load regulation BP5090-12 a c/dc con v er ter absolute maximum ratings input voltage operating temperature range storage temperature range maximum surface temperature output current parameter symbol limits unit vin topr tstg tsmax io ? 195 ? 20 to +85 ? 25 to +105 100 200 v c c c ma unit ? 2 ? 1 conditions v v ma v v vp-p % dc vin= ? 113 to ? 195v io=0~200ma ? 1 maximum output current varies depending on ambient temperature ; please refer to derating curve. ? 2 spike noise is not included in output ripple voltage. electrical characteristics input voltage range output voltage output current line regulation load regulation output ripple voltage conversion efficiency parameter symbol typ. max. min. vin vo io vr vl vp ? 141 ? 12.5 ? 0.04 0.03 0.07 82 ? 195 ? 13.2 200 0.20 0.20 0.20 ? ? 113 ? 11.5 ? ? ? ? 74 conversion efficiency derating curve dimensions(unit : mm ) switching frequency external components setting fuse: fuse recommend the use of fast-acting type fuse 1.0a. rated voltage : more than 250v capacity : 22 to 100 f c1: input capacitor rated voltage : more than 25v capacity : 100 to 470 f, low impedance type esr : less than 0.16 ? rated ripple current : more than 0.58arms evaluate it with the actual opportunity because it influences an output ripple voltage. c2: output capacitor rated voltage : more than 250v film capacitor, or ceramic capacitor capacity : 0.1 to 0.22 f c3: noise removal capacitor inductance : 820 h rated current : more than 0.42a. choose components that do not easily get magnetically saturated in high temperature. d1: rectifier diode peak reverse voltage : more than 400v mean rectifying current : more than 1.0a peak forward surge current : more than 20a this product can use even all the wave rectification. r1: noise removal resistor be sure to use it to protect this product from thunder surge and the static electricity. znr: varistor for actual usage, please kindly evaluate and confirm our part mounted in your product, especially, please make sure to confirm whether the load current exceed max. rated current by using the current probe. a c100v input, ? 12v/200ma output application circuit pin no. 1 2 3 4 5 6 7 8 function common output power inductor skip power inductor skip skip input BP5090-12 BP5090-12 coil start 8 5 3 c2 l1 vo c3 2 1 c1 d1 r1 fuse znr vin please note that pin no.8 side is input. be sure to use fuse for safety. resistance : 10 to 22 ? power : more than 1/4w l1: choke coil surface temperature rising derating curve 250 200 150 100 50 0 010 -30 -20 -10 20 40 30 80 70 60 50 90 ambient temperature ta( c ) output current io(ma) temperature rising ? t( c ) surface temperature rising 40 35 30 25 20 15 10 5 0 100 120 140 160 180 0 20406080 200 (vin= ? 141 v, ta=25 c ) output current io(ma) load regulation -14.0 -12.0 -10.0 -8.0 -6.0 -4.0 -2.0 0.0 0 100 200 300 400 500 (vin= ? 141 v, ta=25 c ) output current io(ma) output voltage -vo(v) switching frequency (vin= ? 141 v, ta=25 c ) output current io(ma) switching frequency -fsw(khz) 21.5max. 4 1.0 5.55max. 4.45max. 26.5max. 10.0max. 3 5 8 marking side marking side 2 1 0.25 0.05 0.5 0.1 1.3 0.2 3.25max p=2.54 0.2 2.54 7=17.78typ 20 18 16 14 12 10 8 6 4 2 0 20 40 0 120 140 180 100 80 60 160 200 conversion efficiency 100 90 80 70 60 50 40 30 20 10 0 20 40 0 120 140 180 100 80 60 160 200 (vin= ? 141 v, ta=25 c ) output current io(ma) conversion efficiency (%) maximum io=200ma
notes no technical content pages of this document may be reproduced in any form or transmitted by any means without prior permission of rohm co.,ltd. the contents described herein are subject to change without notice. the specifications for the product described in this document are for reference only. upon actual use, therefore, please request that specifications to be separately delivered. application circuit diagrams and circuit constants contained herein are shown as examples of standard use and operation. please pay careful attention to the peripheral conditions when designing circuits and deciding upon circuit constants in the set. any data, including, but not limited to application circuit diagrams information, described herein are intended only as illustrations of such devices and not as the specifications for such devices. rohm co.,ltd. disclaims any warranty that any use of such devices shall be free from infringement of any third party's intellectual property rights or other proprietary rights, and further, assumes no liability of whatsoever nature in the event of any such infringement, or arising from or connected with or related to the use of such devices. upon the sale of any such devices, other than for buyer's right to use such devices itself, resell or otherwise dispose of the same, no express or implied right or license to practice or commercially exploit any intellectual property rights or other proprietary rights owned or controlled by rohm co., ltd. is granted to any such buyer. products listed in this document are no antiradiation design. appendix1-rev2.0 thank you for your accessing to rohm product informations. more detail product informations and catalogs are available, please contact your nearest sales office. rohm customer support system the americas / europe / asia / japan contact us : webmaster@ rohm.co. jp www.rohm.com copyright ? 2008 rohm co.,ltd. the products listed in this document are designed to be used with ordinary electronic equipment or de vices (such as audio visual equipment, office-automation equipment, communications devices, electrical appliances and electronic toys). should you intend to use these products with equipment or devices which require an extremely high level of reliability and the malfunction of which would directly endanger human life (such as medical instruments, transportation equipment, aerospace machinery, nuclear-reactor controllers, fuel controllers and other safety devices), please be sure to consult with our sales representative in advance. it is our top priority to supply products with the utmost quality and reliability. however, there is always a chance of failure due to unexpected factors. therefore, please take into account the derating characteristics and allow for sufficient safety features, such as extra margin, anti-flammability, and fail-safe measures when designing in order to prevent possible accidents that may result in bodily harm or fire caused by component failure. rohm cannot be held responsible for any damages arising from the use of the products under conditions out of the range of the specifications or due to non-compliance with the notes specified in this catalog. 21 saiin mizosaki- cho, ukyo-ku, kyoto 615-8585, japan tel : +81-75-311-2121 fax : +81-75-315-0172 appendix
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