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dvtr2800d series ds1x008h 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 1 high reliability hybrid dc-dc converters description the dvtr series of high reliability dc-dc converters is operable over the full military (-55 c to +125 c) temperature range with no power derating. unique to the dvtr series are robust and effective input and output filters which provide dramatically reduced input and output noise performance when compared to other manufacturers competing devices. operating at a nominal fixed frequency of 500 khz, these regulated, isolated units utilize a high speed magnetic feedback design and well controlled undervoltage lockout circuitry to eliminate slow start- up problems. these converters are designed and manufactured in a facility qualified to iso9001 and certified to mil- prf-38534 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 ? very low output noise ? wide input voltage range: 15 to 50 volts per mil-std-704 ? up to 40 watts output power ? fault tolerant magnetic feedback circuit ? no use of optoisolators ? undervoltage lockout ? indefinite short circuit protection ? current limit protection ? industry standard pinout ? high input transient voltage: 80 volts for 1 sec per mil-std-704a ? precision seam welded or solder seal hermetic package ? high power density: > 40 w/in 3 ? custom versions available ? additional environmental screening available ? meets mil-std-461c and mil-std-461d emc requirements when used with a dvmc28 emi filter ? flanged and non-flanged versions available. ? mil-prf-38534 element evaluated components ? space applications should consider vpt?s ?s? series of radiation tolerant power conversion devices. contact vpt for details. figure 1 ? dvtr2800d / dvtr280 0df dc-dc converter ( not to scale )
dvtr2800d series ds1x008h 2 specifications (t case = -55c to +125c, v in = +28v 5%, full load 5 , unless otherwise specified) absolute maximum ratings input voltage (continuous) 50 v dc junction temperature rise to case +15c input voltage (transient, 1 second) 80 vo lts storage temperature -65c to +150c output power 1 40 watts lead solder temperature (10 seconds) 270c power dissipation (full load, t case = +125c) 13 watts weight (maximum) (un-flanged / flanged) (49 / 52) grams DVTR2805D dvtr2812d parameter conditions min typ max min typ max units static continuous 15 28 50 15 28 50 v input voltage 4 transient, 1 sec - - 80 - - 80 v inhibited - - 6 - - 6 ma current no load - - 90 - - 90 ma ripple current full load 5 , 20hz to 10mhz - - 50 - - 50 ma p-p inhibit pin input 4 0 - 1.5 0 - 1.5 v inhibit pin open circuit voltage 4 9.0 11.0 13.0 9.0 11.0 13.0 v uvlo turn on 12.0 - 14.8 12.0 - 14.8 v uvlo turn off 4 11.0 - 14.5 11.0 - 14.5 v +v out t case = 25c 4.95 5.0 5.05 11.88 12.0 12.12 v +v out t case = -55c to +125c 4.925 5.0 5.075 11.82 12.0 12.18 v -v out t case = 25c 4.80 5.0 5.20 11.80 12.0 12.20 v output voltage 5 -v out t case = -55c to +125c 4.70 5.0 5.30 11.64 12.0 12.36 v total 0 - 30 0 - 40 w power 3,6 v out either output 0 - 21 0 - 28 w current 3,6 v out either output 0 - 4.2 0 - 2.33 a ripple voltage v out full load 5 , 20hz to 10mhz - - 60 - - 50 mv p-p +v out v in = 16v to 40v - - 20 - - 20 mv line regulation -v out v in = 16v to 40v - - 200 - - 200 mv +v out no load to full load 5 - - 50 - - 50 mv load regulation -v out no load to full load 5,7 - - 200 - - 200 mv cross regulation -v out +load 70%, -load 30% +load 30%, -load 70% - - 650 - - 650 mv efficiency full load 5 73 - - 78 - - % overload 4 - - 16 - - 14 w load fault power dissipation short circuit - - 16 - - 14 w capacitive load 4 either output - - 500 - - 500 f switching frequency 400 450 550 400 450 550 khz sync frequency range v h ? v l = 5v, dc = 20-80% 500 - 600 500 - 600 khz isolation 500 v dc , t case = 25c 100 - - 100 - - m ? mtbf (mil-hdbk-217f) aif @ t c = 55c - 413 - - 413 - khrs see notes next page.
