 1000 v rms. the power fet output eliminates bipolar offset and minimizes output voltage drop. the control input is cmos or ttl logic compatible and may operate from a bias supply of 4.5 to 5.5vdc. (see figure 1) integral short-circuit protection, i 2 t trip and output status is provided. the output current flow is continuously monitored and responds to an over-current condition with an i 2 t trip curve by opening the output. over-current conditions include over- load and shorted output during turn-on. an open-collector fault status or output status (optional) is available to indicate the fault or switch state. the output remains blocked until the short is removed and the unit reset. this feature prevents damage to the controller while averting further system failures that may be caused by the short circuit. output fault is an active low output remaining high (open) under all operating conditions except during an output fault. the optional output status is high when the output is on and low when the output is off. resetting the unit is accomplished by recycling the input control. this device is available in various quality levels from cots to class k including any custom screening requirements. all components have radiation-hardened equivalents. the basic data sheet part is environmentally screened to h level in accordance with table c-ix of mil-prf-38 534 with no element evaluation or qci. absolute maximum ratings isolation voltage 1 ............................................................................................................................... ........................1000 v rms output withstanding voltage 2 ..............................................................................................................100, 200, 400 or 500 vdc transient output voltage 3 ?????????????????????????. .....................100, 200, 400 or 500 vdc load current ..................................................................................less than 8 times rated operating current / self limiting bias supply voltage, v dd .............................................................................................................................. ......... -.6 to 5.5 vdc control voltage ................................................................................................................ . 1 volt above v dd / volt below return operating temperature ......................................................................................................... ................... -55oc to +125oc case storage temperature ........................................................................................................... ...............................-55oc to +125oc notes : 1 60 hz sine wave 2 reversing polarity on the output may cause permanent damage 3 device rating. application derating not included in these values micropac industries cannot assume any responsibility for any circuits shown or represent that they are free from patent infringement. micropac reserves the right to make changes at any time in order to improve design and to supply the best product possible. micropac industries, inc. microcircuits products division ? 905 e. walnut st., garland, tx 75040 ? (972) 272-3571 ? fax (972) 494-2281 www.micropac.com e-mail: microsales@micropac.com 12/29/05 rev g pg. 1 of 8
53504 latching, isolated output solid state power controllers micropac industries cannot assume any responsibility for any circuits shown or represent that they are free from patent infringement. micropac reserves the right to make changes at any time in order to improve design and to supply the best product possible. micropac industries, inc. microcircuits products division ? 905 e. walnut st., garland, tx 75040 ? (972) 272-3571 ? fax (972) 494-2281 www.micropac.com e-mail: microsales@micropac.com 12/29/05 rev g pg. 2 of 8 electrical characteristics t a = -55 to 125 c parameter test conditions min typ max units input characteristics cmos configurations (figure 1) bias supply range, v dd 3.0 5.0 5.5 vdc bias current 1 5 ma input current 5 vdc input 500 a control voltage range -0.5 6.0 vdc turn-on voltage (notes 1, 2) 2.8 3.2 vdc turn-off voltage (notes 1, 2) 0.5 2.7 vdc dielectric strength 60 hz / input /output / power bias/ case 1000 v rms output characteristics (note 3) power bias supply 400 vdc 10 20 ma output current, sustaining: steady state load current whichever is less 20% 3a % adc load start current (not externally adjustable) 100ms output on time 600 900 % output pass current adjustment range: 10 seconds 0 50 % of initial continuous blocking voltage output device rating rating vdc on-state resistance, r ds 25oc case (table 1) ohms on-state resistance, r ds 125oc case (table 1) ohms turn-on time @ 25oc case figure 2 .5 2.0 ms turn-off time @ 25oc case figure 2 .5 1.0 2.0 ms off-state leakage at maximum blocking voltage 200 480 a output capacitance 5,000 pf status output specification trip reset time remove overload & cycle input 50 ms status supply voltage (open collector) 5.0 32 vdc status off leakage current vs = 15 vdc 4 adc status on voltage i status = 5 ma @ 25oc 0.4 vdc high-to-low transition time i status = 5 ma 20 50 s junction temperature 150 oc thermal resistance, ja jc 30 5 oc/w oc/w application notes: 1. maximum input switching frequency not to exceed 1 hz under normal conditions, or into a shorted output. 2. input transitions should be ?bounceless contact? with transitions of <1 ms. 3. system transient suppression must be used to limit switching and fault turn-off current & voltage transients to unit ratings . 53504 latching, isolated output solid state power controllers micropac industries cannot assume any responsibility for any circuits shown or represent that they are free from patent infringement. micropac reserves the right to make changes at any time in order to improve design and to supply the best product possible. micropac industries, inc. microcircuits products division ? 905 e. walnut st., garland, tx 75040 ? (972) 272-3571 ? fax (972) 494-2281 www.micropac.com e-mail: microsales@micropac.com 12/29/05 rev g pg. 3 of 8 15a sustaining 20a sustaining 30a sustaining 100 vdc units see 53503 10 / 15 m ? 7 / 11 m ? 200 vdc units see 53503 12 / 19 m ? 9 / 15 m ? 400 vdc units 50 / 90 m ? 22 / 39 m ? 16 / 29 m ? 