100vac input/constant current isolated high-power led driver for illumination bp5843a data sheet absolute maximum ratings electrical characteristics application circuit input voltage output voltage withstand voltage maximum surface temperature operating temperature range storage temperature range parameter symbol limits unit vi vo bv tcmax topr tstg 170 12 1.8 105 ?20 to +80 ?25 to +85 v vpk kv c c c dc 1s (between primary and secondary) ambient temperature + module self-heating tcmax refer to derating curve unit conditions conditions v ma v vp-p % vi=141v, r1=0.82 ? (1%) vi=141v, lo=350ma vi=141v, lo=350ma vi=141v, vo=12v, lo=350ma input voltage range output current output voltage range output ripple voltage power conversion efficiency parameter symbol typ. max. min. vi io vo vp 141 350 ? ? 85 170 369 12 0.5 ? 113 332 2.5 ? 80 ? 1 maximum output current varies depending on ambient temperature ; please refer to derating curve. ? 2 spike noise is not included in output ripple voltage. bp5843a pin no. 1 2 3 4 5 6 7 8 9 10 11 function input terminal (+) skip input terminal ( ?) nc nc skip skip skip output capacitor connection terminal led connection terminal (cathode) led connection terminal (anode) external component specifications 10 f/250v c1 : input capacitor 40 f/25v ceramic capacitor c2 : output capacitor 2200pf (basic insulation) c5 : noise removal capacitor 0.82? 1% 1/4w (lo=350ma) r1 : output current setting resistor 800v/1a d1: diode bridge use if necessary capacitance : 0.1 to 0.22 f rated voltage : 250v or higher c3, c4: noise removal capacitor f1: fuse a fuse must be used for safety 10mh lf1: line filter znr1: varistor a varistor is required to protect against lightning surges and static electricity. 24.0max. 4.0 1.0 32.6max. 15.8max. 2.54x10=25.4 typ. marking side 1 3 4 5 9 10 11 0.75 0.1 1.3 0.2 p=2.54 0.2 3.55max marking side 0.5 0.05 11.05max. 4.75max. dimensions (unit : mm ) derating curve derating curve operation range 5 4 3 2 1 0 0 10 -30 -20 -10 20 4030 80706050 90 ambient temperature ta( c ) output power (w) output characteristics output characteristics operation range r1= r1=0.91? 0.40 0.35 0.00 0.05 0.10 0.15 0.20 0.25 0.30 0 2 64 12 8 10 1614 output voltage( v ) output current (a) be sure to use fuse for safety c2 d1 + c1 lf1 c3 c4 c5 znr1 f1 r1 1 3 9 10 11 how to calculate r1 r1=0.13741/(0.91 x lo-0.151) lo : output current current setting output current-setting resistor 2.0 1.8 1.6 1.4 1.2 1.0 0.8 0.6 0.4 0.2 0.0 0.260.24 0.28 0.30 0.340.32 0.36 output current : (a) setting resistor : r1( ?) ?1 ?2 0 to 19v/300ma output variable output dc/dc converter bp5811 data sheet absolute maximum ratings motor driving supply voltage ctl input voltage maximum output current operating temperature range storage temperature range maximum surface temperature motor driving supply voltage ctl input voltage ctl input frequency parameter parameter symbol symbol min. typ. max. unit conditions limits unit vm in v ctl iopeak topr tstg tcmax vm in v ctl f ctl 19.0 0 1 20.0 ? 50 21.0 5.0 100 v v khz i o =300ma 25 0.3 to 5.5 300 ?20 to +80 ?30 to +85 100 v v ma c c c unit conditions v v v ma vp-p % electrical characteristics recommended action conditions output voltage output current output ripple power conversion e fficiency parameter symbol typ. max. min. vo io v p 19.0 15.1 7.35 ? 0.05 93 20.0 15.9 7.94 300 0.15 ? 18.0 14.3 6.76 ? ? 88 output voltage control characteristics (ta=25 c) conversion efficiency (vmin=20v, v ctl =5v) dimensions (unit : mm) application circuit external component specifications use a quick-acting fuse ( 2.3a ) 470 f/50v low impedance recommended part : pm series (nichicon) c1: input smoothing capacitor fuse: fuse c2: output smoothing capacitor 470 f/50v low impedance recommended part : pm series (nichicon) l1: power inductor 47 h, rated current 1.2a or higher recommended part : tsl0808-470k1r2 (tdk) derating curve ctl 1 2 3 6 7 8 9 be sure to use fuse for safety. derating curve 350 300 250 200 150 100 50 0 -30 -20 -10 100 50 60 70 80 90 403020 ambient temperature ta(c) output current io(ma) vctl=5v vctl=4v vctl=3v vctl=2v vctl=1v 