preliminary information, december 97, rev. 0 a 28v/100w, dual output, dc/dc converters with integral emi filter preliminary information addc27012da/ADDC27015da features 270vdc input, 12vdc @ 8.33a, 100w output (addc27012da) 270vdc input, 15vdc @ 6.68a, 100w output (ADDC27015da) integral emi filter designed to meet mil-std-461d low weight: 80 grams navmat derated many protection and system features applications commercial and military airborne electronics missile electronics space-based antennae and vehicles mobile/portable ground equipment - sense t e m p ishare sy nc in hi bi t v a u x emi fil ter output f il te r +vo ut st at us a d j u s t + sense +vin fixed frequency, dua l int erlea ved power train output side cont rol c ir c ui t v co m -v in input side cont rol c ir c ui t -vout +vo ut -vout v co m addc02812da/addc02815da functional block diagram general description product highlights the addc27012da and ADDC27015da hybrid military dc/dc converters with integral emi filter offer the highest power density of any dc/dc power converters with their features and in their power range available today. the converters with integral emi filter are a fixed frequency, 1 mhz, square wave switching dc/dc power supply. they are not variable frequency resonant converters. in addition to many protection features, these converters have system level features which allows them to be used as a component in larger systems as well as a stand-alone power supply. the units are designed for high reliability and high performance applications where saving space and/or weight are critical. the addc27012da and ADDC27015da are available in a hermetically sealed, molybdenum based hybrid package and are easily heatsink mountable for mil-std-883 devices, contact factory for availability. 1) 60w/cubic inch power density with an integral emi filter designed to meet all applicable requirements in mil-std- 461d when installed in a typical system setup. 2) light weight: 80 grams. 3) operational and survivable over a wide range of input conditions: 160-400vdc; survives low line and high . 4) high reliability; navmat derated. 5) protection features include: output overvoltage protection output short circuit current protection thermal monitor/shutdown input overvoltage shutdown input transient protection 6) system level features include: current sharing for parallel operation inhibit control output status signal synchronization for multiple units input referenced auxiliary voltage information furnished by analog devices is believed to be accurate and reliable. however, no responsibility is assumed by analog devices for its use, nor for any infringements of patents or other rights of third parties which may result from its use. no license is granted by implication or otherwise under any patent or patent rights of analog devices. one technology way; p.o. box 9106; norwood, ma 02062-9106 tel: 617/329-4700 twx: 710/394-6577 west coast central atlantic 714/641-9391 214/231-5094 215/643-7790
2 preliminary information, december 97, rev. 0 addc27012da/ADDC27015da specifications absolute maximum ratings 1 inhibit, input voltage...................................450vdc, -0.5vdc lead soldering temp (10 sec) .....................................+300 c sync...................................................................8vdc, -0.5vdc storage temperature ....................................-65c to +150c ishare................................................................6vdc. -0.5vdc maximum junction temperature...............................+150 c temp...............................................................12vdc, -0.3vdc maximum case operating temperature.................. +125 c common-mode voltage, input to output..................500vdc electrical characteristics (t c =25 c, v in =270vdc unless otherwise noted; full temperature range is - 55 c to +90 c; all temperatures are case and t c is the temperature measured at the center of the package bottom.) parameter case temp test level conditions min addc27012da typ max min ADDC27015da typ max units input characteristics steady state operating input voltage range 3 (+12v) full vi io= 0.42a to 4.17a 180 270 350 volts steady state operating input voltage range 3 (+15v) full vi io= 0.34a to 3.34a 180 270 350 abnormal operating input voltage range (per mil-std-704d) 3 (+12v) full vi io= 0.42a to 3.33a 160 400 volts abnormal operating input voltage range (per mil-std-704d) 3 (+15v) full vi io= 0.34a to 3.34a 160 400 volts input voltage shutdown (+12v) +25c i 401 419 vdc input voltage shutdown (+15v) +25c i 401 419 vdc disabled