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description the interpoint? smflhp series? 28 volt dc/dc converters are rated up to 100 watts output power over a -55c to +125c temperature range with a 28 vdc nominal input. on dual output models, up to 70% of the rated output power can be drawn from either the positive or negative outputs. current sharing allows the units to be paralleled for total power of up to 285 watts. the welded, hermetically sealed package is only 3.005 x 1.505 x 0.400 inches, giving the series an overall power density of up to 67 watts per cubic inch. s c r e e n i n g smflhp converters offer screening options to space prototype (o), class h, or class k. radiation tolerant to radiation hardness assurance (rha) levels of - (o), p or r, per mil-prf-38534. interpoint model numbers use an o in the rha designator position to indicate the - (dash) radiation hardness assurance level of mil-prf-38534, which is defined as no rha. see screening tables 1 and 2 for more information. d e s i g n f e a t u r e s the smflhp series converters are switching regulators that use a quasi-square wave, single ended forward converter design with a constant switching frequency of 600 khz. isolation between input and output circuits is provided with a transformer in the forward path and wide bandwidth magnetic coupling in the feedback control loop. the smflhp series uses a unique dual loop feedback technique that controls output current with an inner feedback loop and output voltage with a cascaded voltage mode feedback loop. the additional secondary current mode feedback loop improves transient response in a manner similar to primary current mode control and allows for ease of paralleling. tight load regulation is achieved through a wide-bandwidth magnetic feedback circuit. the output voltage on single smflhp models can be easily trimmed up by adding an external resistor. (see figure 1 for voltage changes with different resistor values.) i n h i b i t the smflhp series converters have two inhibit terminals (inh1 and inh2) that can be used to disable power conversion, resulting in a very low quiescent input current. an active low (<0.8 volts) is required between inh1 (pin 4) and input common (pin 2) to inhibit the converter. an active low (<0.5 volts) is required between inh2 (pin 12) and output common (pin 8) to inhibit the converter. the application of intermediate voltages to these pins (1.5 to 10.5 volts) should be avoided. c u r r e n t s h a r i n g a n d p a r a l l e l o p e r at i o n multiple smflhp converters may be used in parallel to drive a common load (see figure 2). only single output models with sense and sns rtn can be used in the share mode. in this mode of operation the load current is shared by two or three smflhp converters. in current sharing mode, one smflhp converter is designated as a master. the slave pin (pin 11) of the master is left unconnected and the mstr/inh2 pin (pin 12) of the master is connected to the slave pin (pin 11) of the slave units. the units designated as slaves have the mstr/inh2 pin (pin 12) connected to the sns rtn pin (pin 9) of the master unit. figure 2 shows the typical setup for two or three units in parallel. features parallel operation with current share, up to 3 units (up to 285 watts) operating temperature -55 to +125c ? qualified to mil-prf-38534 class h and k ? radiation hardness assurance (rha) to level r 100 krad(si) ? input voltage range 19 to 40 vdc ? transient protection 80 v for 50 ms ? fully isolated, magnetic feedback ? fixed high frequency switching ? remote sense / output trim on single output models ? inhibit function ? synchronization input and output ? indefinite short circuit protection ? high power density with up to 87% efficiency ? models vdc o u t p u t single 3.3 5 12 15 dual 5 12 15 the information in this document is a derivative of documents cleared by the department of defense (dod) office of security review (osr) for public release. osr case numbers 09-s-1007 dated march 13, 2009 and 09-s-1960 dated june 22, 2009. crane aerospace & electronics power solutions smflhp s ingle and dual dc/dc converters page 1 of 14 28 volt input C 100 watt rev j - 2011.05.04 crane aerospace & electronics crane electronics, inc. power solutions C interpoint po box 97005 ? redmond, wa 98073-9705 425.882.3100 ? power@crane-eg.com www.craneae.com/interpoint