dvtr2800d series ds1x008h 3 specifications (t case = -55c to +125c, v in = +28v 5%, full load 5 , unless otherwise specified) absolute maximum ratings input voltage (continuous) 50 v dc junction temperature rise to case +15c input voltage (transient, 1 second) 80 vo lts storage temperature -65c to +150c output power 1 40 watts lead solder temperature (10 seconds) 270c power dissipation (full load, t case = +125c) 13 watts weight (maximum) (un-flanged / flanged) (49 / 52) grams DVTR2805D dvtr2812d parameter conditions min typ max min typ max units dynamic load step output transient v out - - 400 - - 450 mv pk load step recovery 2 half load to full load - - 350 - - 400 sec line step output transient 4 v out - 300 600 - 500 900 mv pk line step recovery 2, 4 v in = 16v to 40v - 300 500 - 300 500 sec turn on delay v out - - 20 - - 20 msec turn on overshoot v in = 0v to 28v - - 25 - - 50 mv pk notes: 1. dependant on output voltage. 2. time for output voltage to settl e within 1% of its nominal value. 3. derate linearly to 0 at 135c. 4. verified by qualification testing. 5. half load at +v out and half load at ?v out . 6. up to 70% of the total power or curr ent can be drawn from an y one of the two outputs. 7. 5% load to full load at -55c.
dvtr2800d series ds1x008h 4 specifications (t case = -55c to +125c, v in = +28v 5%, full load 5 , unless otherwise specified) absolute maximum ratings input voltage (continuous) 50 v dc junction temperature rise to case +15c input voltage (transient, 1 second) 80 vo lts storage temperature -65c to +150c output power 1 40 watts lead solder temperature (10 seconds) 270c power dissipation (full load, t case = +125c) 13 watts weight (maximum) (un-flanged / flanged) (49 / 52) grams dvtr2815d parameter conditions min typ max units static continuous 15 28 50 v input voltage 4 transient, 1 sec - - 80 v inhibited - - 6 ma current no load - - 90 ma ripple current full load 5 , 20hz to 10mhz - - 50 ma p-p inhibit pin input 4 0 - 1.5 v inhibit pin open circuit voltage 4 9.0 11.0 13.0 v uvlo turn on 12.0 - 14.8 v uvlo turn off 4 11.0 - 14.5 v +v out t case = 25c 14.85 15.0 15.15 v +v out t case = -55c to +125c 14.70 15.0 15.30 v -v out t case = 25c 14.70 15.0 15.30 v output voltage 5 -v out t case = -55c to +125c 14.55 15.0 15.45 v total - - 40 w power 3,6 v out either output - - 28 w current 3,6 v out either output - - 1.87 a ripple voltage v out full load 5 , 20hz to 10mhz - - 50 mv p-p +v out v in = 16v to 40v - - 20 mv line regulation -v out v in = 16v to 40v - - 200 mv +v out no load to full load 5 - - 50 mv load regulation -v out no load to full load 5,7 - - 200 mv cross regulation -v out +load 70%, -load 30% +load 30%, -load 70% - - 650 mv efficiency full load 5 79 - - % overload 4 - - 14 w load fault power dissipation short circuit - - 14 w capacitive load 4 either output - - 500 f switching frequency 400 450 550 khz sync frequency range v h ? v l = 5v, dc = 20-80% 500 - 600 khz isolation 500 v dc , t case = 25c 100 - - m ? mtbf (mil-hdbk-217f) aif @ t c = 55c - 413 - khrs see notes next page.
