hybrid ic v la309 - 156r isolated type dc - dc converter description the vla30 9 - 156 r is a n isolated dc - dc converter design - ed to control the industrial equipment. it can convert the high voltage to low voltage 3 outputs. total output power is 8 .5 w. features ? input ------------ dc 400 v to 800 v dc ? output - ---------- + 15 v, 55 0ma ( 8.25 w) + 5 v, 5 0 0ma ( 2.5 w) - 15v, 50ma (0.75w) ? electrical isolation (between input and output s ) ------------- 2 500vrms 1 minute applications on board p ower supply for control equipment outline drawing dimensions : mm block diagram 44.0max 19.5max 91.0max 31 1 7.5max 7.5max 2.54x30=76.20 opto - coupler + v o 1 pwm control voltage constant step - down converter 20 21 23 24 27 31 29 30 - v o 2 + v o 3 + v in current sen s ing 26 snubber voltage constant 5 12 9 10 11 - v in common - v o 3 rs in 6 3 2 1 4 test tes t nc nc test test
hybrid ic v la309 - 156r isolated type dc - dc converter 2 maximum ratings (unless otherwise noted, ta=25 c) symbol parameter cond itions ratings unit v in input voltage between pins 5,6 - 9,10 8 0 0 v i o 1 output current 1 between pins 20,21 - 23,24 (*1) 55 0 ma i o 2 output current 2 between pins 23, 24 - 2 7 (*1) 5 0 i o 3 output current 3 between pins 31 - 30 (*1) 500 pomax total m aximu m output power vo1*io1+|vo2|*io2+1.25*vo3*io3 8.5 w topr operating temperature no condensation - 1 0 ~ + 5 0 (* 2 ) c tstg storage temperature no condensation - 20 ~ +8 5 c viso electrical isolation between input and output 1 sine wave voltage, 60hz, 1min 2 500 vrms (* 1 ) please use it within the range w hich is lower than total maximum output power . (* 2 ) please ref er to derating characteristics. electrical characteristics (unless otherwise noted, v in = 600 v, ta=25 c) symbol parameter test conditions limits u nit m in . t yp . m ax . v in input voltage recommended range 40 0 60 0 8 0 0 v vo1 output voltage 1 io1= 55 0ma 14.25 15. 0 15.75 v vo2 output voltage 2 io2= 5 0 ma - 15.75 - 15.0 - 14.25 v vo 3 output voltage 3 io 3 = 5 00ma 4.75 5.0 5.25 v reg - i 1 input regulation 1 po =8.5w, v in = 40 0~ 8 0 0v - - 300 mv reg - i 2 input regulation 2 - - 30 0 mv reg - i 3 input regulation 3 20 mv reg - l 1 load regulation 1 io1= 10 0~ 5 00ma, vo1 output - - 15 0 mv reg - l 2 load regulation 2 io2=10~50ma, vo2 output - - 15 0 mv reg - l 3 load regulation 3 io3=100~500ma, vo3 output - - 50 mv efficiency po=8.5w - 65 - %
hybrid ic v la309 - 156r isolated type dc - dc converter 3 test circuit diagram caution (1) it is used the electrolytic capacitors which has the low impedance for output capacitor. (2) vla309 - 156r haven t short circuit protection function, so please avoid the short circuit (3) the starting time (ms ec. ) is calculated by below formula . vin 0.2 r s +1/cs vin 17.2 0.2 r s +1/c s *at a n o load. v v vo1 vo2 vla309 - 156r v in io1 io2 v vo3 io3 c in 1250v 0.1f co1 35v 470f cex 35v 47f co2 35v 47f co3 25v 220f 21 20 23 24 26 27 29 31 30 10 35v 47 f 9 6 5 12 c s rs 3w 6 00k + + + + + csrsln
hybrid ic v la309 - 156r isolated type dc - dc converter 4 t ypical characteristics curves 0 5 10 15 20 0 100 200 300 400 500 600 700 800 900 output voltage vo1 (v) input voltage v in (v) vo1 output voltage - input voltage po=8.5w 0.00 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0 100 200 300 400 500 600 700 800 900 input current i in (a) input voltage v in (v) input current - input voltage po=8.5w 0 10 20 30 40 50 60 70 80 90 100 0.00 0.10 0.20 0.30 0.40 efficiency (%) output current io1 (a) efficiency - output current 0 10 20 30 40 50 60 70 80 90 100 300 400 500 600 700 800 900 efficiency (%) input voltage v in (v) efficiency - input voltage po=8.5w -20 -15 -10 -5 0 0 100 200 300 400 500 600 700 800 900 output voltage vo2 (v) input voltage v in (v) vo2 output voltage - input voltage po=8.5w 0 1 2 3 4 5 6 0 100 200 300 400 500 600 700 800 900 output voltage vo3 (v) input voltage v in (v) vo3 output voltage - input voltage po=8.5w 0 10 20 30 40 50 60 70 80 90 100 0.0 2.0 4.0 6.0 8.0 10.0 efficiency (%) total output power po (w) efficiency - output power vin=600v 0 5 10 15 20 0 0.4 0.8 1.2 1.6 2 2.4 output voltage vo1 (v) output current io1 (a) output voltage - output current 0 5 10 15 20 0 0.05 0.1 0.15 0.2 0.25 0.3 output voltage vo2 (v) output current io2 (a) output voltage - output current 0 1 2 3 4 5 6 0 0.2 0.4 0.6 0.8 1 1.2 output voltage vo3 (v) output current io3 (a) output voltage - output current vin=600v