operating c onditio ns and characteristics i nput voltage range 19 to 40 vdc continuous ? 80 v for 50 msec transient ? output power u p to 100 watts depending on model ? lead s oldering t emperature (10 sec per lead) 300c ? storage temperature r ange (case) -65c to +150c ? power d issipation (pd) 20 watts ? case operating t emperature (tc) -55c to +125c full power ? -55c to +135c absolute ? derating o utput power/current linearly from 100% at 125c to 0% at 135c ? o utput voltage temperature coefficient 100 ppm/c typical ? i nput to output capacitance 150 pf typical ? isolation 100 megohm minimum at 500 vdc, any pin to case ? audio rejection 50 db typical ? c onversion frequency free run mode 600 khz typical ? 550 khz min, 650 khz. max ? external sync range 525 to 675 khz ? mechanic al and environmental s ize (maximum) 3.005 x 1.505 x 0.400 inches (76.33 x 38.23 x 10.16 mm). ? case u has short, straight leads. case v has longer leads which are bent down. weight (maximum) 86 grams ? screening space prototype (o), class h, or class k radiation tolerant to radiation hardness assurance (rha) levels of - (o), p or r, per mil-prf-38534. interpoint model numbers use an o in the rha designator position to indicate the - (dash) radiation hardness assurance level of mil-prf-38534, which is defined as no rha. available configurations: oo, hp, kp, hr, kr ? see screening tables 1 and 2 for more information. ? sync and inhibit (inh1, inh2) sync sync in ? input frequency 525 to 675 hz. ? duty cycle 40% min, 60% max ? active low 0.8 v max ? active high 4.5 v min, 5 v max ? referenced to input common ? sync out ? referenced to input common ? inhibit: in h1 and inh2 (do not apply a voltage to the inhibit pin) converter disabled (active low) ? inh1 referenced to input common ? pull voltage to 0.8 v or below by connecting - to ground or other method. inhibit pin source current, 10 ma max - inh2 referenced to output common ? pull voltage to 0.5 v or below by connecting - to ground or other method. inhibit pin source current 5 ma max - converter enabled (active high) ? inhibit pin open or through an open collector ? open pin voltage ? inh1 = 9 to 12 v - inh2 = 9 v max - note that synchronizing the units together (though shown in the figure) is not required for current sharing operation. a second slave unit may be placed in parallel with a master and slave; this requires the tri pin (pin 3) of the master unit to be connected to the sns rtn pin (pin 9). when paralleled, up to 95% of the total combined power ratings of the smflhp converters is available at the load. overload and short circuit performance are not adversely affected during parallel operation. crane aerospace & electronics power solutions www.craneae.com/interpoint page 2 of 14 smflhp s ingle and dual dc/dc converters 28 volt input C 100 watt rev j - 2011.05.04
