hybrid ic vla418 - 050r non isolated dc - dc converter 1 description vla41 8 - 050 r is a non - isolated type dc - dc converter designed for direct input of rectified voltage from 100/200v ac. this hybrid ic provides + 5v , 1 00ma with fewer external components such as electrolytic capacitors and choke coils only features input voltage range dc 113 41 0v output 5 v 0.4v 10 0ma applications c ontrolled equipment etc . block diagram ? ?R? common vo drive circuit current sensing circuit voltage sensing circuit 10 5 3 1 7 v in v o common l l outline drawing dimensions : mm 2.54 2.54 9 22.86 3.3max 3.3max 0.5 3.5 0.7 18max 29.5max a4 18 - 050 r xxxx 3.0max 4.5max 7.5max 0.25 1 1 0 1.2
hybrid ic vla418 - 050r non isolated dc - dc converter 2 maximum ratings unless otherwise noted, ta 25 symbol parameter conditions ra tings units v in input volt age >+ 45 0 v i l output current >+ 1 0 0 ma topr operating temperature no condensation *1 - 2 0 >|>) 85 tstg storage temperature no condensation - 2 5 >|>) 105 *1) please refer to de - rating characteristics electrical characteristics unless otherwis e noted, v in 28 0 v , t a 25 symbol parameter test c onditions limit units min typ max v in input voltage recommended range 113 - 410 v vo output current il=0 >| 1 00ma 4.6 5 .0 5.4 v reg - i input regulation v in =113 >| 410v
il= 1 00ma - - 15 0 mv reg - l load regu lation il=0 >| 1 00ma - - 1 50 mv effi ci ency il=200ma - 63 - % vp - p output ripple il= 1 00m a *2 - - 20 0 mvp - p *2) n o t contain the spike noise test circuit (*) please use power inductors with good performance of dc superimposition. (**) please use electrolytic capacitor of output side with high frequency and low impedance. deratng characterstcs output current(ma) ambient temperture( ) vla418 - 050r 100 f 16v 10 5 3 1 7 1mh 10f 450v v in 220f 50v rl v o il a v vla417 - 153r 8 10 1 3 6 12 220 f 50v vin vla417 - 153r 10 f 450v 12 10 1mh rl vo il
hybrid ic vla418 - 050r non isolated dc - dc converter 3 a precaution for use 1. about overcurrent and load short. this product is provided with overcurrent protection . b ut please use the f use for safety using. 2. about design of parts please place electrolytic capacitor of input and output side close to product . and please place coil opposite side to electrolytic capacitor as below diagram . a precaution circuit e lectrolytic capacitor of output side pw series ( nichicon ) p ower inductors c 10 - fr 1 - ga ( mitsumi electric co., ltd. ) please use the type of deciding hastily fuse. (0.5a 1a typical characteristic curves (ta=25 10 0uf 16 v 1mh / 0.49a vo vla418 - 050r ac 3 1 5 7 1 0 1 0uf 4 50v 0.5 1.0a vla418 - 050 r coil vla417 - 153r electrolytic capacitor of output side electrolytic capacitor of input side ? ? vla417 - 153 r
hybrid ic vla418 - 050r non isolated dc - dc converter 4
hybrid ic vla418 - 050r non isolated dc - dc converter 5 for s afety using great detail and careful attention are given to the production activity of hics, such as the development, the quality of production, and in it s reliability. however the reliability of hics depends not only on their own factors but also in the ir 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 cond itions. when exposed to outside shocks, rain and certain environmental contaminators, the packing materials will deteriorates. please take care in handling. 1) don 2) boxes must be positioned corre ctly 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 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 t o 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 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 severe 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 from 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 termin al arrangement.
hybrid ic vla418 - 050r non isolated dc - dc converter 6 asaki, 854 - 0065 japan jul. 201 3 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 - f lammable 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 to isaha ya 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 circuit application examples contained in these ma terials. 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 noti ce 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 latest product information before purchasing product listed here i n. 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 isa haya 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 i sahaya 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 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 electr onics corporation or authorized isahaya products distributor for further details on these materials or the products contained there in.
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