>> 1 the 1 1 8 8 0 0 0 0 s s e e r r i i e e s s of 16w dc/dc converter modules combine innovative design techniques, conservative component selection and stringent test standards to achieve very high levels of reliability, performance and power density. per mil-hdbk-217f, that mt bf is >600,000 hours (+25 o c ground benign) and greater than 125,000 hours for airborne inhabited. the 1 1 8 8 0 0 0 0 s s e e r r i i e e s s has been designed specifically to meet the rigorous demands of avionics equipment. eight models have wide 16 vdc to 36 vdc inputs, centered on 28 vdc. single, dual or triple output combinations of 5, 12, 15, 5, 12 and 15 vdc are provided. standard features include 1000 vdc input/output isolation, output ripple and noise of less than 1% and continuous short circuit protection. efficiency is as high as 80%. a remote on/off control input and internal pi filter are standard. long field life is insured by extensive reliability screening at martek power. all 1 1 8 8 0 0 0 0 s s e e r r i i e e s s units are designed to the require- ments of mil-std-202 and mil-std-810. as part of the normal production processing, each unit is subjected to 72 hours of burn-in with power cycling and load switching. the 1 1 8 8 0 0 0 0 s s e e r r i i e e s s converters have been qualifed and meet mil-std-704d emergency power conditions for aircraft, and mil-std-461c and mil-std-1275a for emi and transient protection. compliance to the emi standards of mil-std-461c (including ce01 and r e01) is achieved without the need for external filter- ing components. each 1 1 8 8 0 0 0 0 m m o o d d e e l l is packaged in a very low profile 2.56 x 3.0 x 0.4 inch metal case. six-sided continuous shielding insures each converter meets the requirements of vde 0871 class b for radiated emissions. full operation is specified over the wide temperature range of -55 o c to +85 o c with no derating or heatsinking required. cooling is by free-air convection. martek powers 1 1 8 8 0 0 0 0 s s e e r r i i e e s s has been designed to meet the military standards applicable to avionics applications. for specific information on test methods and/or test levels or our own reliability processing, please contact the factory. some of the applicable military standards include: m m i i l l - - s s t t d d - - 8 8 1 1 0 0 e e this standard establishes the methods of testing the effects of natural and induced environments on equipment used in military applications. m m i i l l - - s s t t d d - - 4 4 6 6 1 1 c c this stnadard sets the design and documentation requirements for controlling the electromagnetic emission and suseptibility characteristics of electronic equipment. m m i i l l - - s s t t d d - - 2 2 0 0 2 2 e e this standard outlines the test methods for determining a components resistance to the effects of natural elements and conditions. typically used on small components such as resistors, capacitors and transformers. tests numbered 300 thru 399 cover electrial characteristics. m m i i l l - - s s t t d d - - 1 1 2 2 7 7 5 5 a a this standard describes the transient voltage characteristics and steady state limits for 28 vdc powered circuits used in military vehicle. m m i i l l - - s s t t d d - - 7 7 0 0 4 4 d d this standard defines the conducted electrial power characteristics for aircraft systems at the interface between the power system and electronic equipment. it insures the compability of aircraft electric systems and ground support d d e e s s c c r r i i p p t t i i o o n n s s 1800 series single, dual, triple output dc/dc converter ? ? 0 0 . . 