r l 1 2 3 4 5 6 remote sense connection 12 11 10 9 8 7 ? + 28v ? + inhibit sync in r l 1 2 3 4 5 6 output vo lt age adjust connection 12 11 10 9 8 7 ? + 28v ? + inhibit sync in ra positive inpu t input common tr1 inh1 sync out sync in mstr/inh2 slave pos. sense sense retur n output common positive output positive input input common tr1 inh1 sync out sync in mstr/inh2 slave pos. sense sense retur n output common positive output r l 1 positive input input common tr1 inh1 sync out sync in 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6 connect only when 2 slaves are used 12 11 10 9 8 7 12 11 10 9 8 7 12 11 10 9 8 7 ? + mstr/inh2 slave pos. sense sense return output common positive output master slave 1 slave 2 28v ? + inhibit sync in positive input input common tr1 inh1 sync out sync in mstr/inh2 slave pos. sense sense return output common positive output positive input input common tr1 inh1 sync out sync in mstr/inh2 slave pos. sense sense return output common positive output f i g u r e 2: s e n s e c o n n e c t i o n s a n d t r i m t a b l e C s i n g l e o u t p u t m o d e l s f i g u r e 3: p a r a l l e l c o n n e c t i o n s C s i n g l e o u t p u t m o d e l s single output models connection diagrams - sense, trim and parallel notes 1. no one converter may carry more than its maximum rated current. 2. although 95% of the maximum current of paralleled converters is available, individual converter operation, load and layout may affect the actual current shared. contact applications engineering for more information powerapps@crane-eg.com. crane aerospace & electronics power solutions www.craneae.com/interpoint page 3 of 14 smflhp s ingle and dual dc/dc converters 28 volt input C 100 watt rev j - 2011.05.04 notes: 1. when using remote sense for voltage compen- sation or when using remote sense for trim, the output will drift over temperature. contact applications engineering for more information powerapps@crane-eg.com. 2. do not exceed the maximum rated power. v out i n c r e a s e r a (o h m s ) v o l t s 3.3 v 5 v 12 v 15 v 0.1 66 77 27 21 0.2 131 153 55 43 0.3 196 230 82 64 0.4 262 307 109 86 0.5 349 396 139 109
angled cor ner indicates pin one . 1 2 3 4 5 6 12 11 10 9 8 7 to p view smflhp (pin side , mar k ed side) f i g u r e 1: p in o u t pin out pin single output dual output 1 positive input positive input 2 input common input common 3 triple (tr1) triple (tr1) 4 inhibit 1 (inh1) inhibit 1 (inh1) 5 sync out sync out 6 sync in sync in 7 positive output positive output 8 output common output common 9 sense return negative output 10 positive sense no connection 11 slave slave 12 master/inhibit 2 (mstr/inh2) master/inhibit 2 (mstr/inh2) p ins not in use pin description action 3 tr1 leave unconnected 4 inhibit 1 (inh1) leave unconnected 5 sync out leave unconnected 6 sync in connect to input common 9 sense return connect to appropriate outputs 10 positive sense connect to appropriate outputs 11 slave leave unconnected 12 master/inhibit 2 (mstr/inh2) leave unconnected see cases u and v for dimensions. case v has the same pin out. crane aerospace & electronics power solutions www.craneae.com/interpoint page 4 of 14 smflhp s ingle and dual dc/dc converters 28 volt input C 100 watt rev j - 2011.05.04
m odel numbering key smflhp 28 05 s / k r base model input voltage output voltage environmental screening number of outputs (s = single, d = dual) radiation hardness assurance (rha) smd numbers s t a n d a r d m i c r o c i r c u i t d r a w i n g (smd) 5962r0620901kxc 5962r0822301kxc smflhp s e r i e s s i m i l ar p a r t smflhp283r3s/kr smflhp2815d/kr the smd number shown is for class h screening, non-flanged, and no radiation hardness assurance (rha) level. see the smd for the numbers for other screening and rha levels. for exact specifications for an smd product, refer to the smd drawing. smds can be down-loaded from: http://www.dscc.dla.mil/programs/smcr model selection o n t h e l i n e s b e l o w , e n t e r o n e s e l e c t i o n f r o m e a c h c a t e g o r y t o d e t e r m i n e t h e m o d e l n u m b e r . c ateg ory smflhp28 ___________ / _______ base model and input voltage output voltage 1 number of outputs 2 case/lead options 3 screening 4 rha 5 3r 3, 05, 12, 15 s (u, leave blank) o o smfl28 is the only available option 05, 12, 15 d v h p selection k r notes: 1. output voltage: an r indicates a decimal point. 