input current (+12v) +25c vi 300 m a disabled input current (+15v) +25c vi 300 m a output characteristics 4,5,6 regulated output voltage (+12v) +25c full full i vi vi io= 0.42a to 4.17a, vin=180 to 350vdc io= 0.42a to 4.17a, vin=180 to 350vdc io= 0.42a to 4.17a, vin=160 to 400vdc +11.88 +11.76 +11.76 +12.00 +12.12 +12.24 +12.24 vdc vdc vdc regulated output voltage (+15v) +25c full full i vi vi io= 0.34a to 3.34a, vin=180 to 350vdc io= 0.34a to 3.34a, vin=180 to 350vdc io= 0.34a to 3.34a, vin=160 to 400vdc +14.85 +14.70 +14.70 +15.00 +15.15 +15.30 +15.30 vdc vdc vdc non-regulated output voltage (-12v) +25c full full i vi vi io= 0.42a to 4.17a, vin=180 to 350vdc io= 0.42a to 4.17a, vin=180 to 350vdc io= 0.42a to 4.17a, vin=160 to 400vdc -11.76 -11.64 -11.64 -12.00 -12.24 -12.36 -12.36 vdc vdc vdc non-regulated output voltage (-15v) +25c full full i vi vi io= 0.34a to 3.34a, vin=180 to 350vdc io= 0.34a to 3.34a, vin=180 to 350vdc io= 0.34a to 3.34a, vin=160 to 400vdc -14.70 -14.55 -14.40 -15.00 -15.30 -15.45 -15.60 vdc vdc vdc line regulation (+12v) +25c vi io= 4.17a, vin=180 to 350vdc 1.8 8 mv line regulation (+15v) +25c vi io= 3.34a, vin=180 to 350vdc 5 10 mv load regulation (+12v) +25c vi vin=270vdc, io=+0.42a to +4.17a 4 12 mv load regulation (+15v) +25c vi vin=270vdc, io=+0.34a to +3.34a 6 14 mv output ripple/noise (each output) 7 (+12v) +25c i io= 4.17a, 5 khz - 10 mhz bw 45 mvp-p output ripple/noise (each output) 7 (+15v) +25c i io= 3.34a, 5 khz - 10 mhz bw 45 mvp-p total output current ( io) +12v full vi vo= 12vdc, vin=180 to 350vdc 0.833 8.33 a total output current ( io) +15v full vi vo= 15vdc, vin=180 to 350vdc 0.34 3.34 a output overvoltage protection (+12v) +25c v io= 4.17a, open remote sense connection 120 % vnom output overvoltage protection (+15v) +25c v io= 3.34a, open remote sense connection 118 % vnom output current limit (+12v) +25 c v vo=90%vout nom 130 % io max output current limit (+15v) +25 c v vo=90%vout nom 130 % io max output short circuit current +25 c i 13 12.5 a isolation characteristics isolation voltage +25 c i input to output or any pin to case at 500vdc 100 100 m w
3 preliminary information, december 97, rev. 0 parameter case temp test level conditions min addc02812da typ max min addc02815da typ max units dynamic characteristics 7 output voltage deviation due to step change in load (+12v) +25 c i io= 2.08a to .4.17a or 4.17a to 2.08a .850 1.30 v output voltage deviation due to step change in load (+15v) +25 c i io= 1.67a to 3.34a or 3.34a to 1.67a .850 1.50 v response time due to step change in load (+12v) +25 c i io=10a to 20a or 20a to 10a, di/dt=0.5a/ m s, measured to within 2% of final value 150 225 m s response time due to step change in load (+15v) +25 c i io= 1.67a to 3.34a or 3.34a to 1.67a, di/dt=0.5a/ m s, measured to within 2% of final value 150 225 m s soft start turn-on time (+12v) +25 c i io= .4.17a, from inhibit high to status high 6 15 ms soft start turn-on time (+15v) +25 c i io= 3.34a, from inhibit high to status high 7 20 ms thermal characteristics efficiency (+12v) +25 c full +25 c full i vi i vi io= 2.5a io= .2.5a io= .4.17a io= .4.17a 81 80 81 80 83 83 % % % % efficiency (+15v) +25 c full +25 c full i vi i vi io= 2.0a io= .2.0a io= .3.34a io= .3.34a 81 80 81 80 83 83 % % % % hottest junction temperature 8 (+12v) +90 c v io= .4.17a 110 c hottest junction temperature 8 (+15v) +90 c v io= .3.34a 110 c control characteristics clock frequency (+12v) full vi io= 0.42a 0.85 1.00 mhz clock frequency (+15v) full vi io= 0.34a 0.85 1.00 mhz adjust (pin 3) vadj (+12v) +25 c i 4.7 4.8 4.9 v adjust (pin 3) vadj (+15v) +25 c i 5.9 6.0 6.1 v status (pin 4) voh vol +25 c +25 c i i ioh=400 m a iol=1 ma 2.4 4.0 0.15 0.7 2.4 4.0 0.15 0.7 v v vaux (pin 5) vo (nom) (+12v) +25 c i iaux=5ma, load current== .4.17a 13.25 13.5 13.75 v vaux (pin 5) vo (nom) (+15v) +25 c i iaux=5ma, load current== .43.34a 13.65 13.9 14.5 v inhibit (pin 6) vil iil vi (open circuit) +25 c +25 c +25 c i i i vil=0.5v 0.5 1.2 15 0.5 1.2 15 v ma v sync (pin 7) 9 vih iih +25 c +25 c i i vih=7.0v 4.0 160 4.0 160 v m a ishare (pin 8) (+12v) +25 c i load current== .4.17a 2.65 2.75 2.85 v ishare (pin 8) (+15v) +25 c i load current== .3.34a 2.65 2.75 2.85 v temp (pin 9) +25 c v 3.90 3.90 v notes 1 absolute maximum ratings are limiting values, to be applied individually, and beyond which the serviceability of the circuit may be impaired. functional operability under any of these conditions is not necessarily implied. exposure of absolute maximum rating conditions for extended periods of time may affect device reliability. 