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| 1/11 www.rohm.com 2011.03 - rev. a ? 2011 rohm co., ltd. all rights reserved. standard variable outp ut ldo regulators 2a standard variable output ldo regulator BD00D0AWHFP description the BD00D0AWHFP is low-saturation regulator. the output voltage can be arbitrarily configured using the external resistance. this ic has a built-in over-current protection circ uit that prevents the destruction of the ic due to output short circuits and a thermal shutdown circuit that protects the ic from thermal damage due to overloading. features 1) output current : 2a 2) high output voltage precision : 1% 3) low saturation with pdmos output 4) built-in over-current protection circuit that prevents the destruction of the ic due to output short circuits 5) built-in thermal shutdown circuit for protec ting the ic from thermal damage due to overloading 6) low esr capacitor 7) hrp5 packaging applications audiovisual equipments, fpds, televisions, per sonal computers or any other consumer device absolute maximum ratings (ta=25 ) parameter symbol ratings unit supply voltage *1 vcc -0.3 +35.0 v output control voltage v ctl -0.3 +35.0 v power dissipation *2 pd 1.6 w operating temperature range topr -40 +105 storage temperature range tstg -55 +150 maximum junction temperature tjmax +150 *1 not to exceed pd. *2 hrp5: reduced by 12.8mw / over ta = 25 , when mounted on glass epoxy board: 70mm 70mm 1.6mm. note: this product is not designed for protection against radioactive rays. operating conditions (ta=25 ) parameter symbol min. max. unit supply voltage vcc 4.0 25.0 v output control voltage v ctl 0 25.0 v output current io 0 2.0 a output voltage vo 3.0 15.0 v no.11023ebt04
technical note 2/11 www.rohm.com 2011.03 - rev. a ? 2011 rohm co., ltd. all rights reserved. BD00D0AWHFP technical note 3/11 www.rohm.com 2011.03 - rev. a ? 2011 rohm co., ltd. all rights reserved. BD00D0AWHFP 4 [] P P technical note 4/11 www.rohm.com 2011.03 - rev. a ? 2011 rohm co., ltd. all rights reserved. BD00D0AWHFP technical note 5/11 www.rohm.com 2011.03 - rev. a ? 2011 rohm co., ltd. all rights reserved. BD00D0AWHFP (unit : mm) hrp5 s 0.08 s (max 9.745 include burr) 5432 1 1.9050.1 0.8 350.2 1.5230.15 10.540.13 ?0.05 +0.1 0.27 4.5 (6.5) 8.82 0.1 9.3950.125 0.730.1 1.72 0.080.05 (7.49) 8.00.13 1.0170.2 1.2575 ?4.5 +5.5 technical note 6/11 www.rohm.com 2011.03 - rev. a ? 2011 rohm co., ltd. all rights reserved. BD00D0AWHFP P P technical note 7/11 www.rohm.com 2011.03 - rev. a ? 2011 rohm co., ltd. all rights reserved. BD00D0AWHFP 0 2 4 6 8 10 0 25 50 75 100 125 150 temperatur e atmospher e ta( R L L L L L L L L L L L L Q Q Q technical note 8/11 www.rohm.com 2011.03 - rev. a ? 2011 rohm co., ltd. all rights reserved. BD00D0AWHFP R R R R technical note 9/11 www.rohm.com 2011.03 - rev. a ? 2011 rohm co., ltd. all rights reserved. BD00D0AWHFP cout_esr vs io(reference data) cin vs cout(reference data) vcc ? 0.001 0.01 0.1 1 10 100 0 400 800 1200 1600 2000 io(ma) cout_esr (? ? 1 10 100 1 10 100 coutf cinf ? ? ? ? technical note 10/11 www.rohm.com 2011.03 - rev. a ? 2011 rohm co., ltd. all rights reserved. BD00D0AWHFP 17. positive voltage surges on vcc pin a power zener diode should be inserted between vcc and gnd fo r protection against voltage surges of more than 35v on the vcc pin. 18. negative voltage surges on vcc pin a schottky barrier diode should be inserted between vcc and gnd for protection against vo ltages lower than gnd on the vcc pin. 19. output protection diode loads with large inductance components may cause reverse curr ent flow during startup or shutdown. in such cases, a protection diode should be insert ed on the output to protect the ic. 20. regarding input pins of the ic this monolithic ic contains p+ isolation a nd p substrate layers between adjacent elem ents in order to keep them isolated. pn junctions are formed at the intersection of these p layers with the n layers of other elements, creating parasitic diodes and/or transistors. for example (refer to the figure below): technical note 11/11 www.rohm.com 2011.03 - rev. a ? 2011 rohm co., ltd. all rights reserved. BD00D0AWHFP direction of feed 1pin reel ? order quantity needs to be multiple of the minimum quantity. r1120 a www.rohm.com ? 2011 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 designing 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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