20 15 10 5 0 0 1 2 3 4 5 control voltage (dc) v ctl (v) v o -v ctl characteristics (vmin=20v) v o -duty characteristics (vmin=20v) output voltage vo (v) 20 100 90 80 70 60 50 40 30 20 10 0 15 10 5 0 0 0 50 100 150 200 250 300 20 40 60 80 100 control duty f ctl =50khz duty(%) output current i o (ma) output voltage vo (v) conversion efficiency (%) pin no. 1 2 3 4 5 6 7 8 9 input terminal n.c. gnd skip skip coil connection terminal coil connection terminal control terminal output voltage function (unless otherwise specified,vm in =20v, i o =300ma. v ctl =5.0v, ta=25 c) bp5811 c1 c2 l1 vmin vo 1/1 2010.01 - rev.a www.rohm.com ?2010 rohm co., ltd. all rights reserved.
r1010 a www.rohm.com ? 2010 rohm co., ltd. all rights reserved. notice rohm customer support system http://www.rohm.com/contact/ thank you for your accessing to rohm product informations. more detail product informations and catalogs are available, please contact us. notes no copying or reproduction of this document, in part or in whole, is permitted without the consent of rohm co.,ltd. the content specified herein is subject to change for improvement without notice. the content specified herein is for the purpose of introducing rohm's products (hereinafter "products"). if you wish to use any such product, please be sure to refer to the specifications, which can be obtained from rohm upon request. examples of application circuits, circuit constants and any other information contained herein illustrate the standard usage and operations of the products. the peripheral conditions must be taken into account when designing circuits for mass production. great care was taken in ensuring the accuracy of the information specified in this document. however, should you incur any damage arising from any inaccuracy or misprint of such information, rohm shall bear no responsibility for such damage. the technical information specified herein is intended only to show the typical functions of and examples of application circuits for the products. rohm does not grant you, explicitly or implicitly, any license to use or exercise intellectual property or other rights held by rohm and other parties. rohm shall bear no responsibility whatsoever for any dispute arising from the use of such technical information. the products specified in this document are intended to be used with general-use electronic equipment or devices (such as audio visual equipment, office-automation equipment, commu- nication devices, electronic appliances and amusement devices). the products specified in this document are not designed to be radiation tolerant. while rohm always makes efforts to enhance the quality and reliability of its products, a product may fail or malfunction for a variety of reasons. please be sure to implement in your equipment using the products safety measures to guard against the possibility of physical injury, fire or any other damage caused in the event of the failure of any product, such as derating, redunda ncy, fire control and fail-safe designs. rohm shall bear no responsibility whatsoever for your use of any product outside of the prescribed scope or not in accordance with the instruction manual. the products are not designed or manufactured to be used with any equipment, device or system which requires an extremely high level of reliability the failure or malfunction of which may result in a direct threat to human life or create a risk of human injury (such as a medical instrument, transportation equipment, aerospac e machinery, nuclear-reactor controller, fuel- controller or other safety device). rohm shall bear no responsibility in any way for use of any of the products for the above special purposes. if a product is intended to be used for any such special purpose, please contact a rohm sales representative before purchasing. if you intend to export or ship overseas any product or technology specified herein that may be controlled under the foreign exchange and the foreign trade law, you will be required to obtain a license or permit under the law.
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