4 4 0 0 0 0 i i n n c c h h c c a a s s e e p p r r o o f f i i l l e e ? ? - - 5 5 5 5 o o c c t t o o + + 8 8 5 5 o o c c a a m m b b i i e e n n t t o o p p e e r r a a t t i i o o n n ? ? w w i i d d e e i i n n p p u u t t v v o o l l t t a a g g e e r r a a n n g g e e ? ? i i n n p p u u t t f f i i l l t t e e r r m m e e e e t t s s r r e e q q u u r r i i e e m m e e n n t t s s o o f f m m i i l l - - s s t t d d - - 4 4 6 6 1 1 c c , , m m i i l l - - s s t t d d - - 7 7 0 0 4 4 d d a a n n d d m m i i l l - - s s t t d d - - 1 1 2 2 7 7 5 5 a a ? ? m m e e e e t t s s m m i i l l - - s s t t d d - - 2 2 0 0 2 2 a a n n d d m m i i l l - - s s t t d d - - 8 8 1 1 0 0 t t e e s s t t c c o o n n d d i i t t i i o o n n s s ? ? > > 6 6 0 0 0 0 , , 0 0 0 0 0 0 h h o o u u r r s s m m t t b b f f p p e e r r m m i i l l - - h h d d b b k k - - 2 2 1 1 7 7 f f ? ? 6 6 s s i i d d e e d d c c o o n n t t i i n n u u o o u u s s s s h h i i e e l l d d i i n n g g f f e e a a t t u u r r e e s s www.make-ps.com e-mail:info@make-ps.com
i i n n p p u u t t c c h h a a r r a a c c t t e e r r i i s s t t i i c c s s o o u u t t p p u u t t c c h h a a r r a a c c t t e e r r i i s s t t i i c c s s g g e e n n e e r r a a l l c c h h a a r r a a c c t t e e r r i i s s t t i i c c s s efficiency 6 isolation voltage isolation isolation resistance acceleration shock vibration altitude humidity switching frequency 1 = the max. input range of 16 to 50 vdc is specified for 250 ms (per mil-std-704d). 2 = total output power should not exceed 16w. the load on any auxiliary output should not exceed 500 ma. 3 = outputs are adjustable on single and dual output units only. 4 = voltage balance is measured with balanced loads applied. 5 = transient response is measured on the primary output for a 50% load change (50% load to full load). 6 = efficiency is specified at nominal input line and full load. 7 = these converters have a thermal resistance of 2.1 o c/w (internally dissipated). the internal thermal protection circuits are trigged if the case temperature exceeds 95 o c. maintaining the module case temp. below 95 o c can be accomplished by mounting a low thermal resistance heat sink (with vertically orientated fins) to the case with a thermally conductive compond. this will significantly increase heat transfer from the module to the ambient. forced convection cooling can also be used. the amount of cooling will depend upon the flow of air in linear feer per minute (lfm) over the module. >> 2 voltage & current ratings 2 output voltage accuracy single/dual output models triple output models voltage adjustment 3 voltage balance 4 dual outputs triple outputs (aux. outputs) ripple & noise, 20 mhz bw line regulation single output models dual output models triple output models: primary aux. load regulation single output models dual output models triple output models:primary aux. min. load temperature coefficient @ fl temperature coefficient balance transient recovery time 5 short circuit protection over voltage protection unit/comments see model selection guide 1%, max. 4%, max. 5% 2%, max. 4%, max. 1% pk-pk of vout 0.5%, max. 0.5%, max. 0.5%, max. 1.0%, max. 0.5%, max. 1.0%, max. 0.5%, max. 1.0%, max. 10% of full load 0.02%/ o c, max. 1% 100 sec max. to 1%of final value all outputs, by input current limiting see model selection guide input voltage, nominal input voltage range 1 input surge input filter reverse polarity input current short circuit current limit overvoltage shutdown undervotlage shutdown transient protection remote on/off control supply on supply off logic input reference logic compability standby current unit/ comments 28 vdc 18 vdc to 36 vdc per mil-std-704d and mil- std-1275a dual input( )pi network. differential and common mode type. meets the requirements of fcc 20780 class b for computing dervices. meets requirements of mil-std-461c, ce01. 