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dvfl2800s series ds1x010r 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 dvfl 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 dvfl 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. the current sharing function allows a maximum of five units to be connected in parallel to boost the total output power to 5 times. the output voltage is trimmable up to +10% or down ?20%. 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 ? parallel up to 5 units with current sharing ? output voltage trim up +10% or down ?20% ? wide input voltage range: 16 to 40 volts per mil-std-704 ? up to 120 watts output power ? fault tolerant magnetic feedback circuit ? no use of optoisolators ? undervoltage lockout ? indefinite short circuit protection ? current limit protection ? industry standard pinout ? input transient voltage: 50 volts for 1 second ? precision seam welded hermetic package ? high power density: > 80 w/in 3 ? custom versions available ? additional environmental screening available ? meets mil-std-461c and mil-std-461d emc requirements when used with a dvme28 emi filter ? 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 ? dvfl2800s dc-dc converter ( exact marking may differ from that shown )
dvfl2800s series ds1x010r 2 specifications (t case = -55c to +125c, v in = +28v 5%, full load, unless otherwise specified) absolute maximum ratings input voltage (continuous) 40 v dc junction temperature rise to case +15c input voltage (transient, 1 second) 50 vo lts storage temperature -65c to +150c output power 1 120 watts lead solder temperature (10 seconds) 270c power dissipation (full load, t case = +125c) 41 watts weight (maximum) (no pin extensions) 86 grams dvfl283r3s dvfl2805s parameter conditions min typ max min typ max units static continuous 16 28 40 16 28 40 v input voltage 4 transient, 1 sec - - 50 - - 50 v inhibited 1 - 1 6 - 1 6 ma inhibited 2 - 40 70 - 40 70 ma current no load - 60 120 - 65 120 ma ripple current full load, 20hz to 10mhz - 25 80 - 35 80 ma p-p inh1 pin input 4 0 - 1.5 0 - 1.5 v inh2 pin input 4 0 - 1 0 - 1 v inh1 pin open circuit voltage 4 10.5 - 15 10.5 - 15 v inh2 pin open circuit voltage 4 4 - 12 4 - 12 v uvlo turn on 14.5 - 16 14.5 - 16 v uvlo turn off 4 13.5 - 15.5 13.5 - 15.5 v v out t case = 25c 3.267 3.30 3.333 4.95 5.00 5.05 v output voltage v out t case = -55c to +125c 3.25 3.30 3.35 4.925 5.00 5.075 v power 0 - 66 0 - 100 w current v out - - 20 - - 20 a ripple voltage v out full load, 20hz to 10mhz - 15 80 - 15 80 mv p-p line regulation v out v in = 16v to 40v - 2 20 - 2 20 mv load regulation v out no load to full load - 2 80 - 2 100 mv voltage trim 4 v out full load -10 - 10 -20 - 10 % share pin voltage 4 2 - 4 2 - 4 v efficiency 68 72 - 75 78 - % overload 4 - - 50 - - 50 w load fault power dissipation short circuit - - 50 - - 50 w capacitive load 4 - - 1000 - - 1000 ? f switching frequency 425 500 600 425 500 600 khz sync frequency range v h ? v l = 5v duty cycle = 20% - 80% 500 - 600 500 - 600 khz isolation 500 v dc 100 - - 100 - - m ? mtbf (mil-hdbk-217f) aif @ t c = 55c - 400 - - 400 - khrs notes: 1. dependant on output voltage. 2. time for output voltage to settle within 1% of its nominal value. 3. derate linearly to 0 at 135c. 4. verified by qualification testing.
