1 of 6 1 description the iw1818-eval evaluation board implements a 10w power supply based on dialog semiconductors iw1818 accuswitch? digital off-line power supply controller ic. the evaluation board supplies a 5v, 2a regulated output voltage using a primary-side controlled quasi-resonant fyback converter that meets the u.s. department of energys most recent level vi effciency standard and the eus code of conduct, version 5, tier 2 standard for both active mode and no-load standby power consumption. the iw1818 controller integrates an 800v power bjt transistor to lower the power supply bom cost and uses dialogs advanced primaccurate? digital control technology to eliminate the need for external secondary-side feedback components, further reducing component count and cost, while improving reliability. it operates in quasi-resonant mode to improve effciency and help meet emi standards. this quasi-resonant operation and dialogs ez-emi ? technology enable excellent emi performance with minimal external fltering. proprietary control technology allows high effciency across a broad range of loads, which enables the iw1818 to meet stringent international standards for power supply effciency . 2 features wide input voltage range: 90v ac to 264v ac output voltage: 5v output current: 2a total output power: 10w max. integrated 800v bjt active mode effciency > 80% supports high capacitance loads up to 6,000 m f low no-load power: < 50mw (at 230 v ac ) 3 applications power supplies for: x white goods x home appliances x industrial control x network devices ez-emi ? technology: excellent emi performance with a minimum of emi fltering components quasi-resonant operation low component count and small pcb footprint iw1818 ic protections: x output short-circuit, over-current, over-voltage x input voltage protection: brown-out, brown-in, unplug x over-temperature protection - internal sensor iw1818-eval evaluation board for 10w single-output switch-mode power supply rev. 1.0 evaluation board summary ? 2016 dialog semiconductor www.dialog-semiconductor.com 18-may-2016
2 of 6 disclaimer for high voltage (mains powered) evaluation boards warning this evaluation board is powered by ac mains voltage. when powered, this evaluation board generates non-insulated high voltages which may produce electrical shock, burn, and/or fre hazards, resulting in risk of property damage, personal injury, and/or death. when the evaluation board is powered, never touch the board or its electrical circuits since they may be operating at high voltages that can cause an electrical shock hazard. to be used for evaluation purposes only this board is intended for evaluation purposes only and not intended for commercial use in an end product. any other use is strictly prohibited by dialog semiconductor. work area and personal safety this board should be used in a test area/laboratory specifcally designed and designated for working with, and evaluating high-voltage electrical devices. only trained and qualifed professional personnel with experience, knowledge and training in the use of high-voltage electrical circuits should use this evaluation board. trained personnel must use required personal protective equipment and required laboratory equipment when working with the evaluation board. the professional personnel operating this evaluation board and the test area/laboratory in which it is operated must be qualifed according to the local regulations, guidelines and labor laws applicable to working with non-isolated mains voltages and high voltage circuits. an isolated housing is highly recommended when using this evaluation board. use this evaluation board at your own risk. not agency approved this evaluation board has not been agency tested or approved for safety , technical performance, and/or regulatory requirements, such as electromagnetic interference or other technical regulatory or safety requirements. warning iw1818-eval evaluation board for 10w single-output switch-mode power supply rev. 1.0 evaluation board summary ? 2016 dialog semiconductor www.dialog-semiconductor.com 18-may-2016
