1/9 data sheet 2011.12 - rev. a www.rohm.com ? 2011 rohm co., ltd. all rights reserved. input voltage output voltage maximum output current (no heat sink / include heat sink) power conversion efficiency (vi=24v) bp5277 ? 33 36 ? 30 to 85 ? 40 to 105 100 500 800 bp5277 ? 50 36 ? 30 to 85 ? 40 to 105 100 500 800 bp5277 ? 90 36 ? 30 to 85 ? 40 to 105 100 500 800 bp5277 ? 33 36 3.3 500 / 800 76 bp5277 ? 50 36 5 500 / 800 83 bp5277 ? 90 36 9 500 / 800 88 v v ma % unit parameter limits input voltage maximum output current 2 (with heat sink) maximum output current 1 allowable maximum surface temperature operating temperature range storage temperature range symbol vi i o 1max i o 2max topr tstg tcmax unit v c c c ma ma note : dimensions without tolerance is typical. pin no. 1 2 3 vi gnd vo input terminal output termial gnd pin name function non-isolated step-down 3-terminal dc/dc converters bp5277-33 / BP5277-50 / bp5277-90 / bp5277-12 / bp5277-13 / bp5277-15 2.54 0.2 4.0 1.0 26.4 max. 23.7 2.6 1.3 0.5 (2.3) 0.75 16.3 max. 6.2 max. 2xc0.5 c0.5 123 2.54 0.2 the bp5275 series of dc/dc converters utilize high rated voltage. a control circuit, switching element, and coil are built in, along with input/output capacitors, resulting in stable operation with no external components required. high conversion efficiency, combined with an original heat dissipation structure, enables configuration an ultra-compact switching power supplies. 500ma output is possible with no heat sink required (800ma with heat sink). in addition, the ics are pin-compatible with conventional to-220 ldo regulators, making replacement easy. low ripple voltage with high precision output ensure stable operation against the fluctuating voltages from main power supplies, making them ideal for use as local power supplies (i.e. for microcontrollers). description applications features power supplies for copiers, personal computers, facsimiles, av equipment, measuring instruments, vending machines, security device, registers, industrial equipment, and maintenance tools 1) high rated voltage 2) no external parts required 3) high power conversion efficiency. 4) heat sink unnecessary. 5) low output ripple voltage 6) high output voltage accuracy 7) pin-compatible with conventional 3-pin ldos 8) compact package. bp5277-33 / BP5277-50 / bp5277-90 / bp5277-12 / bp5277-13 / bp5277-15 : sip3 list of the series absolute maximum ratings (ta=25 c) dimensions (unit : mm) pin function bp5277 ? 12 36 12 500 / 800 90 bp5277 ? 13 36 13 500 / 800 91 bp5277 ? 15 36 15 500 / 800 93 bp5277 ? 12 36 ? 30 to 85 ? 40 to 105 100 500 800 bp5277 ? 13 36 ? 30 to 85 ? 40 to 105 100 500 800 bp5277 ? 15 36 ? 30 to 85 ? 40 to 105 100 500 800
2/9 2011.12 - rev. a www.rohm.com ? 2011 rohm co., ltd. all rights reserved. data sheet bp5277-33 / BP5277-50 / bp5277-90 / bp5277-12 / bp5277-13 / bp5277-15 vi(24v) gnd control circuit 1 2 3 vo block diagram measurement circuit electrical characteristics 1 2 3 v a a vo v vi ii vin gnd vout gnd io parameter symbol unit conditions min. typ. max. vi 8.0 3.23 0 0 71 24.0 3.30 5 5 40 76 32.0 3.37 500 800 50 50 100 v v o v i o 1 vl i o 2 ma ma with heat sink vr mv vp f 900 khz mv i o =0 to 500ma vi=8 to 32v mv p-p ? % ? ? ? ? ? ? ? dc ? 1 ? 1 ? 1 max output current should be reduced according to the surrounding temperature. i o 1=0ma bp5277 ? 33 (unless otherwise noted, vi=24.0v, io1=500ma) parameter symbol unit conditions min. typ. max. vi 8.0 4.90 0 0 78 24.0 5.00 5 5 40 83 32.0 5.10 500 800 50 50 100 v v o v i o 1 vl i o 2 ma ma with heat sink vr mv vp f 900 khz mv i o =0 to 500ma vi=8 to 32v mv p-p ? % ? ? ? ? ? ? ? dc ? 1 ? 1 ? 1 max output current should be reduced according to the surrounding temperature. i o 1=0ma bp5277 ? 50 (unless otherwise noted, vi=24.0v, io1=500ma) parameter symbol unit conditions min. typ. max. vi 12.0 8.80 0 0 83 24.0 9.00 5 5 40 88 32.0 9.20 500 800 50 50 100 v v o v i o 1 vl i o 2 ma ma with heat sink vr mv vp f 900 khz mv i o =0 to 500ma vi=12 to 32v mv p-p ? % ? ? ? ? ? ? ? dc ? 1 ? 1 ? 1 max output current should be reduced according to the surrounding temperature. i o 1=0ma bp5277 ? 90 (unless otherwise noted, vi=24.0v, io1=500ma) input voltage output voltage output current 1 output current 2 line regulation load regulation output ripple voltage conversion efficiency operation frequency input voltage output voltage output current 1 output current 2 line regulation load regulation output ripple voltage conversion efficiency operation frequency input voltage output voltage output current 1 output current 2 line regulation load regulation output ripple voltage conversion efficiency operation frequency