dvfl2800s series ds1x010r 3 specifications (t case = -55c to +125c, v in = +28v 5%, full load, unless otherwise specified) absolute maximum ratings input voltage (continuous) 40 v dc junction temperature rise to case +15c input voltage (transient, 1 second) 50 vo lts storage temperature -65c to +150c output power 1 120 watts lead solder temperature (10 seconds) 270c power dissipation (full load, t case = +125c) 41 watts weight (maximum) (no pin extensions) 86 grams dvfl283r3s dvfl2805s parameter conditions min typ max min typ max units dynamic load step output transient v out - 140 400 - 160 400 mv pk load step recovery 2 half load to full load - 260 500 - 260 500 ? sec line step output transient 4 v out - 300 600 - 300 600 mv pk line step recovery 2, 4 v in = 16v to 40v - 300 500 - 300 500 ? sec turn on delay v out - 5 20 - 5 20 msec turn on overshoot v in = 0v to 28v - 0 15 - 0 25 mv pk notes: 1. dependant on output voltage. 2. time for output voltage to settle within 1% of its nominal value. 3. derate linearly to 0 at 135c. 4. verified by qualification testing.
dvfl2800s series ds1x010r 4 specifications (t case = -55c to +125c, v in = +28v 5%, full load, unless otherwise specified) absolute maximum ratings input voltage (continuous) 40 v dc junction temperature rise to case +15c input voltage (transient, 1 second) 50 vo lts storage temperature -65c to +150c output power 1 120 watts lead solder temperature (10 seconds) 270c power dissipation (full load, t case = +125c) 41 watts weight (maximum) (no pin extensions) 86 grams dvfl286r3s dvfl2807s parameter conditions min typ max min typ max units static continuous 16 28 40 16 28 40 v input voltage 4 transient, 1 sec - - 50 - - 50 v inhibited 1 - 1 6 - 1 6 ma inhibited 2 - 40 70 - 40 70 ma current no load - 65 120 - 65 120 ma ripple current full load, 20hz to 10mhz - 35 80 - 35 80 ma p-p inh1 pin input 4 0 - 1.5 0 - 1.5 v inh2 pin input 4 0 - 1 0 - 1 v inh1 pin open circuit voltage 4 10.5 - 15 10.5 - 15 v inh2 pin open circuit voltage 4 4 - 12 4 - 12 v uvlo turn on 14.5 - 16 14.5 - 16 v uvlo turn off 4 13.5 - 15.5 13.5 - 15.5 v v out t case = 25c 6.237 6.3 6.363 6.93 7 7.07 v output voltage v out t case = -55c to +125c 6.205 6.3 6.395 6.895 7 7.105 v power - - 100 - - 100 w current v out - - 15.9 - - 14.3 a ripple voltage v out full load, 20hz to 10mhz - 15 80 - 15 80 mv p-p line regulation v out v in = 16v to 40v - 2 20 - 2 20 mv load regulation v out no load to full load - 2 100 - 2 100 mv voltage trim 4 v out full load -20 - 10 -20 - 10 % share pin voltage 4 2 - 4 2 - 4 v efficiency 74 79 - 74 80 - % overload 4 - - 50 - - 50 w load fault power dissipation short circuit - - 50 - - 50 w capacitive load 4 - - 1000 - - 1000 ? f switching frequency 425 500 600 425 500 600 khz sync frequency range v h ? v l = 5v duty cycle = 20% - 80% 500 - 600 500 - 600 khz isolation 500 v dc 100 - - 100 - - m ? mtbf (mil-hdbk-217f) aif @ t c = 55c - 400 - - 400 - khrs notes: 1. dependant on output voltage. 2. time for output voltage to settle within 1% of its nominal value. 3. derate linearly to 0 at 135c. 4. verified by qualification testing.
dvfl2800s series ds1x010r 5 specifications (t case = -55c to +125c, v in = +28v 5%, full load, unless otherwise specified) absolute maximum ratings input voltage (continuous) 40 v dc junction temperature rise to case +15c input voltage (transient, 1 second) 50 vo lts storage temperature -65c to +150c output power 1 120 watts lead solder temperature (10 seconds) 270c power dissipation (full load, t case = +125c) 41 watts weight (maximum) (no pin extensions) 86 grams dvfl286r3s dvfl2807s parameter conditions min typ max max typ max units dynamic load step output transient v out - 150 300 - 150 300 mv pk load step recovery 2 half load to full load - 200 350 200 350 ? sec line step output transient 4 v out - 150 300 - 150 300 mv pk line step recovery 2, 4 v in = 16v to 40v - 150 300 200 400 ? sec turn on delay v out - 5 20 - 5 20 msec turn on overshoot v in = 0v to 28v - 0 25 - 0 25 mv pk notes: 1. dependant on output voltage. 2. time for output voltage to settle within 1% of its nominal value. 3. derate linearly to 0 at 135c. 4. verified by qualification testing.