2 military subgroups apply only to military qualified devices. 3 400vdc upper limit rated for transient condition of up to 50 msec. 160vdc lower limit rated for continuous operation during emergency condition. steady state and abnormal input voltage range require source impedance sufficient to insure input stability at low line. 4 measured at the remote sense points. 5 tests performed at 10w load; unit regulates output voltage to 5w load. 6 output characteristics tested with balanced loads on each output. however, unit operates with unbalanced loads up to 90%/10% split. 7 c load = 0. 8 refer to section entitled thermal characteristics for more information. 9 unit has internal pull-down; refer to section entitled pin 7 (sync). explanation of test levels test level i - 100% production tested. ii - 100% production tested at +25 c, and sample tested at specified temperatures. iii - sample tested only. iv - parameter is guaranteed by design and characterization testing. v - parameter is a typical value only. vi - all devices are 100% production tested at +25c. 100% production tested at temperature extremes for military temperature devices; guaranteed by design and characterization testing for industrial devices
4 preliminary information, december 97, rev. 0 pin configuration pin descriptions pin no. name function 1 - sense feedback loop connection for remote sensing output voltage. must always be connected for proper operation. 2 + sense feedback loop connection for remote sensing output voltage. must always be connected for proper operation. 3 adjust adjusts output voltage setpoint. 4 status indicates output voltage is within 5% of nominal. active high referenced to -sense (pin 1). 5 vaux low level dc auxiliary voltage supply referenced to input return (pin 10). 6 inhibit power supply disable. active low and referenced to input return (pin 10). 7 sync clock synchronization input for multiple units; referenced to input return (pin 10). 8 ishare current share pin which allows paralleled units to share current typically within 5% at full load; referenced to input return (pin 10). 9 temp case temperature indicator and temperature shutdown override; referenced to input return (pin 10). 10 - vin input return. 11 + vin +270v nominal input bus. 12 + vout +12vdc output (addc27012da), +15vdc output (ADDC27015da) 13 + vout +12vdc output (addc27012da), +15vdc output (ADDC27015da) 14 vcommon output return. 15 vcommon output return. 16 - vout -12vdc output (addc27012da), -15vdc output (ADDC27015da) 17 - vout -12vdc output (addc27012da), -15vdc output (ADDC27015da) t o p vi ew 1 11 12 17
5 preliminary information, december 97, rev. 0 screening levels for addc27012da/ADDC27015da screening steps industrial ( kv) ruggedized industrial (tv) mil-std-883b/smd (tv/883b) pre-cap visual 100% mil-std-883, tm2017 temp cycle n/a n/a constant acceleration n/a n/a fine leak guaranteed to meet mil-std-883, tm1014 guaranteed to meet mil-std-883, tm1014 compliant to mil-prf-38534 gross leak guaranteed to meet mil-std-883, tm1014 guaranteed to meet mil-std-883, tm1014 burn-in n/a mil-std-883, tm1015, 96 hrs at 115 c case final electrical test at 25 c, per spec. table at 25 c, per spec. table nominal case dimensions in inches all tolerances .005? ( .13 mm) unless otherwise specified . 1 4 9 ( 3 . 7 8 ) dia. typ. 0 . 3 0 0 ( 7 . 6 2 ) s q . + / - . 0 1 0 4 plcs. .150 (3.81) 4 plcs. 1.145 (29.08) 2 plcs. 2 . 7 4 5 ( 6 9 . 7 2 ) 0 . 8 0 0 ( 2 0 . 3 2 ) 4 plcs. 0.200(5.08) 5 plcs. 0.250(6.35) 2 plcs. 1.800(45.72) typ 2.100 (53.34) 1.500 ( 3 8 . 1 0 ) 0 . 0 4 0 + / - . 0 0 3 ( 1 . 0 2 + / - . 0 8 ) 0 . 0 9 0 + / - . 0 1 0 ( 2 . 2 9 + / - . 2 5 ) . 1 0 0 ( 2 . 5 4 ) 8 plcs. .1 50 ( 3. 8 1) .200 (5.08) .200 (5.08) .150 (3.81) 0.390 +/-.010 (9.91 +/-.25) top view notes 1. the final product weight is 85 grams maximum. 2. the package base material is made of molybdenum and is nominally 40 mils (1.02 mm) thick. the ? runout? is less than 2 mils per inch (0.02 mm per cm). 3. the high current pins (10-17) are 40 mil (1.02 mm) diameter; are made of 99.8% copper; and are plated with gold over nickel. 4. the signal carrying pins (1-9) are 18 mil (0.46 mm) diameter; are kovar; and are plated with gold over nickel. 5. all pins are a minimum length of 0.740 inches (18.80 mm) when the product is shipped. the pins are typically bent up or down and cut shorter for proper connection into the user?s system. 6. all pin-to- sidewall spacings are guaranteed for a minimum of 500vdc breakdown at standard air pressure.
6 preliminary information, december 97, rev. 0
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