3 of 6 the table below shows the electrical specifcations of the evalution board specifed at t a = 25oc, unless otherwise noted. description symbol min typ max units comment input voltage v in 90 264 v ac 2 wire frequency f line 47 50/60 63 hz no-load input power (230v ac ) 50 mw output output voltage v out 4.75 5.00 5.25 v measured at the end of pcb output current i out 0 2 a output ripple voltage v ripple 200 mv p_p connected with 10 m f e-cap and 100nf c-cap; i out = 2a@t a = 25oc 20mhz bandwidth total output power continuous output power p out 10 w over current protection ocp 2.8 a auto-restart active mode effciency 80.7 % average of effciency measured at 25%/50%/75%/100% v in = 115v ac environmental safety (note 1) designed to meet ul1310 (up to 120v ac ) designed to meet en60335-1:2012 ambient temperature t amb 0 40 oc free convection, sea level note 1: the iw1818-eval has been designed to meet en60335-1:2012 and ul1310 (up to 120v ac ), however individual boards have not been tested or verifed to these standards. 4 evaluation board specifcations iw1818-eval evaluation board for 10w single-output switch-mode power supply rev. 1.0 evaluation board summary ? 2016 dialog semiconductor www.dialog-semiconductor.com 18-may-2016
4 of 6 5 schematic the schematic shown in figure 5.1 is the complete schematic for the evalution board. the specifc part numbers can be found in the bill-of-materials in section 6. figure 5.1 : complete evalution board schematic for the iw1818-eval board. 5 v/ 2 a f 1 2 a/ 250v d 7 f s 1 d - l c 6 47p f c 5 100n f r 1 8 2 r 0 r 1 7 110r r 1 1 1 k r 9 2 r r 1 4 39k r 1 0 16k r 1 1 r 8 2 r 5 2 2 . 4 k r 8 3 . 6 k l 1 220u h l 2 4 . 7 u h r 2 1 k c 2 22p f r 5 220r r 6 910k - + a c a c b r 1 l m b 8 s c 4 10u f c 3 470pf / 500v r 4 3 . 6 m + c 1 10u f / 400v + c 8 10u f / 400v r 3 3 . 6 m 1 v c c 5 e 3 g n d 4 v s e n s e 8 c 2 i s e n s e 7 c u 1 i w 1818 d 6 f s 1 m - l e 1 e 2 r 7 910r 6 4 3 1 8 1 2 t 1 d 1 s b r 20a 45c t + c 5 1 10v/1000u f + c 5 2 10v/1000u f r 1 2 22r c 7 1 n f c 9 1 n f r 1 3 27r c o n 1 c o n 2 c y 1 220p f c y 2 220p f iw1818-eval evaluation board for 10w single-output switch-mode power supply rev. 1.0 evaluation board summary ? 2016 dialog semiconductor www.dialog-semiconductor.com 18-may-2016
5 of 6 6 bill of materials item qty. ref. description footprint mfg. part number manufacturer 1 1 u1 iw1818, off-line digital pwm controller with 4a/800v bjt co-packed, dip 7 dip-7 iw1818-00 dialog semiconductor 2 1 br1 lmb8s,800v,1a,bridge rectifer lmbs -1 lmb8s-tp micro commercial components corp. 3 2 c1, c8 cap alum 10uf 20%,400v, 10x16mm, lead spacing: 5mm 10mmx16mm ekxj401ell100mj16s nippon chemi-con 4 1 c2 22pf,25v,npo,smd-0603 0603 cc603jrnpo8bn220 yageo corporation 5 1 c3 470pf,500v,x7r,smd-1206 1206 cc1206kkx7rbbb471 yageo corporation 6 1 c4 10uf10%,50v,x5r,smd-1206 1206 grm31cr61h106ka12l murata electronics 7 1 c5 100nf 10%,50v,x7r,smd-0805 0805 cc0805krx7r9bb104 yageo corporation 8 1 c6 47pf 10%,10v,smd-0603 0603 cc0603krnpo9bn470 yageo corporation 9 2 c7,c9 1nf 10%,100v,x7r,smd-0805 0805 cc0805krx7r0bb102 yageo corporation 10 2 cy1,cy2 220pf,250v ,y-cap radial, disc de1b3kx221kn4an01f murata electronics 11 2 c51,c52 1000uf,10v,8x20,e-cap ce8x15 upa1a102mpd1td nichicon 12 1 d1 sbr20a45ct,20a,45v to-220ab sbr20a45ct diodes incorporated 13 1 d6 fs1m-l, 1a1000v,fast recovery rectifer (trr=500ns) do-214ac fs1m-ltp micro commercial components corp. 14 1 d7 fs1d-l, 1a200v,fast recovery rectifer (trr=150ns) do-214ac fs1d-ltp micro commercial components corp. 15 1 f1 2a,250v, fuse, 3.6x10mm axial-3.6x10 0874002.mxep littelfuse inc. 16 1 l1 220uh,155ma,color ring inductor, 0410 axial-04x10 77f221j-tr-rc bourns inc. 17 1 l2 4.7uh,chip inductor(chip coil) 0805 lqm21fn4r7m80l murata electronics 18 1 r1 1.82?1%,smd-1206 1206 rc1206fr-071r82l yageo corporation 19 1 r2 1k?5%,smd-0805 0805 rc0805jr-071kl yageo corporation 20 2 r3,r4 3.6m?5%,smd-1206 1206 rc1206jr-073m6l yageo corporation 21 1 r5 220?5%,smd-1206 1206 rc1206jr-07220rl yageo corporation 22 1 r6 910k?5%,smd-1206 1206 rc1206jr-07910kl yageo corporation 23 1 r7 910?5%,smd-0805 0805 rc0805jr-07910rl yageo corporation 24 1 r8 3.6k?1%,smd-0603 0603 rc0603fr-073k6l yageo corporation 25 1 r9 2?5%,smd-0603 0603 rc0603jr-072rl yageo corporation 26 1 r10 16k?1%,smd-0603 rs0603 rc0603fr-0716kl yageo corporation 27 1 r11 1k?5%,smd-0603 0603 rc0603jr-071kl yageo corporation 28 1 r12 22?5%,smd-0805 0805 rc0805jr-0722rl yageo corporation 29 1 r13 27?5%,smd-0805 0805 RC0805JR-0727RL yageo corporation 30 1 r14 39k?1%,smd-0603 0603 rc0603fr-0739kl yageo corporation 31 1 r17 110?5%,smd-0603 0603 rc0603jr-07110rl yageo corporation 32 1 r18 2.0?1%,smd-1206 1206 rc1206fr-072rl yageo corporation 33 1 r52 2.4k?5%,smd-0805 0805 rc0805jr-072k4l yageo corporation 34 1 con1 serie 2169 - 7.50mm horizatonal entry modular with rising cage clamp - 3.5mm2 wires wr-tbl 691 216 910 002 wrth elektronik 35 1 con2 wr-tbl terminal block-serie 101, 5.00mm - modular-blue-horizontal entry with pressure clamp - 12.6mm 691 101 710 002 wrth elektronik 36 1 t1 ee20/10/6 (ef20),14-pin ext, tht, horizontal for 5v2a 750 343 107 wrth elektronik 37 4 supporter self-retaining spacer wa-snsr ,nylon 66, natural 702 917 000 wrth elektronik table 1: bill-of-materials list for evb iw1818-eval iw1818-eval evaluation board for 10w single-output switch-mode power supply rev. 1.0 evaluation board summary ? 2016 dialog semiconductor www.dialog-semiconductor.com 18-may-2016