dvfl2800s series ds1x010r 6 specifications (t case = -55c to +125c, v in = +28v 5%, full load, unless otherwise specified) absolute maximum ratings input voltage (continuous) 40 v dc junction temperature rise to case +15c input voltage (transient, 1 second) 50 vo lts storage temperature -65c to +150c output power 1 120 watts lead solder temperature (10 seconds) 270c power dissipation (full load, t case = +125c) 41 watts weight (maximum) (no pin extensions) 86 grams dvfl2808s dvfl289r5s parameter conditions min typ max min typ max units static continuous 16 28 40 16 28 40 v input voltage 4 transient, 1 sec - - 50 - - 50 v inhibited 1 - 1 6 - 1 6 ma inhibited 2 - 40 70 - 40 70 ma current no load - 70 120 - 80 120 ma ripple current full load, 20hz to 10mhz - 30 80 - 30 80 ma p-p inh1 pin input 4 0 - 1.5 0 - 1.5 v inh2 pin input 4 0 - 1 0 - 1 v inh1 pin open circuit voltage 4 10.5 - 15 10.5 - 15 v inh2 pin open circuit voltage 4 4 - 12 4 - 12 v uvlo turn on 14.5 - 16 14.5 - 16 v uvlo turn off 4 13.5 - 15.5 13.5 - 15.5 v v out t case = 25c 7.92 8 8.08 9.405 9.5 9.595 v output voltage v out t case = -55c to +125c 7.88 8 8.12 9.357 9.5 9.643 v power - - 100 - - 100 w current v out - - 12.5 - - 10.5 a ripple voltage v out full load, 20hz to 10mhz - 15 80 - 25 80 mv p-p line regulation v out v in = 16v to 40v - 2 20 - 2 20 mv load regulation v out no load to full load - 2 100 - 2 100 mv voltage trim 4 v out full load -20 - 10 -20 - 10 % share pin voltage 4 2 - 4 2 - 4 v efficiency 76 82 - 78 83 - % overload 4 - - 50 - - 50 w load fault power dissipation short circuit - - 50 - - 50 w capacitive load 4 - - 1000 - - 500 ? f switching frequency 425 500 600 425 500 600 khz sync frequency range v h ? v l = 5v duty cycle = 20% - 80% 500 - 600 500 - 600 khz isolation 500 v dc 100 - - 100 - - m ? mtbf (mil-hdbk-217f) aif @ t c = 55c - 400 - - 400 - khrs notes: 1. dependant on output voltage. 2. time for output voltage to settle within 1% of its nominal value. 3. derate linearly to 0 at 135c. 4. verified by qualification testing.
dvfl2800s series ds1x010r 7 specifications (t case = -55c to +125c, v in = +28v 5%, full load, unless otherwise specified) absolute maximum ratings input voltage (continuous) 40 v dc junction temperature rise to case +15c input voltage (transient, 1 second) 50 vo lts storage temperature -65c to +150c output power 1 120 watts lead solder temperature (10 seconds) 270c power dissipation (full load, t case = +125c) 41 watts weight (maximum) (no pin extensions) 86 grams dvfl2808s dvfl289r5s parameter conditions min typ max max typ max units dynamic load step output transient v out - 200 350 - 1000 1300 mv pk load step recovery 2 half load to full load - 200 350 450 700 ? sec line step output transient 4 v out - 250 450 - 850 1400 mv pk line step recovery 2, 4 v in = 16v to 40v - 250 350 500 700 ? sec turn on delay v out - 5 20 - 5 20 msec turn on overshoot v in = 0v to 28v - 0 25 - 0 25 mv pk notes: 1. dependant on output voltage. 2. time for output voltage to settle within 1% of its nominal value. 3. derate linearly to 0 at 135c. 4. verified by qualification testing.