3r3 is 3.3 volts out. 2. number of outputs: s is a single output and d is a dual output 3. case options: for the standard case (case u ) leave the case option blank. for case option v, insert the letter v in the case option position. 4. screening: a screening level of o is a space prototype and is only used with rha o. see screening tables 1 and 2 for more information. 5. rha: interpoint model numbers use an o in the rha designator position to indicate the - (dash) radiation hardness assurance level of mil-prf- 38534, which is defined as no rha. rha o is only available with screening level o. see screening table 2 for more information. crane aerospace & electronics power solutions www.craneae.com/interpoint page 5 of 14 smflhp s ingle and dual dc/dc converters 28 volt input C 100 watt rev j - 2011.05.04
notes 1. guaranteed by design, not tested. 2. u nit will shut down above approximately 45v but will be undamaged and will restart when voltage drops into normal range. 3. recovery time is measured from application of the transient to point at which vout is within 1% of final value. electrical characteristics: C55c to +125c t c , 28 vdc vin, 100% load, free run, unless otherwise specified. single output models smflhp283r3s smflhp2805s units parameter conditions min typ max min typ max output voltage 3.23 3.30 3.37 4.875 5.00 5.125 vdc output current v in = 19 t o 40 vd c 0 16 0 16 a output power v in = 19 t o 40 vd c 0 53 0 80 w output ripple 10 k h z - 2 mh z t c = 25 c 10 25 15 50 mv p-p t c = -55 c to +125 c 20 40 30 90 line regulation v in = 19 to 40 vd c 0 50 0 50 mv load regulation no load t o full 0 20 0 20 mv input voltage no load t o full continuous 19 28 40 19 28 40 vdc transient 1, 2 50 ms 80 80 v input current no load 70 120 70 120 ma inhibite d - inh1 9 15 9 15 inhibite d - inh2 35 80 35 80 input ripple current 10 k h z - 10 mh z 30 80 30 80 ma p-p efficiency t c = 25 c 70 72 76 80 % t c = -55 c t o +125 c 65 74 loa d fault short circuit power dissipation 15 24 15 22 w recovery 1 1.5 10 1.5 4 ms step load response 50% - 100% - 50% transient 350 400 350 400 mv pk recovery 1 , 3 1.5 3.0 1.5 3.0 ms step line response 1 19 - 40 -19 vd c transient 250 400 250 400 mv pk recovery 3 200 300 200 600 s start-up delay 3.5 10 3.5 10 ms overshoot 1 0 50 0 25 mv pk crane aerospace & electronics power solutions www.craneae.com/interpoint page 6 of 14 smflhp s ingle and dual dc/dc converters 28 volt input C 100 watt rev j - 2011.05.04
single output models smflhp2812s smflhp2815s units parameter conditions min typ max min typ max output voltage 11.76 12.00 12.24 14.55 15.00 15.45 vdc output current v in = 19 t o 40 vd c 0 7.5 0 6.67 a output power v in = 19 t o 40 vd c 0 90 0 100 w output ripple 10 k h z - 2 mh z t c = 25 c 30 85 30 95 mv p-p t c = -55 c to +125 c 45 150 45 175 line regulation v in = 19 to 40 vd c 0 50 0 50 mv load regulation no load t o full 0 20 0 20 mv input voltage no load t o full continuous 19 28 40 19 28 40 vdc transient 1, 2 50 ms 80 80 v input current no load 80 120 80 120 ma inhibite d - inh1 9 15 9 15 inhibite d - inh2 35 80 35 80 input ripple current 10 k h z - 10 mh z 30 80 30 80 ma p-p efficiency t c = 25 c 81 86 82 87 % t c = -55 c t o +125 c 79 80 loa d fault short circuit power dissipation 15 22 15 30 w recovery 1 1.5 4 1.5 4 ms step load response 50% - 100% - 50% transient 450 700 450 700 mv pk recovery 1 , 3 1.5 3.0 1.5 3.0 ms step line response 1 19 - 40 -19 vd c transient 250 800 250 800 mv pk recovery 3 200 600 200 600 s start-up delay 3.5 10 3.5 10 ms overshoot 1 0 50 0 50 mv pk electrical characteristics: -55c to +125c t c , 28 vdc vin, 100% load, free run, unless otherwise specified. notes 1. guaranteed by design, not tested. 2. u nit will shut down above approximately 45v but will be undamaged and will restart when voltage drops into normal range. 3. recovery time is measured from application of the transient to point at which vout is within 1% of final value. crane aerospace & electronics power solutions www.craneae.com/interpoint page 7 of 14 smflhp s ingle and dual dc/dc converters 28 volt input C 100 watt rev j - 2011.05.04