dvtr2800d series ds1x008h 5 specifications (t case = -55c to +125c, v in = +28v 5%, full load 5 , unless otherwise specified) absolute maximum ratings input voltage (continuous) 50 v dc junction temperature rise to case +15c input voltage (transient, 1 second) 80 vo lts storage temperature -65c to +150c output power 1 40 watts lead solder temperature (10 seconds) 270c power dissipation (full load, t case = +125c) 13 watts weight (maximum) (un-flanged / flanged) (49 / 52) grams dvtr2815d parameter conditions min typ max units dynamic load step output transient v out - - 500 mv pk load step recovery 2 half load to full load - - 300 sec line step output transient 4 v out - 500 900 mv pk line step recovery 2, 4 v in = 16v to 40v - 300 500 sec turn on delay v out - - 20 msec turn on overshoot v in = 0v to 28v - - 50 mv pk notes: 1. dependant on output voltage. 2. time for output voltage to settl e within 1% of its nominal value. 3. derate linearly to 0 at 135c. 4. verified by qualification testing. 5. half load at +v out and half load at ?v out . 6. up to 70% of the total power or curr ent can be drawn from an y one of the two outputs. 7. 5% load to full load at -55c.
dvtr2800d series ds1x008h 6 block diagram under voltage s h u td o wn primary housekeeping su pply pwm control voltage and current amplifiers secondary housekeeping supply pin 10 in com l1 c1 q1 rs1 t1 d1 c2 rs2 inh pin 2 feedback magnetic d2 rs3 c3 pin 1 28v in pin 4 out com pin 5 -v out pin 3 +v out sync pin 9 figure 2 connection diagram 10 in com 2 inh 1 28v in 3 +v out 4 out com load + - 28 vdc 5 -v out load sync 9 figure 3
dvtr2800d series ds1x008h 7 inhibit drive connection diagrams 10 in com 2 inh 1 28v in optional capacitor bias 12v 10k 10 in com 2 inh 1 28v in optional capacitor bias 12v 10k optoisolator figure 4 ? internal inhibit circuit and recommended drive figure 5 ? isolated inhibit drive (shown with optional capacitor for turn-on delay) (shown with optional capacitor for turn-on delay) emi filter hookup diagram 10 in com 2 inh 1 28v in 4 out com + - 28 vdc 2 28v out 4 out com 1 28v in 5 in com 3 dvmc28 emi filter 7,8 dvtr2800d dc-dc converter case 5 -v out load sync 9 3 +v out load figure 6 ? converter with emi filter
dvtr2800d series ds1x008h 8 efficiency performance curves (t case = 25c, full load, unless otherwise specified) v in = 16v v in = 28v v in = 40v 50 55 60 65 70 75 80 0 5 10 15 20 25 30 output pow er (w) efficiency (%) 60 65 70 75 80 85 0 10203040 output pow er (w) efficiency (%) figure 7 ? DVTR2805D figure 8 ? dvtr2812d efficiency (%) vs. output power (w) efficiency (%) vs. output power (w) 60 65 70 75 80 85 0 10203040 output pow er (w) efficiency (%) figure 9 ? dvtr2815d efficiency (%) vs. output power (w)
dvtr2800d series ds1x008h 9 emi performance curves (t case = 25c, v in = +28v 5%, full load, unless otherwise specified) figure 10 ? dvtr2800d without emi filter figure 11 ? dvtr2800d with emi filter
dvtr2800d series ds1x008h 10 package specifications (non -flanged, solder seal) pin function pin function 1 28v in 6 case 2 inhibit 7 case 3 +v out 8 case 4 out com 9 sync 5 -v out 10 in com figure 12 ? non-flanged, solder seal package and pinout (n ot used for /hb or higher screened products)
dvtr2800d series ds1x008h 11 package specifications (non-flanged, seam seal) pin function pin function 1 28v in 6 case 2 inhibit 7 case 3 +v out 8 case 4 out com 9 sync 5 -v out 10 in com figure 13 ? non-flanged, seam seal package and pinout
dvtr2800d series ds1x008h 12 package specifications ( flanged, solder seal) pin function pin function 1 28v in 6 case 2 inhibit 7 case 3 +v out 8 case 4 out com 9 sync 5 -v out 10 in com figure 14 ? flanged, solder seal package and pinout (n ot used for /hb or higher screened products)