dvfl2800s series ds1x010r 8 specifications (t case = -55c to +125c, v in = +28v 5%, full load, unless otherwise specified) absolute maximum ratings input voltage (continuous) 40 v dc junction temperature rise to case +15c input voltage (transient, 1 second) 50 vo lts storage temperature -65c to +150c output power 1 120 watts lead solder temperature (10 seconds) 270c power dissipation (full load, t case = +125c) 41 watts weight (maximum) (no pin extensions) 86 grams dvfl2812s dvfl2815s parameter conditions min typ max min typ max units static continuous 16 28 40 16 28 40 v input voltage 4 transient, 1 sec - - 50 - - 50 v inhibited 1 - 1 6 - 1 6 ma inhibited 2 - 40 70 - 40 70 ma current no load - 80 120 - 85 120 ma ripple current full load, 20hz to 10mhz - 30 80 - 30 80 ma p-p inh1 pin input 4 0 - 1.5 0 - 1.5 v inh2 pin input 4 0 - 1 0 - 1 v inh1 pin open circuit voltage 4 10.5 - 15 10.5 - 15 v inh2 pin open circuit voltage 4 4 - 12 4 - 12 v uvlo turn on 14.5 - 16 14.5 - 16 v uvlo turn off 4 13.5 - 15.5 13.5 - 15.5 v v out t case = 25c 11.88 12.00 12.12 14.85 15.00 15.15 v output voltage v out t case = -55c to +125c 11.82 12.00 12.18 14.775 15.00 15.225 v power - - 110 - - 120 w current v out - - 9.2 - - 8.0 a ripple voltage v out full load, 20hz to 10mhz - 25 80 - 25 80 mv p-p line regulation v out v in = 16v to 40v - 2 20 - 2 20 mv load regulation v out no load to full load - 2 120 - 2 120 mv voltage trim 4 v out full load -20 - 10 -20 - 10 % share pin voltage 4 2 - 4 2 - 4 v efficiency 83 86 - 84 86 - % overload 4 - - 50 - - 50 w load fault power dissipation short circuit - - 50 - - 50 w capacitive load 4 - - 500 - - 500 ? f switching frequency 425 500 600 425 500 600 khz sync frequency range v h ? v l = 5v duty cycle = 20% - 80% 500 - 600 500 - 600 khz isolation 500 v dc 100 - - 100 - - m ? mtbf (mil-hdbk-217f) aif @ t c = 55c - 400 - - 400 - khrs notes: 1. dependant on output voltage. 2. time for output voltage to settle within 1% of its nominal value. 3. derate linearly to 0 at 135c. 4. verified by qualification testing.
dvfl2800s series ds1x010r 9 specifications (t case = -55c to +125c, v in = +28v 5%, full load, unless otherwise specified) absolute maximum ratings input voltage (continuous) 40 v dc junction temperature rise to case +15c input voltage (transient, 1 second) 50 vo lts storage temperature -65c to +150c output power 1 120 watts lead solder temperature (10 seconds) 270c power dissipation (full load, t case = +125c) 41 watts weight (maximum) (no pin extensions) 86 grams dvfl2812s dvfl2815s parameter conditions min typ max min typ max units dynamic load step output transient v out - 570 1000 - 640 1000 mv pk load step recovery 2 half load to full load - 290 500 - 260 500 ? sec line step output transient 4 v out - 600 1200 - 600 1200 mv pk line step recovery 2, 4 v in = 16v to 40v - 300 500 - 300 500 ? sec turn on delay v out - 5 20 - 5 20 msec turn on overshoot v in = 0v to 28v - 0 50 - 0 50 mv pk notes: 1. dependant on output voltage. 2. time for output voltage to settle within 1% of its nominal value. 3. derate linearly to 0 at 135c. 4. verified by qualification testing.