3/9 2011.12 - rev. a www.rohm.com ? 2011 rohm co., ltd. all rights reserved. data sheet bp5277-33 / BP5277-50 / bp5277-90 / bp5277-12 / bp5277-13 / bp5277-15 operation notes ?there is fear of destruction of the internal circuit in case that input voltage exceeds the absolute maximum ratings (36v) by such as a surge occurred because of rapid start-up of power voltage. be sure not to exceed absolute maximum ratings even momentarily. ?this product has a protection element for safety. the protection element is fused for safety when the current which the protec tion element will fuse. please evaluate sufficiently at using environment about the action when the output circuit shorts. ?there are some case that the module generates heat exceeding allowable maximum surface temperature when the load current which exceeds the maximum output current is flowed. please make design keeping enough margins not to exceed allowable maximum surface tempera ture at any time under any application or any test conditions. ?the aluminum board at back part of the product is connected to gnd. please mind the arrangement not to contact surrounding parts. ?when using the module with bent lead pin, it might be destroyed with an extreme stress for the pcb or the aluminum board. plea se use the module without bending the lead pin. ?the aluminum board in the back might come off when an excessive stress is put in the direction of the thickness. when fixing t o the heat sink etc. to use this product, please mount to pcb after fixing to the heat sink and both the heat sink and this hold to pcb. electrical characteristics parameter symbol unit conditions min. typ. max. vi 15.0 11.75 0 0 85 24.0 12.00 5 5 40 90 32.0 12.25 500 800 50 50 100 v v o v i o 1 vl i o 2 ma ma with heat sink vr mv vp f 900 khz mv i o =0 to 500ma vi=15 to 32v mv p-p ? % ? ? ? ? ? ? ? dc ? 1 ? 1 ? 1 max output current should be reduced according to the surrounding temperature. i o 1=0ma bp5277-12 (unless otherwise noted, vi=24.0v, io1=500ma) parameter symbol unit conditions min. typ. max. vi 16.5 12.70 0 0 86 24.0 13.00 5 5 40 91 32.0 13.30 500 800 50 50 100 v v o v i o 1 vl i o 2 ma ma with heat sink vr mv vp f 900 khz mv i o =0 to 500ma vi=16.5 to 32v mv p-p ? % ? ? ? ? ? ? ? dc ? 1 ? 1 ? 1 max output current should be reduced according to the surrounding temperature. i o 1=0ma bp5277 ? 13 (unless otherwise noted, vi=24.0v, io1=500ma) parameter symbol unit conditions min. typ. max. vi 19.0 14.70 0 0 88 24.0 15.00 5 5 40 93 32.0 15.30 500 800 50 50 100 v v o v i o 1 vl i o 2 ma ma with heat sink vr mv vp f 900 khz mv i o =0 to 500ma vi=19 to 32v mv p-p ? % ? ? ? ? ? ? ? dc ? 1 ? 1 ? 1 max output current should be reduced according to the surrounding temperature. i o 1=0ma bp5277 ? 15 (unless otherwise noted, vi=24.0v, io1=500ma) input voltage output voltage output current 1 output current 2 line regulation load regulation output ripple voltage conversion efficiency operation frequency input voltage output voltage output current 1 output current 2 line regulation load regulation output ripple voltage conversion efficiency operation frequency input voltage output voltage output current 1 output current 2 line regulation load regulation output ripple voltage conversion efficiency operation frequency
