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1/11 www.rohm.com 2010.10 - rev. a ? 2010 rohm co., ltd. all rights reserved. standard variable outp ut ldo regulators 300ma standard variable output ldo regulator ba3662cp-v5 description the ba3662cp-v5 is low-saturation regulator. the output voltage can be arbitrarily configured using the external resistance. this ic has a built-in over-current protec tion circuit 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: 300ma 2) high output voltage precision : 2% 3) low saturation with pnp 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) built-in over- voltage protection circuit that prev ents the destruction of the ic due to power supply surges 7) to220cp-v5 packaging applications audiovisual equipments, fpds, televisions, per sonal computers or any other consumer device absolute maxi mum ratings (ta=25 ) parameter symbol ratings unit supply voltage 1 vcc -0.3 +35.0 v output control voltage v ctl -0.3 +vcc v power dissipation 2 pd 2000 mw operating temperature range topr -40 +125 storage temperature range tstg -55 +150 maximum junction temperature tjmax +150 peak supply voltage 3 vcc peak +50 v 1 not to exceed pd. 2 to220cp-v5:derating in done at 16mw/ for operating above ta R 25 .(without heat sink) 3 applied voltage : 200msec or less (tr 1msec) note : this product is not designed for protection against radioactive rays. no.10023eat05 max200msec (voltage supply more than 35v) 50v 35v 0v tr R 1msec
technical note 2/11 ba3662cp-v5 www.rohm.com 2010.10 - rev. a ? 2010 rohm co., ltd. all rights reserved. S
technical note 3/11 ba3662cp-v5 www.rohm.com 2010.10 - rev. a ? 2010 rohm co., ltd. all rights reserved. 0 4 8 12 16 20 0 50 100 150 200 250 300 output current [] [v] [ ] P
technical note 4/11 ba3662cp-v5 www.rohm.com 2010.10 - rev. a ? 2010 rohm co., ltd. all rights reserved.
technical note 5/11 ba3662cp-v5 www.rohm.com 2010.10 - rev. a ? 2010 rohm co., ltd. all rights reserved.
technical note 6/11 ba3662cp-v5 www.rohm.com 2010.10 - rev. a ? 2010 rohm co., ltd. all rights reserved. P P
technical note 7/11 ba3662cp-v5 www.rohm.com 2010.10 - rev. a ? 2010 rohm co., ltd. all rights reserved. R ambient temperature ta() Q Q Q
technical note 8/11 ba3662cp-v5 www.rohm.com 2010.10 - rev. a ? 2010 rohm co., ltd. all rights reserved. R R
technical note 9/11 ba3662cp-v5 www.rohm.com 2010.10 - rev. a ? 2010 rohm co., ltd. all rights reserved. ? ? ?
technical note 10/11 ba3662cp-v5 www.rohm.com 2010.10 - rev. a ? 2010 rohm co., ltd. all rights reserved. 14. 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 50v on the vcc pin. 15. 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. 16. 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. 17. 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 ba3662cp-v5 www.rohm.com 2010.10 - rev. a ? 2010 rohm co., ltd. all rights reserved. (unit : mm) to220cp-v5 16.92 0.92 3.2 0.1 4.5 0.1 0.82 0.1 8.0 0.2 1.58 0.42 0.1 12.0 0.2 1.778 1.444 4.92 0.2 10.0 +0.3 - 0.1 2.8 +0.2 - 0.1 13.60 15.2 - 0.2 +0.4 4.12 1.0 0.2 (1.0) (2.85) direction of feed 1pin reel ? order quantity needs to be multiple of the minimum quantity. embossed carrier tape tape quantity direction of feed the direction is the 1pin of product is at the lower left when you hold reel on the left hand and you pull out the tape on the right hand 500pcs e2 ()
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 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 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 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, redunda ncy, 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, 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 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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