dvfl2800s series ds1x010r 10 specifications (t case = -55c to +125c, v in = +28v 5%, full load, unless otherwise specified) absolute maximum ratings input voltage (continuous) 40 v dc junction temperature rise to case +15c input voltage (transient, 1 second) 50 vo lts storage temperature -65c to +150c output power 1 120 watts lead solder temperature (10 seconds) 270c power dissipation (full load, t case = +125c) 41 watts weight (maximum) (no pin extensions) 86 grams dvfl2818s dvfl2828s parameter conditions min typ max min typ max units static continuous 16 28 40 16 28 40 v input voltage 4 transient, 1 sec - - 50 - - 50 v inhibited 1 - 1 6 - 1 6 ma inhibited 2 - 40 70 - 40 70 ma current no load - 90 120 - 110 160 ma ripple current full load, 20hz to 10mhz - 30 80 - 35 80 ma p-p inh1 pin input 4 0 - 1.5 0 - 1.5 v inh2 pin input 4 0 - 1 0 - 1 v inh1 pin open circuit voltage 4 10.5 - 15 10.5 - 15 v inh2 pin open circuit voltage 4 4 - 12 4 - 12 v uvlo turn on 14.5 - 16 14.5 - 16 v uvlo turn off 4 13.5 - 15.5 13.5 - 15.5 v v out t case = 25c 17.82 18 18.18 27.72 28 28.28 v output voltage v out t case = -55c to +125c 17.73 18 18.27 27.58 28 28.42 v power - - 120 - - 115 w current v out - - 6.67 - - 4.1 a ripple voltage v out full load, 20hz to 10mhz - 30 80 - 50 120 mv p-p line regulation v out v in = 16v to 40v - 2 20 - 20 80 mv load regulation v out no load to full load - 2 120 - 25 100 mv voltage trim 4 v out full load -20 - 10 -20 - 10 % share pin voltage 4 2 - 4 2 - 4 v efficiency 80 85 - 81 85 - % overload 4 - - 50 - - 50 w load fault power dissipation short circuit - - 50 - - 50 w capacitive load 4 - - 500 - - 500 ? f switching frequency 425 500 600 425 500 600 khz sync frequency range v h ? v l = 5v duty cycle = 20% - 80% 500 - 600 500 - 600 khz isolation 500 v dc 100 - - 100 - - m ? mtbf (mil-hdbk-217f) aif @ t c = 55c - 400 - - 400 - khrs notes: 1. dependant on output voltage. 2. time for output voltage to settle within 1% of its nominal value. 3. derate linearly to 0 at 135c. 4. verified by qualification testing.
dvfl2800s series ds1x010r 11 specifications (t case = -55c to +125c, v in = +28v 5%, full load, unless otherwise specified) absolute maximum ratings input voltage (continuous) 40 v dc junction temperature rise to case +15c input voltage (transient, 1 second) 50 vo lts storage temperature -65c to +150c output power 1 120 watts lead solder temperature (10 seconds) 270c power dissipation (full load, t case = +125c) 41 watts weight (maximum) (no pin extensions) 86 grams dvfl2818s dvfl2828s parameter conditions min typ max min typ max units dynamic load step output transient v out - 1000 1300 - 1000 1400 mv pk load step recovery 2 half load to full load - 350 600 200 350 ? sec line step output transient 4 v out - 1000 1900 - 1000 2200 mv pk line step recovery 2, 4 v in = 16v to 40v - 450 700 200 400 ? sec turn on delay v out - 5 20 - 5 20 msec turn on overshoot v in = 0v to 28v - 0 50 - 0 50 mv pk notes: 1. dependant on output voltage. 2. time for output voltage to settle within 1% of its nominal value. 3. derate linearly to 0 at 135c. 4. verified by qualification testing.