hybrid ic v la309 - 156r isolated type dc - dc converter 5 for safety using great detail and careful attention are given to the production activity of hics, such as the development, the quality of prod uction, and in its reliability. however the reliability of hics depends not only on their own factors but also in their condition of usage. when handling hics, please note the following cautions. cautions packing carrying storage extended storage maximum ratings polarity the materials used in packing hics can only withstand normal external conditions. when exposed to outside shocks, rain and certain environmental contaminators, the packing materials will deteriorates. please take care in handling. 1) dont stack boxes too high. avoid placin 2) boxes must be positioned correctly during transportation to avoid breakage. 3) don't throw or drop boxes. 4) keep boxes dry. avoid rain or snow. 5) minimal vibration and shock during transportation is desirable. when storing hics, ple ase observe the following notices or possible deterioration of their electrical characteristics, risk of solderability, and external damage may occur. 1) devices must be stored where fluctuation of temperature and humidity is minimal, and must not be exposed to direct sunlight. store at the normal temperature of 5 to 30 degrees celsius with humidity at 40 to 60%. 2) avoid locations where corrosive gasses are generated or where much dust accumulates. 3) storage cases must be static proof. 4) avoid putting w eight on boxes. when extended storage is necessary, hics must be kept non - processed. when using hics which have been stored for more than one year or under severe conditions, be sure to check that the exterior is free from flaw and other damages. t o prevent any electrical damages, use hics within the maximum ratings. the temperature, current, voltage, etc. must not exceed these conditions. to protect hics from destruction and deterioration due to wrong insertion, make sure of polarity in inse rting leads into the board holes, conforming to the external view for the terminal arrangement. power module division 6 - 41 tsukuba, isahaya, nagasaki, 854 - 0065 japan mar . 20 13 keep safety first in your circuit designs! ? isahaya electronics corporation puts the maximum effort into making semiconductor products better and more reliable, but there is alw ays the possibility that trouble may occur with them. trouble with semiconductors may lead to personal injury, fire or property damage. remember to give due consideration to safety when making your circuit designs, with appropriate measures such as (1)placement of substitutive, auxiliary circuits, (2)use of non - flammable material or (3)prevention against any malfunction or mishap. notes regarding these materials ? these materials are intended as a reference to our customers in the selection of the isahaya products best suited to the customer's application; they don't convey any license under any intellectual property rights, or any other rights, belonging to isahaya electronics corporation or a third party. ? isahaya electronics corporation assumes no responsibility for any damage, or infringement of any third party's rights, originating in the use of any product data, diagrams, charts or circ uit application examples contained in these materials. ? all information contained in these materials, including product data, diagrams and charts, represent information on products at the time of publication of these materials, and are subject to change by isahaya electronics corporation without notice due to product improvements or other reasons. it is therefore recommended that customers contact isahaya electronics corporation or an authorized isahaya products distributor for the la test product information before purchasing a product listed herein. ? isahaya electronics corporation products are not designed or manufactured for use in a device or system that is used under circumstances in which human life is potentiall y at stake. please contact isahaya electronics corporation or an authorized isahaya products distributor when considering the use of a product contained herein for any specific purposes, such as apparatus or systems for transportation, vehicul ar, medical, aerospace, nuclear, or undersea repeater use. ? the prior written approval of isahaya electronics corporation is necessary to reprint or reproduce in whole or in part these materials. ? if these products or technologies are su bject to the japanese export control restrictions, they must be exported under a license from the japanese government and cannot be imported into a country other than the approved destination. any diversion or re - export contrary to the export control laws and regulations of japan and/or the country of destination is prohibited. ? please contact isahaya electronics corporation or an authorized isahaya products distributor for further details on these materials or the products contai ned therein.
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