notes 1. guaranteed by design, not tested. 2. u p to 70% of the total output power (current) is available from either output provided the opposite output is carrying 30% of the power (current) in use. 3. effect on negative vout from 50%/50% loads to 30%/70% or 70%/30% loads. 4. effect on negative vout from 50%/50% loads to 10% then 50% load on nega - tive vout 5. u nit will shut down above approximately 45v but will be undamaged and will restart when voltage drops into normal range. 6. recovery time is measured from application of the transient to point at which vout is within 1% of final value. electrical characteristics: -55c to +125c t c , 28 vdc vin, 100% load, free run, unless otherwise specified. dual output models smflhp2805d smflhp2812d smflhp2815d units parameter conditions min typ max min typ max min typ max output voltage + v out 4.85 5.00 5.15 11.64 12.00 12.36 14.55 15.00 15.45 vdc - v out 4.82 5.00 5.18 11.58 12.00 12.42 14.47 15.00 15.53 output current 2 v in = 19 t o 40 vd c each output 0 8 11.2 0 3.75 5.3 0 3.33 4.67 a total 16.0 0 7.5 0 6.67 output power 2 v in = 19 t o 40 vd c each output 0 40 56 0 45 63 0 50 70 w total 0 80 0 90 0 100 output ripple 10 k h z - 2 mh z + v out 25 150 50 175 50 225 mv p-p - v out 25 150 50 75 50 225 line regulation v in = 19 to 40 vd c + v out 0 50 0 50 0 50 mv - v out 25 100 25 100 25 100 load regulation no load t o full + v out 0 50 10 100 10 100 mv - v out 25 100 50 200 50 200 cross regulation t c = 25 c see note 3 6 8 2 4 2 4 % see note 4 7 8 2 4 2 4 input voltage no load t o full continuous 19 28 40 19 28 40 19 28 40 vdc transient 1 , 5 50 ms 0 80 0 80 0 80 v input current no load 50 120 50 120 50 120 inhibite d - inh1 9 14 9 14 9 14 ma inhibite d - inh2 35 80 35 80 35 80 input ripple current 10 k h z - 10 mh z 30 80 30 80 30 80 ma p-p efficiency t c = 25 c 75 80 81 86 82 87 % balanced load t c = -55 c to +125 c 73 82 80 loa d fault power dissipation short circuit 15 25 15 22 15 21 w recovery 1 , 6 1.5 4.0 1.5 4.0 1.5 4.0 ms step load response v out , 50% - 100% - 50% transient 350 450 450 700 450 700 mv pk recovery 1 , 6 1.5 3.0 1.5 3.0 1.5 3.0 ms step line response 1 v out , 19 - 40 -19 vd c transient 1 250 600 250 800 250 800 mv pk recovery 1 , 6 200 300 200 600 200 600 s start-up delay 3.5 20 3.5 20 3.5 20 ms overshoot 1 0 25 0 50 0 50 mv pk crane aerospace & electronics power solutions www.craneae.com/interpoint page 8 of 14 smflhp s ingle and dual dc/dc converters 28 volt input C 100 watt rev j - 2011.05.04
output (watts) smflhp2805s & smflhp2805d efficiency efficiency ( %) 60 90 85 80 75 70 10 30 50 70 90 28v 40v 65 19v f i g u r e 4 output power (watts) smflhp2812s & smflhp2812d efficiency efficiency ( %) 60 90 85 80 75 70 10 30 50 70 90 65 19v 28v 40v f i g u r e 5 f i g u r e 6 60 90 85 80 75 70 10 30 50 70 90 65 output power (watts) smflhp2815s & smflhp2815d efficiency efficiency ( %) 19v 40v 28v 100 f i g u r e 7 f i g u r e 9 0.1 0. 20. 40. 60. 80. 100. attenuation (db) frequency (khz) smflhp series audio rejection 11 0 100 100mv/div. 100% to 50% 50% to 100% 1ms/div smflhp2805s step load response 50 s/div 19 to 40 v smflhp2805s step line response 100mv/div. 20v/div. vo ut vin f i g u r e 8 1ms/div no load smflhp2805s turn on response 1v/div. 20v/div. vin v out f i g u r e 10 50 s/div 19 to 40 v smflhp2815d step line response 100mv/div. +v out ?v out vin 20v/div. f i g u r e 11 f i g u r e 12 1ms/div smflhp2815d step load response 200mv/div. 100% to 50% 50% to 100% typical performance curves: 25c tc , 28 vdc vin, 100% load, free run, unless otherwise specified. crane aerospace & electronics power solutions www.craneae.com/interpoint page 9 of 14 smflhp s ingle and dual dc/dc converters 28 volt input C 100 watt rev j - 2011.05.04