dvfl2800s series ds1x010r 12 block diagram under voltage s h u td o wn primary h ousekeeping su pp l y pwm cont ro l voltage and current amplifiers seco ndary h ousekeeping su pp l y pin 1 28 v i n pin 2 in com q1 +v out pin 7 pin 8 out com i nh1 pin 4 feedback magneti c sync in pin 6 sync out pin 5 trim pin 3 +s pin 10 -s pin 9 share pin 11 inh2 pin 12 figure 2 connection diagram 2 in com 4 inh1 1 28v in 7 +v out 8 out com load + - 28 vdc -s 9 +s 10 inh2 12 sync in 6 figure 3
dvfl2800s series ds1x010r 13 inhibit drive connection diagram 2 in com 4 inh1 1 28v in optional capacitor bias 1 12v 30k optoisolator + - 8v 2k bias 2 inh2 12 out com 8 figure 4 ? isolated inhibit drive and internal equivalent circuit (shown with optional capacitor for turn-on delay) emi filter hookup diagram 2 in com 4 inh1 1 28v in 7 +v out 8 out com load + - 28 vdc 12 28v out 7 out com 1 28v in 6 in com case -s 9 +s 10 inh2 12 sync in 6 28v in 2 28v in 3 in com 4 in com 5 28v out 11 28v out 10 out com 9 out com 8 dvme28 emi filter dvfl2800s dc-dc converter figure 5 ? converter with emi filter
dvfl2800s series ds1x010r 14 parallel connection diagrams 2 in com 4 inh1 1 28v in 7 +v out 8 out com load + - 28 vdc 12 28v out 7 out com 1 28v in 6 in com case -s 9 +s 10 sync in 6 28v in 2 28v in 3 in com 4 in com 5 28v out 11 28v out 10 out com 9 out com 8 dvme28 emi filter dvfl2800s dc-dc converter case 5 sync out 11 share 2 in com 4 inh1 1 28v in 7 +v out 8 out com -s 9 +s 10 sync in 6 dvfl2800s dc-dc converter case 5 sync out 11 share 2 in com 4 inh1 1 28v in 7 +v out 8 out com -s 9 +s 10 sync in 6 dvfl2800s dc-dc converter case 11 share figure 6 ? current sharing parallel connection for multiple converters
dvfl2800s series ds1x010r 15 output voltage trim the output voltage can be trimmed down by connecting a resistor between the trim pin (pin 3) and the +v out pin (pin 7), or can be trimmed up by connecting a resistor between the trim pin (pin 3) and the out com pin (pin 8). the maximum trim range is +10% up and ?20% down. the appropriate resistor values versus the output voltage are given in the trim table below. figure 7 ? output voltage trim dvfl283r3s dvfl2805s dvfl2 86r3s dvfl2807s dvfl2808s +v out (v) r trim ( ? ) +v out (v) r trim ( ? ) +v out (v) r trim ( ? ) +v out (v) r trim ( ? ) +v out (v) r trim ( ? ) 3.60 68.3k 5.5 35.0k 6.9 25.8k 7.70 20.8k 8.80 16.3k 3.55 85.0k 5.4 47.5k 6.8 33.8k 7.55 30.6k 8.65 23.6k 3.50 110k 5.3 68.3k 6.7 45. 7k 7.40 47.7k 8.50 35.2k 3.45 152k 5.2 110k 6.6 65.1k 7.25 85.4k 8.35 56.7k 3.40 235k 5.1 235k 6.5 103k 7.10 236k 8.20 110k 3.35 485k 5.0 - 6.4 208k 7.00 - 8.05 488k 3.30 - 4.9 225k 6.3 - 6.85 276k 8.00 - 3.25 135k 4.8 100k 6.2 406k 6.70 125k 7.90 526k 3.20 55.0k 4.7 58. 3k 6.1 177k 6.55 75.2k 7.75 196k 3.15 28.3k 4.6 37. 5k 6.0 107k 6.40 50.2k 7.60 113k 3.10 15.0k 4.5 25.0k 5.9 72.7k 6.25 35.1k 7.45 75.3k 3.05 7.0k 4.4 16.7k 5.8 52.6k 6.10 25.1k 7.30 53.8k 3.00 1.7k 4.3 10.7k 5.7 39.4k 5.95 18.0k 7.15 39.9k 4.2 6.3k 5.6 30. 1k 5.80 12.6k 7.00 30.1k 4.1 2.8k 5.5 23. 1k 5.65 8.4k 6.85 22.9k 4.0 0 5.4 17.7k 6.70 17.4k 5.3 13.3k 6.55 13.0k 5.2 9.82k 6.40 9.4k 5.1 6.89k (continued on next page)