dvtr2800d series ds1x008h 13 package specifications (flanged, seam seal) pin function pin function 1 28v in 6 case 2 inhibit 7 case 3 +v out 8 case 4 out com 9 sync 5 -v out 10 in com figure 15 ? flanged, seam seal package and pinout
dvtr2800d series ds1x008h 14 package pin description pin function description 1 28v in positive input voltage connection 2 inhibit logic low = disabled output. connecting the inhibit pin to input common causes converter shutdown. logic high = enabled output. unconnected or open collector ttl. 3 +v out positive output voltage connection 4 out com output common connection 5 -v out negative output voltage connection 6 case case connection 7 case case connection 8 case case connection 9 sync synchronization signal 10 in com input common connection
dvtr2800d series ds1x008h 15 environmental screening (100% tested per mil-std-883 as referenced to mil-prf-38534) notes: 1. 100% r&r testing at ?55c, +25c, and +125 c with all test data included in product shipment. 2. pind test certificate of co mpliance included in product shipment. 3. radiographic test cert ificate of compliance and film(s) included in product shipment. screening mil-std-883 standard (no suffix) extended /es hb /hb class h /h class k /k non- destructive bond pull method 2023 ? ? ? ? ? internal visual method 2017, 2032 internal procedure ? ? ? ? ? temperature cycling method 1010, condition c method 1010, -55c to 125c ? ? ? ? constant acceleration method 2001, 3000g, y1 direction method 2001, 500g, y1 direction ? ? ? ? pind method 2020, condition a 2 ? pre burn-in electrical 100% at 25c ? burn-in method 1015, 320 hours at +125c method 1015, 160 hours at +125c 96 hours at +125c 24 hours at +125c ? ? ? ? ? final electrical mil-prf-38534, group a 1 100% at 25c ? ? ? ? ? hermeticity method 1014, fine leak, condition a method 1014, gross leak, condition c dip (1 x 10 -3 ) ? ? ? ? ? ? ? ? ? radiography method 2012 3 ? external visual method 2009 ? ? ? ? ?
dvtr2800d series ds1x008h 16 ordering information dvtr 28 05 d f /hb - xxx 1 2 3 4 5 6 7 (1) (2) (3) (4) product series nominal input voltage output voltage number of outputs dvtr 28 28 volts 05 12 15 5 volts 12 volts 15 volts d dual (5) (6) (7) package option screening code 1,2 additional screening code none f non-flanged flanged none /es /hb /h /k standard extended hb class h class k contact sales notes: 1. contact the vpt inc. sales department for availability of class h (/h) or class k (/k) qualified products. 2. vpt inc. reserves the right to ship higher screen ed or smd 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.
dvtr2800d series ds1x008h 17 smd (standard microci rcuit drawing) numbers standard microcircuit drawing (smd) dvtr2800d series similar part number *t.b.d. DVTR2805D/h DVTR2805Df/h *t.b.d. dvtr2812d/h dvtr2812df/h *t.b.d. dvtr2815d/h dvtr2815df/h do not use the dvtr2800d series similar part number for smd product acquisition. it is listed for reference only. for exact specifications for the smd product, refer to the smd drawing. smd?s can be downloaded from the dscc website at http://www.dscc.dla.mil/programs/smcr/ . the smd number listed above is for mil-prf-38534 class h screening, standard gold plated lead finish, and no rha (radiation hardness assurance) level. please reference the smd for other screening levels, lead finishes, and radiation levels . contact information to request a quotation or place an order please contact your sales representative or the vpt inc. sales department at: phone : (425) 353-3010 fax : (425) 353-4030 e-mail : vptsales@vpt-inc.com all information contained in this datasheet is believed to be accurate, however, no responsibility is assumed for possible erro rs or omissions. the products or specifications cont ained herein are subject to change without notice.

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