f i g u r e 13 f i g u r e 15 5v/div. 20v/div. v in ?v out +v out 1ms/div no load smflhp2815d turn on response 30 40 50 60 70 80 16 18 17 90 19 output power (watts) low line dropout input voltage (volts) 100 smflhp2805s & 5d smflhp2815s & 15d smflhp2812s & 12d 0 30 40 50 60 ? 8 ? 6 ? 4 ? 2 2 4 6 8 smflhp2812d smflhp2805d 70 smflhp2815d output load (%) +pout 70 to 30 %, ?pout 30 to 70% cross regulation ?vout voltage change (%) f i g u r e 14 typical performance curves: 25c tc , 28 vdc vin, 100% load, free run, unless otherwise specified. f i g u r e 16 vi n rise-time (s) 10 600 700 400 500 200 300 0 line t ransient response mvp 100 1000 10000 100 -55c 125c 100c 25c smflhp2815d line t ransient response vs. v in rise-time crane aerospace & electronics power solutions www.craneae.com/interpoint page 10 of 14 smflhp s ingle and dual dc/dc converters 28 volt input C 100 watt rev j - 2011.05.04
angled corner indicates pin one. 1 2 3 4 5 6 12 11 10 9 8 7 0.000 0.050 (1.27) 0.000 0.120 (3.05) 0.250 (6.35) 0.450 (11.43) 0.650 (16.51) 0.850 (21.59) 1.050 (26.67) 1.250 (31.75) 1.380 (35.05) 1.505 (38.23) max. 0.000 0.120 (3.05) 0.250 (6.35) 2.750 (69.85) 2.880 (73.15) 3.005 (76.33) max. 0.128 dia (3.25). 0.040 dia (1.02) 0.23 (5.8) pin length 0.400 (10.16) max. 0.220 (5.59 top view case u* flanged case, short-leaded seam seal * does not require designator in case option position of model number. case dimensions in inches (mm) tolerance 0.005 (0.13) for three decimal places 0.01 (0.3) for two decimal places unless otherwise specified caution heat from reflow or wave soldering may damage the device. solder pins individually with heat application not exceeding 300c for 10 seconds per pin. materials header cold rolled steel/nickel/gold cover kovar/nickel pins #52 alloy/gold, compression glass seal seal hole: 0.100 0.002 (2.54 0.05) case u, rev f, 20100503 f i g u r e 17: c a s e u crane aerospace & electronics power solutions www.craneae.com/interpoint page 11 of 14 smflhp s ingle and dual dc/dc converter cases 28 volt input C 100 att rev j - 2011.05.04
0.000 0.220 (5.59) 0.050 (1.27) 0.400 (10.16) max ref: 0.250 0.050 (6.35 1.27) ref: 0.225 (5.72 3.45 (87.6) reference (lead center to lead center) 0.000 0.120 (3.05) 0.250 (6.35) 0.450 (11.43) 0.650 (16.51) 0.850 (21.59) 1.050 (26.67) 1.250 (31.75) 1.380 (35.05) 0.000 0.120 (3.05) 0.250 0.010 (6.35 0.3) 2.750 (69.85) 2.880 (73.15) 0.128 dia (3.25) 0.040 dia (1.02) top view case v* flanged case, down leaded * designator "v" required in case option position of model number. 1 2 3 4 5 6 12 11 10 9 8 7 maximum dimensions: 3.005 x 1.505 (76.33 x 38.23 mm) angled corner indicates pin one. 3.005 (76.33) max case dimensions in inches (mm) tolerance 0.005 (0.13) for three decimal places 0.01 (0.3) for two decimal places unless otherwise specified caution heat from reflow or wave soldering may damage the device. solder pins individually with heat application not exceeding 300c for 10 seconds per pin. materials header cold rolled steel/nickel/gold cover kovar/nickel pins #52 alloy/gold, compresssion glas seal seal hole: 0.120 0.002 (3.05 0.05) case v, rev f, 2010624 please refer to the numerical dimensions for accuracy. seam seal f i g u r e 18: c a s e v crane aerospace & electronics power solutions www.craneae.com/interpoint page 12 of 14 smflhp s ingle and dual dc/dc converter cases 28 volt input C 100 att rev j - 2011.05.04