4/9 2011.12 - rev. a www.rohm.com ? 2011 rohm co., ltd. all rights reserved. data sheet bp5277-33 / BP5277-50 / bp5277-90 / bp5277-12 / bp5277-13 / bp5277-15 bp5277-33 vi=32v vi=24v vi=24v, 32v 0 100 200 300 400 500 600 -40 -20 0 20 40 60 80 100 70 c 75 c 250ma 100ma operation range 0 200 400 600 800 -40 -20 0 20 40 60 80 100 75 c 500ma operation range 1000 output voltage vs. input voltage fluctuation (ta=25 c) power conversion efficiency fluctuation (ta=25 c) derating curve (no heat sink) derating curve (with heat sink) output voltage vo [v] line regulation (io=500ma) intput voltage vi [v] output voltage vo [v] output voltage vs. temperature fluctuation (vi=24v) output current io [ma] output current io [ma] output voltage vo [v] output current io [ma] power conversion efficiency [%] ambient temperature ta [ c ] load current io1 [ma] ambient temperature ta [ c ] load current io2 [ma] 0 1 2 3 4 5 6 7 0 10 20 30 40 50 60 70 80 90 100 0 0 1 2 3 4 5 6 7 5101520253035 0 100 200 300 400 500 100 200 300 400 500 0 100 200 300 400 500 0 1 2 3 4 5 6 7 ta=85 c ta=25 c ta= ? 30 c ta=85 c ta=25 c ta= ? 30 c vi=8v vi=24v vi=32v vi=8v vi=24v vi=32v
5/9 2011.12 - rev. a www.rohm.com ? 2011 rohm co., ltd. all rights reserved. data sheet bp5277-33 / BP5277-50 / bp5277-90 / bp5277-12 / bp5277-13 / bp5277-15 BP5277-50 vi=32v vi=24v vi=24v, 32v 0 100 200 300 400 500 600 -40 -20 0 20 40 60 80 100 65 c 73 c operation range 150ma 100ma 0 200 400 600 800 1000 -40 -20 0 20 40 60 80 100 75 c 500ma operation range output voltage vs. input voltage fluctuation (ta=25 c) power conversion efficiency fluctuation (ta=25 c) derating curve (no heat sink) derating curve (with heat sink) output voltage vo [v] line regulation (io=500ma) intput voltage vi [v] output voltage vo [v] output voltage vs. temperature fluctuation (vi=24v) output current io [ma] output current io [ma] output voltage vo [v] output current io [ma] power conversion efficiency [%] ambient temperature ta [ c ] load current io1 [ma] ambient temperature ta [ c ] load current io2 [ma] 0 1 2 3 4 5 6 7 0 100 200 300 400 500 0 1 2 3 4 5 6 7 0 100 200 300 400 500 0 10 20 30 40 50 60 70 80 90 100 0 100 200 300 400 500 1 2 3 4 5 6 7 515 10 25 30 20 35 0 ta=85 c ta=25 c ta= ? 30 c ta=85 c ta=25 c ta= ? 30 c vin=8v vin=24v vin=32v vin=8v vin=24v vin=32v
6/9 2011.12 - rev. a www.rohm.com ? 2011 rohm co., ltd. all rights reserved. data sheet bp5277-33 / BP5277-50 / bp5277-90 / bp5277-12 / bp5277-13 / bp5277-15 bp5277-90 vi=32v vi=24v vi=24v, 32v 0 100 200 300 400 500 600 -40 -20 0 20 40 60 80 100 65 c 70 c 70 c 150ma 80ma operation range 0 200 400 600 800 1000 -40 -20 0 20 40 60 80 100 400ma operation range output voltage vs. input voltage fluctuation (ta=25 c) power conversion efficiency fluctuation (ta=25 c) derating curve (no heat sink) derating curve (with heat sink) output voltage vo [v] line regulation (io=500ma) intput voltage vi [v] output voltage vo [v] output voltage vs. temperature fluctuation (vi=24v) output current io [ma] output current io [ma] output voltage vo [v] output current io [ma] power conversion efficiency [%] ambient temperature ta [ c ] load current io1 [ma] ambient temperature ta [ c ] load current io2 [ma] 0 2 4 6 8 10 12 14 16 0 2 4 6 8 10 12 14 16 0 100 200 300 400 500 0 10 20 30 40 50 60 70 80 90 100 0 100 200 300 400 500 0 100 200 300 400 500 0 2 4 6 8 10 12 14 16 10 15 20 25 30 35 ta=85 c ta=25 c ta= ? 30 c vi=12v vi=24v vi=32v vi=12v vi=24v vi=32v ta=85 c ta=25 c ta= ? 30 c
data sheet bp5277-33 / BP5277-50 / bp5277-90 / bp5277-12 / bp5277-13 / bp5277-15 7/9 2011.12 - rev. a www.rohm.com ? 2011 rohm co., ltd. all rights reserved. bp5277-12 output voltage vs. input voltage fluctuation (ta=25 c) output voltage vo [v] line regulation (io=500ma) intput voltage vi [v] output voltage vo [v] output voltage vs. temperature fluctuation (vi=24v) output current io [ma] output current io [ma] output voltage vo [v] power conversion efficiency fluctuation (ta=25 c) output current io [ma] power conversion efficiency [%] derating curve (no heat sink) derating curve (with heat sink) 0 100 200 300 400 500 600 -40 -20 0 20 40 60 80 100 ambient temperature ta [ c ] load current io [ma] ambient temperature ta [ c ] load current io [ma] vi=32v vi=24v 63 c 70 c 150ma 80ma operation range 0 200 400 600 800 1000 -40 -20 0 20 40 60 80 100 vi=24v, 32v 70 c 400ma operation range 16 14 12 10 8 6 4 2 10 15 20 25 30 35 0 0 16 14 12 10 8 6 4 2 0 16 14 12 10 8 6 4 2 0 100 200 300 400 500 0 10 20 30 40 50 60 70 80 90 100 0 100 200 300 400 500 0 100 200 300 400 500 ta=85 c ta=25 c ta= ? 30 c ta=85 c ta=25 c ta= ? 30 c vi=15v vi=24v vi=32v vi=15v vi=24v vi=32v