dvfl2800s series ds1x010r 16 output voltage trim dvfl289r5s dvfl2812s dvfl2 815s dvfl2818s dvfl2828s +v out (v) r trim ( ? ) +v out (v) r trim ( ? ) +v out (v) r trim ( ? ) +v out (v) r trim ( ? ) +v out (v) r trim ( ? ) 10.45 11.4k 13.2 5.8k 16.50 1.7k 19.8 3.99k 30.8 0.52k 10.3 16.3k 13.0 10.0k 16.25 5.0k 19.5 6.80k 30.4 1.93k 10.1 26.8k 12.8 16.2k 16.00 10.0k 19.2 11.0k 30.0 3.89k 9.9 47.7k 12.6 26.6k 15.75 18.3k 18.9 18.1k 29.6 6.79k 9.7 110k 12.4 47.3k 15.50 35.0k 18.6 32.3k 29.2 11.5k 9.5 - 12.2 109k 15.25 85.0k 18.3 75.6k 28.8 20.6k 9.4 677k 12.0 - 15.00 - 18.0 - 28.4 45.3k 9.2 209k 11.8 454k 14.75 475k 17.7 486k 28.0 - 9.0 115k 11.6 213k 14.50 225k 17.4 236k 27.6 747k 8.8 75.3k 11.4 134k 14.25 142k 17.1 151k 27.2 329k 8.6 53.0k 11.2 94.0k 14. 00 100k 16.8 109k 26.8 206k 8.4 38.8k 11.0 70. 1k 13.75 75.0k 16. 5 83.2k 26.4 148k 8.2 29.0k 10.8 54. 3k 13.50 58.3k 16. 2 66.0k 26.0 113k 8.0 21.8k 10.6 42.9k 13.25 46.4k 15.9 53.8k 25.6 90.8k 7.8 16.3k 10.4 34.4k 13.00 37.5k 15.6 44.6k 25.2 74.9k 7.6 11.9k 10.2 27.8k 12.75 30.6k 15.3 37.4k 24.8 63.0k 10.0 22.5k 12.50 25.0k 15.0 31.7k 24.4 53.8k 9.8 18.2k 12.25 20.5k 14.7 27.0k 24.0 46.5k 9.6 14.6k 12.00 16.7k 14.4 23.1k 23.6 40.5k 23.2 35.5k 22.8 31.4k 22.4 27.8k
dvfl2800s series ds1x010r 17 efficiency performance curves (t case = 25c, full load, unless otherwise specified) v in = 16v v in = 28v v in = 40v 65 68 71 74 77 80 15 25 35 45 55 65 output power (w) efficiency (%) 72 74 76 78 80 82 20 40 60 80 100 output power (w) efficiency (%) figure 8 ? dvfl283r3s figure 9 ? dvfl2805s efficiency (%) vs. output power (w) efficiency (%) vs. output power (w) 70 73 76 79 82 85 20 40 60 80 100 output pow er (w) efficiency (%) 75 77 79 81 83 85 20 40 60 80 100 output power (w) efficiency (%) figure 10 ? dvfl286r3s figure 11 ? dvfl2807s efficiency (%) vs. output power (w) efficiency (%) vs. output power (w)
dvfl2800s series ds1x010r 18 efficiency performance curves (t case = 25c, full load, unless otherwise specified) v in = 16v v in = 28v v in = 40v 75 77 79 81 83 85 20 40 60 80 100 output pow er (w) efficiency (%) 76 78 80 82 84 86 20 40 60 80 100 output pow er (w) efficiency (%) figure 12 ? dvfl2808s figure 13 ? dvfl289r5s efficiency (%) vs. output power (w) efficiency (%) vs. output power (w) 77 79 81 83 85 87 20 40 60 80 100 120 output power (w) efficiency (%) 77 79 81 83 85 87 20 40 60 80 100 120 output power (w) efficiency (%) figure 14 ? dvfl2812s figure 15 ? dvfl2815s efficiency (%) vs. output power (w) efficiency (%) vs. output power (w)
dvfl2800s series ds1x010r 19 efficiency performance curves (t case = 25c, full load, unless otherwise specified) v in = 16v v in = 28v v in = 40v 78 80 82 84 86 88 20 40 60 80 100 120 output pow er (w) efficiency (%) 77 79 81 83 85 87 20 40 60 80 100 120 output pow er (w) efficiency (%) figure 16 ? dvfl2818s figure 17 ? dvfl2828s efficiency (%) vs. output power (w) efficiency (%) vs. output power (w)
