220vac input/12vdc (1a) output isolated ac/dc c onverter bp5722a12 data sheet *c1, c3, r2:refer to directions absolute maximum ratings electrical characteristics sample application circuit parameter symbol limits unit conditions pin 11 input voltage v d parameter symbol pin 11 input voltage v d min. ? typ. ? max. 700 unit v conditions io=1000ma operating power voltage(pin 7) v dd 8.8 12 20 v dc, io=1000ma *1 *2 line regulation ? vr ? 8 200 mv vi=217 to 405v dc io=1000ma power conversion efficiency 75 83 ? % 800 v pin 7,8 input voltage v dd 25 v pin 11 input current i d 350 ma pin 8 input current i dd 10 ma output power po 13 w withstand voltage vi 2.5 kw 1 sec (between primary and secondary) ambient temperature + module self-heating tcmax maximum allowable surface temperature tcmax 105 c operating temperature range topr ?25 to +80 c storage temperature range tstg ?40 to +105 c rated output voltage vo 11.4 12.0 12.6 v rated output current io 0 ? 1000 ma refer to derating curve load regulation ? vi ? 30 200 mv io=50 to 1000ma output ripple voltage ? ? 200 500 mvpp *1: the operation starting voltage is between 15.5 and 17.5 v. *2: pulse noise is not included. pin no. terminal name 1 vo terminal function secondary 12v output voltage control terminal. insert a 1000 f output smoothing capacitor before the gnd for use. 11 v d drain terminal for the built-in fet. 8 vs start-up terminal. connect to vi (+) through an external resistor (1.5m?). 2 gnd secondary 12v output gnd terminal. 6 vi(-) primary input negative terminal. 7 v dd internal circuit power terminal. 9 nc nc pin. verify proper operation under actual conditions before use. in particular, confirm that the load current does not exceed the maximum rating. external component settings c1: output smoothing capacitor c2: noise reduction capacitor c3: output smoothing capacitor c4: input smoothing capacitor c5: noise reduction capacitor c6: output smoothing capacitor c7: noise reduction capacitor d1: rectifier diode d2: rectifier diode d3: rectifier diode d5: rectifier diode d7: diode bridge r1: resistor r2: resistor r5: noise reduction resistor t1: switching transformer f1: fuse znr: varistor 1000 f/35v low-impedance type 4700pf/400v or higher 10 f/50v low-impedance type 33f/450v use if necessary 100 f/35v low-impedance type use if necessary limiting element voltage dc 630v or higher 0.1 to 0.22f 90v/6a 1kv/1a 90v/0.13a 100v or higher /1a 800v/1a 100k?5%, 3w limiting element voltage 300v or higher 1.53m?5%, 0.25w limiting element voltage 600v or higher use if necessary 1w or higher 10 to 22? be sure to use this for safety. a varistor is required to protect against lightning surges and static electricity. operation notes an excessively large capacitance at c1 may cause the output to become inactive. therefore, a capacitance between 1000 and 2200 f is recommended, with a rise time of 10ms or less. the capacitance of c3 should be 10 f, since an excessively small value will result in malfunction. the activation time is defined as: t(sec)=r2 ? c3 ? ln[1-17/(vi-30a ? r2)], where vi is the dc voltage after smoothing. the resistance of r2 should be 1.5m ? , since an excessively small value will result in malfunction. overcurrent (reset type) and overvoltage (latch type) protection circuits are built in, preventing damage from occurring due to unexpected conditions. the overvoltage protection circuit shuts down operation once v dd exceeds 20v. in order to reset the input capacitor c4 must be discharged and the power turned back on. dimensions (unit : mm ) derating curve switching frequency operation range ambient temperature ta ( c ) output power (w) 6 12 -30-20-10 0 10 20 30 40 50 60 70 80 90 conversion efficiency load regulation vo2:18v/100ma vo1:12v/850ma ac220v vi(+) vi(-) gnd1 gnd2 t1 c5 c2 d2 d3 + c3 + c1 d1 d5 + c6 f1 c7 + c4 d7 r1 r5 r2 use a fuse for safety 1 3 4 5 9 1 0 6 7 znr 1 2 11 7 8 6 bp5722a12 1 2 6 7 32.5 max. 21.5 max. 4.0 1.0 3.3 max. 1.3 0.2 9.3 max. mark side 5.6 max. 3.7 max. 2.54 x 10 = 25.4 p = 2.54 0.2 0.5 0.1 0.25 0.05 8 9 11 output current of vo12 (ma) conversion efficiency (%) 0 0 10 20 30 40 50 60 70 80 90 100 500 1000 * * * maximum io=1000ma 100vac input/12vdc (1a) output isolated ac/dc converter BP5718A12 data sheet absolute maximum ratings electrical characteristics sample application circuit parameter symbol limits unit conditions pin 11 input voltage v d parameter symbol pin 11 input voltage v d min. ? typ. ? max. 350 unit v conditions io=1000ma operating power voltage (pin 7) v dd 8.8 12 20 v dc, io=1000ma *1 *2 line regulation ? vr ? 