data sheet bp5277-33 / BP5277-50 / bp5277-90 / bp5277-12 / bp5277-13 / bp5277-15 8/9 2011.12 - rev. a www.rohm.com ? 2011 rohm co., ltd. all rights reserved. bp5277-13 0 100 200 300 400 500 600 -40 -20 0 20 40 60 80 100 vi=32v vi=24v 60 c 67 c 160ma 80ma operation range 0 200 400 600 800 1000 -40 -20 0 20 40 60 80 100 vi=24v, 32v 65 c 300ma operation range output voltage vs. input voltage fluctuation (ta=25 c) output voltage vo [v] line regulation (io=500ma) intput voltage vi [v] output voltage vo [v] output voltage vs. temperature fluctuation (vi=24v) output current io [ma] output current io [ma] output voltage vo [v] power conversion efficiency fluctuation (ta=25 c) output current io [ma] power conversion efficiency [%] derating curve (no heat sink) derating curve (with heat sink) ambient temperature ta [ c ] load current io1 [ma] ambient temperature ta [ c ] load current io2 [ma] 0 2 6 4 8 12 10 16 14 18 2 6 4 8 12 10 16 14 18 0 2 6 4 8 12 10 16 14 18 15 20 25 30 35 0 100 200 300 400 500 0 10 20 30 40 50 60 70 80 90 100 0 100 200 300 400 500 0 100 200 300 400 500 vi=16.5v vi=24v vi=32v vi=16.5v vi=24v vi=32v ta=85 c ta=25 c ta= ? 30 c ta=85 c ta=25 c ta= ? 30 c
data sheet bp5277-33 / BP5277-50 / bp5277-90 / bp5277-12 / bp5277-13 / bp5277-15 9/9 2011.12 - rev. a www.rohm.com ? 2011 rohm co., ltd. all rights reserved. bp5277-15 vi=24v, 32v 0 100 200 300 400 500 600 -40 -20 0 20 40 60 80 100 vi=32v vi=24v 60 c 67 c 160ma 85ma operation range 0 200 400 600 800 1000 -40 -20 0 20 40 60 80 100 65 c 300ma operation range output voltage vs. input voltage fluctuation (ta=25 c) output voltage vo [v] line regulation (io=500ma) intput voltage vi [v] output voltage vo [v] output voltage vs. temperature fluctuation (vi=24v) output current io [ma] output current io [ma] output voltage vo [v] power conversion efficiency fluctuation (ta=25 c) output current io [ma] power conversion efficiency [%] derating curve (no heat sink) derating curve (with heat sink) ambient temperature ta [ c ] load current io1 [ma] ambient temperature ta [ c ] load current io2 [ma] 0 2 6 4 8 12 10 16 14 18 0 2 6 4 8 12 10 16 14 18 0 2 6 4 8 12 10 16 14 18 15 20 25 30 35 0 100 200 300 400 500 0 100 200 300 400 500 0 10 20 30 40 50 60 70 80 90 100 0 100 200 300 400 500 ta=85 c ta=25 c ta= ? 30 c ta=85 c ta=25 c ta= ? 30 c vi=19v vi=24v vi=32v vi=19v vi=24v vi=32v
r1120a www.rohm.com ? 2012 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 specied herein is subject to change for improvement without notice. the content specied 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 specications, 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 design ing circuits for mass production. great care was taken in ensuring the accuracy of the information specied 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 specied herein is intended only to show the typical functions of and examples of application circuits for the produc ts. 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 specied in this document are intended to be used with general-use electronic equipment or devices (such as audio visual equipment, ofce-automation equipment, commu- nication devices, electronic appliances and amusement devices). the products specied 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, re or any other damage caused in the event of the failure of any product, such as derating, redundancy, re 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, aerospace 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 specied 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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