12a, max. 150% of current input > 50 vdc 8 vdc 600w @ 1 msec 5.5 vdc or open circuit 0 vdc to 0.8 vdc negative (-) input ttl open collector or cmos open drain 32 ma unit / comment see model selection guide 1000 vdc, min; primary to sec. for 1 min. per mil-std-202f, method 301. 100 mohms per mil-std-202f, method 302, test condition b per mil-std-810e, method 513.4, prodedure ii. operation test (centrifuge) 12gs (manned aerospace vehicles). per mil-std-810e, method 516.4, procedure i. functional shock 40gs. per mil-std-810e, method 514.4, prodedure i, cat 6 (equipment installed in helicopters) per mil-std-810e, method 500.3, prodedure iii. rapid decompression, 40k ft. per mil-std-810e, method 507.3, procedure i. natural non-hazardous items, cycle 1,240 hrs. 100 khz, min. s s p p e e c c i i f f i i a a t t i i o o n n n n o o t t e e s s www.make-ps.com e-mail:info@make-ps.com
e e n n v v i i r r o o n n m m e e n n t t a a l l s s p p e e c c i i f f i i c c a a t t i i o o n n s s o o u u t t l l i i n n e e d d r r a a w w i i n n g g all specifications are typical at nominal input, nominal load and 25 c unless otherwise specified. external, low esr, 10 microfarad (minimum) capacitor across output is recommended for operation. p p h h y y s s i i c c a a l l c c h h a a r r a a c c t t e e r r i i s s t t i i c c s s unit/comments 2.56 x 3.0 x 0.40 inches (66 x 76.2 x 10.2 mm) coated copper 4 oz (113g) six-sided, continuous pin 3 (- input) case size case material weight shielding shield connection reliability specifications: mtbf; per mil-hdbk-217f unit/comments o c; ambient o c; ambient operating temp. range storage temp. range overtemperature 7 cooling min -55 -60 typ max +85 +125 notes: for proper operation of a single output unit without sensing or external trimming, connect + output sense (pin 5) to + output (pin 8) and - output sense (pin 7) to - output (pin 9) all dimensions are typical in inches (mm) tolerance: inches mm x.xx = 0.02 x.x = 0.5 x.xxx= 0.010 x.xx = 0.25 mounting inserts are 4-40x .10(2.5) deep p p i i n n o o u u t t c c h h a a r r t t ; ; c c a a s s e e a a >> 3 protected by auto shutdown w/ an auto restart meets the requirement of vde 0871 class b for radiated emissions. also meets mil-std-461c re01. (see shielding) ground, @+25 o c ambient - 616,846 hrs. ground fixed, @ +25 o c ambient - 250,000 hrs. single remote on/off + input - input sync + output sense trim - output sense + output - output no pin dual remote on/off + input - input sync + output common - output output trim no pin no pin triple remote on/off + input - input sync + output (aux) common (aux) -output (aux) + 5v output -5v output output trim(5v) pin 1 2 3 4 5 6 7 8 9 10 www.make-ps.com e-mail:info@make-ps.com
h h o o w w t t o o o o r r d d e e r r 18 xx d xx - y output voltage h h o o w w t t o o o o r r d d e e r r m m o o d d e e l l s s e e l l e e c c t t i i o o n n c c h h a a r r t t model nominal input voltage (vdc) input voltage range (vdc) no load input current (ma) full load input current (ma) output voltage (vdc) output current (ma) output over voltage (vdc) efficiency @fl (%) output configuration (s=single, d=dual) series number rohs compliant nominal input voltage 1805s28 1812s28 1815s28 1805d28 1812d28 1815d28 1805/12t28 1805/15t28 28 28 28 28 28 28 28 28 16 - 36 16 - 36 16 - 36 16 - 36 16 - 36 16 - 36 16 - 36 16 - 36 50 50 50 50 50 50 50 50 730 730 730 730 730 730 730 730 5 12 15 5 12 15 5/12 5/15 3200 1330 1067 1600 670 530 2000/250 2000/200 6.8 15.0 18.0 6.8 15.0 18.0 6.8/15.0 6.8/18.0 78 78 78 78 80 80 78 78 >> 4 18 xx /15 t xx - y output voltage aux output voltage series number rohs compliant nom input voltage output config (t= triple) www.make-ps.com e-mail:info@make-ps.com
|