5 200 mv vi=113v to 195vdc io=1000ma power conversion efficiency 75 83 ? % 500 v pin 7,8 input voltage v dd 25 v pin 11 input current i d 500 ma pin 8 input current i dd 10 ma output power po 13 w withstand voltage vi 2.5 kw 1 sec (between primary and secondary) ambient temperature + module self-heating tcmax maximum allowable surface temperature tcmax 105 c operating temperature range topr ?25 to +80 c storage temperature range tstg ?40 to +105 c rated output voltage vo 11.4 12.0 12.6 v rated output current io 0 ? 1000 ma refer to derating curve load regulation ? vi ? 58 200 mv io=50ma to 1000ma output ripple voltage ? ? 135 500 mvpp *1: the operation starting voltage is between 15.5 and 17.5 v. *2: pulsating noise is not included. pin no. terminal name 1 vo terminal function secondary 12v output voltage control terminal. insert a 1000 f output smoothing capacitor before the gnd for use. 11 v d drain terminal for the built-in fet. 8 vs start-up terminal. connect to vi (+) through an external resistor (1.5m?). 2 gnd secondary 12v output gnd terminal. 6 vi(-) primary input negative terminal. 7 v dd internal circuit power terminal. 9 nc nc pin. verify proper operation under actual conditions before use. in particular, confirm that the load current does not exceed the maximum rating. external component settings *c1, c3, r2:refer to directions c1: output smoothing capacitor c2: noise reduction capacitor c3: output smoothing capacitor c4: input smoothing capacitor c5: noise reduction capacitor c6: output smoothing capacitor c7: noise reduction capacitor d1: rectifier diode d2: rectifier diode 1000 f/35v low-impedance type 2200pf/400v or higher 10 f/50v low-impedance type 100f/250v use if necessary 100 f/35v low-impedance type use if necessary limiting element voltage 250v or higher 0.1 to 0.22f 60v/6a 1kv/1a d3: rectifier diode d5: rectifier diode d7: diode bridge r1: resistor r2: resistor r5: noise reduction resistor t1: switching transformer f1: fuse znr: varistor 80v/0.1a 100v or higher /1a 800v/1a 100k? 5%, 3w limiting element voltage 300v or higher 1.5m? 5%, 0.25w limiting element voltage 300v or higher use if necessary 1w or higher 10 to 22? be sure to use this for safety. a varistor is required to protect against lightning surges and static electricity. operation notes an excessively large capacitance at c1 may cause the output to become inactive. therefore, a capacitance between 1000 and 2200 f is recommended, with a rise time of 10ms or less. the capacitance of c3 should be 10 f, since an excessively small value will result in malfunction. the activation time is defined as: t(sec)=r2 ? c3 ? ln[1-17/(vi-30a ? r2)], where vi is the dc voltage after smoothing. the resistance of r2 should be 1.5m ? , since an excessively small value will result in malfunction. overcurrent (reset type) and overvoltage (latch type) protection circuits are built in, preventing damage from occurring due to unexpected conditions. the overvoltage protection circuit shuts down operation once v dd exceeds 20v. in order to reset the input capacitor c4 must be discharged and the power turned back on. dimensions (unit : mm ) derating curve switching frequency operation range ambient temperature ta( c ) output power (w) 6 12 -30-20-10 0 10 20 30 40 50 60 70 80 90 output current io(ma) switching frequency fsw(khz) 100 80 60 40 20 0 0 200 400 600 800 1000 conversion efficiency output current io(ma) conversion efficiency (%) 0 0 10 20 30 40 50 60 70 80 90 100 500 1000 load regulation output current io(ma) output voltage vo(v) 0 0.0 2.0 4.0 6.0 8.0 10.0 12.0 14.0 1000 2200 vo2:18v/100ma vo1:12v/850ma ac100v vi(+) vi(-) gnd1 gnd2 t1 c5 c2 d2 d3 + c3 + c1 d1 d5 + c6 f1 c7 + c4 d7 r1 r5 r2 use a fuse for safety 1 3 4 5 9 1 0 6 7 znr 1 2 11 7 8 6 BP5718A12 * * * maximum io=1000ma 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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