500 vdc units 52 / 94 m ? 27 / 49 m ? 20 / 37 m ? table 1 25oc / 125oc r ds on vales by unit voltage and current rating. figure 1 high or low side isolated switch connection. full isolation exists between input logic and status, output switch connects, power bias and case. 53504 latching, isolated output solid state power controllers micropac industries cannot assume any responsibility for any circuits shown or represent that they are free from patent infringement. micropac reserves the right to make changes at any time in order to improve design and to supply the best product possible. micropac industries, inc. microcircuits products division ? 905 e. walnut st., garland, tx 75040 ? (972) 272-3571 ? fax (972) 494-2281 www.micropac.com e-mail: microsales@micropac.com 12/29/05 rev g pg. 4 of 8 note 1: a turn-off into a sh ort produces an increase in current to the initial i 2 t must trip value. note 2: shorted while on from any on operating condition can have a s surge current of as much as 1000a. note 3: loss of and re-application of bus power will resu lt in a re-start (output open & output status low.) note 4: output status signal assumes a pull-up voltage is always present to produce a ?1? when status is open. control 90% 90% 10% 10% t on t off 10% 10% load voltage 1 ms max 90% vdd control on off on off 3 a i out output status off on (open) simulated short figure 3 - timing diagram figure 2 switching characteristics 53504 latching, isolated output solid state power controllers micropac industries cannot assume any responsibility for any circuits shown or represent that they are free from patent infringement. micropac reserves the right to make changes at any time in order to improve design and to supply the best product possible. micropac industries, inc. microcircuits products division ? 905 e. walnut st., garland, tx 75040 ? (972) 272-3571 ? fax (972) 494-2281 www.micropac.com e-mail: microsales@micropac.com 12/29/05 rev g pg. 5 of 8 truth table ? power sequencing bus voltage 0 on 0 on on v dd 0 0 on control x x x 0 x x i out open open open open 0 1 output status open ?1? open ?1? 0 0 open ?1? short x x x off off off off (note 1) (note 1,2) (note 3) (note 3,4) (note 5) (note 5) truth table ? short circuit and status turn on into short sequence short while on sequence control 0 1 1 0 1 1 1 1 0 1 i out off off off off on on off off off on output status 0 0 0 0 open ?1? open ?1? 0 0 0 open ?1? shorted output shorted shorted x off off off on x x off note 1: unit powers up in the off condition with application of either bus power or v dd . note 2: fault status reports only when v dd is present. note 3: control ?0? off must be invoked upon simultaneous applications of 5v and bus power for an unambiguous output and fault status. note 4: an off control to on control transition is required to first turn the unit on. note 5: loss of v dd will not change output state during normal operation. note 6: truth table power sequencing: output status open collector pull-up resistor is assigned a separate and always present voltage, producing a ?1? when ?open?. 53504 latching, isolated output solid state power controllers micropac industries cannot assume any responsibility for any circuits shown or represent that they are free from patent infringement. micropac reserves the right to make changes at any time in order to improve design and to supply the best product possible. micropac industries, inc. microcircuits products division ? 905 e. walnut st., garland, tx 75040 ? (972) 272-3571 ? fax (972) 494-2281 www.micropac.com e-mail: microsales@micropac.com 12/29/05 rev g pg. 6 of 8 package dimensions in function 1 fault status 2 v dd 3 control 4 control return 5 no connection 6, 7 trip current adjust 8 power bias return 9 power bias 10, 11, 12, 13 + bus 14,15, 16,17 18 output notes: 1) initial current limits, no trip and must trip, will be 500% and 900%, respectively above the rated operating current. 2) i r ? rated operating current. 3) two times rated operating current. 4) minimum output current (susta ining) is 20% or 1amp above i r , whichever is greater. 53504 latching, isolated output solid state power controllers micropac industries cannot assume any responsibility for any circuits shown or represent that they are free from patent infringement. micropac reserves the right to make changes at any time in order to improve design and to supply the best product possible. micropac industries, inc. microcircuits products division ? 905 e. walnut st., garland, tx 75040 ? (972) 272-3571 ? fax (972) 494-2281 www.micropac.com e-mail: microsales@micropac.com 12/29/05 rev g pg. 7 of 8 current (amps) 1 4 2x i r 3,4 i r 2,4 must trip limit no trip limit guaranteed must trip limit a t t a -18 c 0.01 0.1 1 10 6 100% 900% 1 500% 1 seconds 53504 latching, isolated output solid state power controllers micropac industries cannot assume any responsibility for any circuits shown or represent that they are free from patent infringement. micropac reserves the right to make changes at any time in order to improve design and to supply the best product possible. micropac industries, inc. microcircuits products division ? 905 e. walnut st., garland, tx 75040 ? (972) 272-3571 ? fax (972) 494-2281 www.micropac.com e-mail: microsales@micropac.com 12/29/05 rev g pg. 8 of 8 mpc-53504-xxx-xx-xx 100 - maximum dc voltage (28vdc system) 250 ? maximum dc voltage (28 or 150vdc system) 400 ? maximum dc voltage (150 or 270vdc system) 500 ? maximum dc voltage (150 or 270vdc system) 15 ? 15 amp operating current 20 ? 20 amp operating current 30 ? 30 amp operating current a - no screening (see note 2) b - screened to table c-ix of mil-prf-38534 class h c - full class h compliant (see note 3) d - screened to table c-ix of mil-prf-38534 class k e - full class k compliant f - custom s ? standard r ? radiation tolerant (see note 1) notes: 1. devices are radiation tolerant by design but are not lot tested. micropac does not guarantee performance to any radiation level. individual lots must be tested to guarantee performance. 2. devices are electrically tested at -55 c, +25 c and +125 c with no environmental screening or qualification. 3. fully compliant class h or class k devices will require element evaluation and qci. ordering information: |
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