disclaimer this evaluation board is provided for evaluation purposes only and is not intended for commercial use in any end product. dialog semiconductor expressly disclaims all warranties, express, implied or statutory, including (but not limited to) the implied warranties of non-infringement, suitability for a specifc application(s) or end product(s), product quality or reliability . all risks and liability regarding quality, use or performance of this evaluation board are those of the customer/user. the user, and/or users employer, if user is using this evaluation board for employer-related purposes, assumes all responsibility and liability for proper and safe handling of the evaluation boards and indemnify dialog semiconductor from any and all claims arising from use of the evaluation board. the user, and/or users employer, if user is using this evaluation board for employer-related purposes, understands that this evaluation board has not been agency tested or approved for safety, technical performance, and/or regulatory requirements, by any agency. this includes electromagnetic interference or other technical regulatory or safety testing and certifcations. the user, and/or users employer, if user is using this evaluation board for employer-related purposes, assumes all responsibility for using this evaluation board in a test area or laboratory which is qualifed and/or certifed according to the local regulations, guidelines and labor laws applicable to working with non-isolated mains voltages and high voltage circuits. information in this document is believed to be accurate and reliable. however, dialog semiconductor does not give any representations or warranties, expressed or implied, as to the accuracy or completeness of such information. dialog semiconductor furthermore takes no responsibility whatsoever for the content in this document if provided by any information source outside of dialog semiconductor. dialog semiconductor reserves the right to change without notice the information published in this document, including without limitation the specifcation and the design of the related semiconductor products, software and applications. applications, software, and semiconductor products described in this document are for illustrative purposes only . dialog makes no representation or warranty that such applications, software and semiconductor products will be suitable for the specifed use without further testing or modifcation. unless otherwise agreed in writing, such testing or modifcation is the sole responsibility of the customer and dialog excludes all liability in this respect. customer notes that nothing in this document may be construed as a license for customer to use the dialog products, software and applications referred to in this document. such license must be separately sought by customer with dialog semiconductor. all use of dialog semiconductor products, software and applications referred to in this document are subject to dialog semiconductor s standard terms and conditions of sale , available on the company website ( www.dialog-semiconductor.com ) unless otherwise stated. dialog and the dialog logo are trademarks of dialog semiconductor plc or its subsidiaries. all other product or service names are the property of their respective owners. ? copyright 2016 dialog semiconductor. all rights reserved. 6 of 6 contacting dialog semiconductor iw1818-eval evaluation board for 10w single-output switch-mode power supply rev. 1.0 evaluation board summary ? 2016 dialog semiconductor www.dialog-semiconductor.com 18-may-2016 united kingdom dialog semiconductor (uk) ltd phone: +44 1793 757700 germany dialog semiconductor gmbh phone: +49 7021 805-0 the netherlands dialog semiconductor b.v. phone: +31 73 640 88 22 email info_pcbg@diasemi.com north america dialog semiconductor inc. phone: +1 408 845 8500 japan dialog semiconductor k. k. phone: +81 3 5425 4567 taiwan dialog semiconductor taiwan phone: +886 281 786 222 web site: www.dialog-semiconductor.com singapore dialog semiconductor singapore phone: +65 648 499 29 hong kong dialog semiconductor hong kong phone: +852 2607 4271 korea dialog semiconductor korea phone: +82 2 3469 8200 china dialog semiconductor (shenzhen) phone: +86 755 2981 3669 dialog semiconductor (shanghai) phone: +86 21 5424 9058
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