dvfl2800s series ds1x010r 20 emi performance curves (t case = 25c, v in = +28v 5%, full load, unless otherwise specified) figure 18 ? dvfl2800s without emi filter figure 19 ? dvfl2800s with emi filter
dvfl2800s series ds1x010r 21 package specifications pin function pin function pin function pin function 1 28v in 4 inh1 7 +v out 10 +s 2 in com 5 sync out 8 out com 11 share 3 trim 6 sync in 9 -s 12 inh2 figure 20 ? package and pinout
dvfl2800s series ds1x010r 22 package specifications (down-leaded) pin function pin function pin function pin function 1 28v in 4 inh1 7 +v out 10 +s 2 in com 5 sync out 8 out com 11 share 3 trim 6 sync in 9 -s 12 inh2 figure 21 ? package and pinout (with down-leaded pin extensions added)
dvfl2800s series ds1x010r 23 package specifications (up-leaded) pin function pin function pin function pin function 1 28v in 4 inh1 7 +v out 10 +s 2 in com 5 sync out 8 out com 11 share 3 trim 6 sync in 9 -s 12 inh2 figure 22 ? package and pinout (with up-leaded pin extensions added)
dvfl2800s series ds1x010r 24 package pin description pin function description 1 28v in positive input voltage connection 2 in com input common connection 3 trim trim output voltage to +10%, -20% of nominal value 4 inh1 logic low = disabled output. connecting the inhibit(1) pin to input common causes converter shutdown. logic high = enabled output. unconnected or open collector ttl. 5 sync out output synchronization signal 6 sync in input synchronization signal 7 +v out positive output voltage connection 8 out com output common connection 9 -s return sense 10 +s positive sense 11 share current share 12 inh2 logic low = disabled output. connecting the inhibit(2) pin to output common causes converter shutdown. logic high = enabled output. unconnected or open collector ttl.
dvfl2800s series ds1x010r 25 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 ? ? ? ? ?
dvfl2800s series ds1x010r 26 ordering information dvfl 28 05 s dl /hb - xxx 1 2 3 4 5 6 7 (1) (2) (3) (4) product series nominal input voltage output voltage number of outputs dvfl 28 28 volts 3r3 05 6r3 07 08 9r5 12 15 18 28 3.3 volts 5 volts 6.3 volts 7 volts 8 volts 9.5 volts 12 volts 15 volts 18 volts 28 volts s single (5) (6) (7) package option screening code 1,2 additional screening code none dl ul standard down-lead up-lead 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.
dvfl2800s series ds1x010r 27 smd (standard microci rcuit drawing) numbers standard microcircuit drawing (smd) dvfl2800s series similar part number 5962-0724301hxc dvfl283r3s/h 5962-0724302hxc dvfl2805s/h tbd dvfl286r3s/h 5962-0724305hxc dvfl2807s/h tbd dvfl2808s/h tbd dvfl289r5s/h 5962-0724303hxc dvfl2812s/h 5962-0724304hxc dvfl2815s/h tbd dvfl2818s/h tbd dvfl2828s/h do not use the dvfl2800s 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. all smd products are marked with a ?q? on the cover as specified by the qml certification mark requirement of mil-prf-38534. contact information to request a quotation or place orders 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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