hybrid ic vla124 - 24151r isolated dc - dc converter 1 description the vla124 is an isolated dc - dc converter module . its output power is 1.5w and the input is isolated from the output . the over - current protection circuit is built - in a nd it is the best for on - board power supplies, such as industrial equipment and control equipment. . features - input voltage range : 21.6 to 26.4 v - outpu t : +15v+/ - 5 %, 100ma (output power : 1.5w) - isolation voltage strength 40 00v rms , 1 minute (input to output) - low noise - built - in over current protection - rohs compliance applications on - board power supplies for control equipment block diagram inverter transformer rectifier constant voltage control vin+ vo+ 9 13 4 3 1,2,5pin:n.c. vo - vin - 10 12 outline drawing dimensions: mm max 42.0 vla124 - 24151r type number lot no. and pin no.1 max 6.0 2.54 0.75 max 6.0 pin no. max 29.0 max 7.5 max 11.0 max 18.0 3.5 1.5 0.5 +0.20 - 0.10 +0.15 - 0.10 mark surface
hybrid ic vla124 - 24151r isolated dc - dc converter 2 maximum ratings ( u nless otherwise noted, ta=25 deg ) symbol parameter conditions ratings unit v i n input voltage pin 9,10 C 12,13 2 7 v i o output current pin 3 C 4 1 00 ma topr operating temperature no condensation ( *1 ) - 20 ~ + 80 (*1) deg tstg storage temperature no condensation - 25 ~ +85 deg viso i solation voltage between input and output sine wave voltage, 60hz, 1min 40 00 vrms (*1) please refer to de - rating characteristics. electrical characteristics ( u nless otherwise noted, v in =24v , ta=25 deg ) symbol parameter test conditions limits unit min. typ. max. v in input voltage recommended range 21.6 - 26.4 v v o output voltage i o =0 ~ 100ma 14.25 15 15.75 v r eg - i input regulation i o =100ma, v in =21.6 ~ 26.4v 50 mv r eg - l load regulation i o =0 ~10 0ma - - 400 mv v p - p output ripple i o =100ma - - 50 mv efficiency i o =100ma - 50 - % test circuit it is used the electrolytic capacitors which has the low impedance for output capacitor. vla124 load a v i o v o + + 47 f 100 f v in 9 ,10 12,13 4 3
hybrid ic vla124 - 24151r isolated dc - dc converter 3 typical characteristic curves (typical characteristics, unless otherwise noted ta=25 deg) 0 5 10 15 20 0 0.1 0.2 0.3 output voltage v o (v) output current i o (a) over current characteristics ta=-20deg ta=25deg ta=80deg 0 10 20 30 40 50 60 0 0.05 0.1 efficiency (%) output current i o (a) effciency - output current characteristics ta=-20deg ta=25deg ta=80deg 0 10 20 30 40 50 60 70 80 90 100 21.6 24 26.4 efficiency (%) input votage v in (v) effciency - input voltage characteristics ta=-20deg ta=25deg ta=80deg 0 4 8 12 16 0 10 20 30 output voltage v o (v) input votage v in (v) output voltage - input voltage characteristics2 ta=-20deg ta=25deg ta=80deg 10 15 20 0 0.02 0.04 0.06 0.08 0.1 output voltage v o (v) output current i o (a) output voltage - output current characteristics vin=26.4v vin=21.6v vin=24v v in =26.4v v in =21.6v v in =24v output voltage v o (v) input voltage v in (v) output voltage - input voltage characteristics1
hybrid ic vla124 - 24151r isolated dc - dc converter 4 0 0.02 0.04 0.06 0.08 0.1 0.12 0.14 0 10 20 30 input current iin (a) input voltage v in (v) input current - input voltage characteristics ta=-20deg ta=25deg ta=80deg 0 0.02 0.04 0.06 0.08 0.1 0.12 -20 -10 0 10 20 30 40 50 60 70 80 90 output current i o a) ambient temperature ta(deg) derating characteristics vin=26.4v vin=21.6v vin=24v v in =26.4v v in =21.6v v in =24v
hybrid ic vla124 - 24151r isolated 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 production, and in its reliability. however the reliability of hics depends not only on their own factors but also in their condition of usage. whe n 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 placing heavy materials on boxes. 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, please observe the following notices or possible deterioration of their electrical characteristics, risk of solder ability, and external damage may occ ur. 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 a re generated or where much dust accumulates. 3) storage cases must be static proof. 4) avoid putting weight 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 se vere conditions, be sure to check that the exterior is free from flaw and other damages. to prevent any electrical damages, use hics within the maximum ratings. the temperature, current, voltage, etc. must not exceed these conditions. to protect hics f rom destruction and deterioration due to wrong insertion, make sure of polarity in inserting leads into the board holes, conforming to the external view for the terminal arrangement.
hybrid ic vla124 - 24151r isolated dc - dc converter 6 may. 2015 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 always 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 customers application; they don't convey any license under any intellectual property rights, or any other rights, belonging 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 circuit 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 t hat customers contact isahaya electronics corporation or an authorized isahaya products distributor for the latest product information before purchasing 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 potentially 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, vehicular, 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 subject to the japanese export control restrictions, they must be exported under a license from the japa nese 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 el ectronics corporation or authorized isahaya products distributor for further details on these materials or the products contained therein.
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