BP5729 isolated a c/dc con v er ter a c 100 to a c230v input, 24w output absolute maximum ratings electrical characteristics sample application circuit ? pulse noise is not included. external components setting dimensions (mm) precautions on use of products (unless otherwise noted, vi=311v, rated load ta=25 c) this product has built-in over current (reset type) and over voltage (latch type) protection function to prevent destruction at abrupt error. these protection functions are effective for prevention against destruction owing to abrupt accident, therefore, avoid using them for continuous protection circuit operating, or at transition parameter symbol limits unit conditions 12-pin input voltage v d 720 v 12-pin input current 1 apk 10-pin input voltage vh 400 v 7-pin input voltage v cc 30 v 6-pin input current isozcd ? 2.0 ma isizcd +3.0 ma 1-pin input current ipc 10 ma maximum power po 24 w ambient temperature + the module self-heating tcmax 12 w withstanding voltage vi 2.5 kv allowable maximum surface temperature tcmax 105 c operating temperature range topr ? 25 to +80 c storage temperature range tstg ? 30 to +105 c i d 1s (primary - secondary) dc120v to dc372v dc248v to dc372v parameter symbol min. ty p. max. unit conditions ? line regulation vr ? 13 200 mv vi=120 to 372vdc io=1000ma power conversion efficiency 82 90 ? % output voltage vo 11.4 12.0 12.6 v io=2000ma refer to derating curve output current io 0 ? 2000 ma load regulation vi ? 20 200 mv io=50 to 2000ma output ripple voltage vp ? 0.16 0.5 vp-p io=2000ma pc vo vd vcc gnd zcd vin(-) pin no. name 1 function this is the secondary side opto-coupler current control terminal. 12 this is the built-in fet of drain terminal. the primary coil minus side of the external transformer, and the snubber circuit for noise reduction are connected to this. 7 this is the internal circuit power supply terminal. 2 this is the secondary side output voltage control terminal. insert the output smoothing capacitor between gnd. 3 this is the gnd terminal for the secondary side. 6 this is the zero current control terminal. 8 this is the primary side input minus terminal. vh 10 this is the start teminal. c1,c2: noise terminal voltage countermeasure capacitor c3: capacitor for input voltage smoothing c4: capacitor for vcc voltage smoothing c5: for noise terminal voltage reduction c6: capacitor for quasi-resonant c7: capacitor for output voltage smoothing c8: for noise terminal voltage reduction d1: rectifier diode d2: rectifier diode d3: rectifier diode d4: diode bridge r1: resistor r2: resistor r3: resistor for output voltage setting r4: resistor t1: switching transformer f1: fuse fl1: ac line filter znr: varistor limiting element voltage ac250v or higher 0.1 to 0.22 f 33 f / 450v general purpose one 10 f / 50v low impedance for power supply 2200pf / 630v please set it, if necessary 1000 f / 35v x 2 low impedance for power supply rated ripple current 4.5arms or higher esr 18m ? or below 2200pf / ac250v frd 200v / 0.5a 800v / 0.5a 60v / 20a 800v / 1a 47k ? 1% 0.1w 100k ? 5% 3w limiting element voltage 300v or higher 68k ? 1% 0.1w 910 ? 1% 0.1w be sure to use this for safety must be use. it protects this part from lightning surge and static electricity. derating curve 18 15 12 9 6 3 0 21 -30-20-10 0 10 20 30 40 50 60 70 80 conversion efficiency load regulation output current io (ma) output voltage vo(v) 37.4max. 9.3max. 24.3max. marking side 4.01.0 p=2.540.2 123 6 7 12 0.250.05 7.05max. 2.54x11=27.94typ. marking side 10 8 3.25max. 0.50.1 1.30.2 2.25max. 90 100 ambient current ta( c ) output power (w) 24 27 vi = 248v to 372v vi = 120v to 248v switching freguency surface temperature increase 6-pin input voltage vzcd 9.2 v be sure to use fuse for safety. switching frequency fsw (khz) (ta=25 c ) output current io( ma ) 0 200 400 600 800 1000 1200 1400 1600 1800 2000 60 40 20 0 80 100 120 burst switching burst switching vi = 141v vi = 311v output current io (ma) surface temperature increase ? t( c ) 0 200 400 600 800 1000 1200 1400 1600 1800 2000 15 10 5 0 20 25 30 35 40 vi = 141v vi = 311v output current io (ma) conversion efficiency (%) 0 200 400 600 800 1000 1200 1400 1600 1800 2000 10 30 50 70 90 0 20 40 60 80 100 vi = 141v vi = 311v 0 0.0 2.0 4.0 6.0 8.0 10.0 12.0 1500 2000 2500 500 1000 3000 3500 4000 14.0 vi = 141v vi = 311v maximum io=2000ma (vi=248 to 372v) maximum io=1000ma (vi=120 to 248v) (ta=25 c ) (ta=25 c ) (ta=25 c ) d3 c7 + 12v , 2a f1 fl1 znr c1 c2 12 10 8 7 6 3 2 1 d4 c3 + c6 r2 c5 d2 r3 r4 d1 + c4 r1 t1 BP5729 c8
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
|