s c r e e n i n g t a b l e 1: e l e m e n t e v a l u a t i o n s c r e e n i n g t a b l e 1 : e l e m e n t e v a l u a t i o n - s p a c e c o n v e r t e r s a n d f i l t e r s c l a s s h a n d k, mil-prf-38534 e l e m e n t e v a l u a t i o n c o m p o n e n t -l e v e l t e s t p e r f o r m e d s p a c e p r o t o t y p e (o) 1 n o n -qml /h c l a s s h qml /k c l a s s k qml m/s 2 m/s 2 p 3 m/s 2 p 3 element electrical ? ? ? ? ? visual ? ? ? ? internal visual ? ? temperature cycling ? ? constant acceleration ? ? interim electrical ? burn-in ? post burn-in electrical ? steady state life ? voltage conditioning aging ? visual inspection ? final electrical ? ? ? ? wire bond evaluation ? ? ? ? sem ? c-sam: input capacitors only addl test, not req. by h or k ? ? notes: 1. non-qml products may not meet all of the requirements of mil-prf-38534. 2. m/s = active components (microcircuit and semiconductor die) 3. p = passive components, class h and k element evaluation. not applicable to space prototype (o) element evaluation. definitions: element evaluation: component testing/screening per mil-std-883 as determined by mil-prf-38534 sem: scanning electron microscopy c-sam: c - mode scanning acoustic microscopy crane aerospace & electronics power solutions www.craneae.com/interpoint page 13 of 14 smflhp s ingle and dual dc/dc converters 28 volt input C 100 watt rev j - 2011.05.04
s c r e e n i n g t a b l e 2: e n v i r o n m e n t a l s c r e e n i n g a n d rha c l a s s h a n d k, mil-prf-38534 e n v i r o n m e n t a l s c r e e n i n g a n d rha 1 non-qml 2 qml 3 c l a s s h c l a s s k t e s t p e r f o r m e d /oo /hp /hr /kp /kr non-destruct bond pull, method 2023 ? 4 ? 4 ? ? pre-cap inspection, method 2017, 2032 ? ? ? ? ? temperature cycle (10 times) method 1010, cond. c, -65c to +150c, ambient ? ? ? ? ? constant acceleration method 2001, 3000 g (qual 5000 g) ? ? ? ? ? pind, test method 2020, cond. a ? 4 ? 4 ? ? pre burn-in test, group a, subgroups 1 and 4 ? ? 4 ? 4 ? ? burn-in method 1015, +125c case, typical 5 96 hours ? 160 hours ? ? 2 x 160 hours (includes mid-bi test) ? ? final electrical test, mil-prf-38534, group a, subgroups 1 and 4: +25c case ? subgroups 1 through 6, -55c, +25c, +125c case ? ? ? ? hermeticity test gross leak, method 1014 ? ? ? ? ? fine leak, method 1014 ? ? ? ? ? radiography, method 2012 ? ? post radiography electrical test, +25c case ? 4 ? 4 final visual inspection, method 2009 ? ? ? ? ? rha p: 30 krad(si) total dose 6 ? ? rha r: 100 krad(si) total dose 6 ? ? see let 40 mev-cm 2 /mg 7 ? ? ? ? test methods are referenced to mil-std-883 as determined by mil-prf-38534. notes: 1. redmond site, interpoint brand, has a dscc approved radiation hardness assurance plan. our smd products with rha p or r code met dscc requirements. 2. space prototypes are non-qml products and may not meet all of the requirements of mil-prf-38534. o in the rha designator position in interpoint model numbers indicates dscc rha - defined as no rha. 3. all processes are qml qualified and performed by certified operators. 4. not required by dscc but performed to assure product quality. 5. burn-in temperature designed to bring the case temperature to +125c minimum. 6. includes low dose rate to the rated total dose (tid) 7. no upset at the pins. s c r e e n i n g t a b l e 2: e n v i r o n m e n t a l s c r e e n i n g a n d rha crane aerospace & electronics power solutions smflhp single and dual, rev j - 2011.05.04. this revision supersedes all previous releases. all technical information is believed to be accurate, but no responsibility is assumed for errors or omissions. crane electronics, inc. reserves the right to make changes in products or specifications without notice. smflhp series is a trademark of crane electronics, inc. copyright ? 1999 - 2011 crane electronics, inc. all rights reserved. www.craneae.com/interpoint page 14 of 14 smflhp s ingle and dual dc/dc converters 28 volt input C 100 watt

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