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1/10 www.rohm.com 2011.01 - rev.b ? 2011 rohm co., ltd. all rights reserved. cmos ldo regulators fo r portable equipments 1ch 150ma cmos ldo regulators bh pb1whfv series description the bh pb1whfv regulator series can respond to changes in out put current by switching to a state in which regulator characteristics are ideal. the regulators cut power consumpti on by lowering their own current consumption to approximately 2 ? a when the application is operating in the standby state. during normal-current operation it will automatically switch to high-speed operating mode. the ic's soft start function reduce t he rush current that flows to the output capacitors during startup. the hvsof5 package, which features excellent heat dissipation, contributes to space-saving application designs. features 1) automatic switching between low-consumption and high-speed modes 2) built-in rush current prevention circuit 3) low-voltage 1.7 v operation 4) high accuracy output voltage: 1% 5) circuit current during lo w-consumption operation: 2 ? a 6) stable with a ceramic capacitor (0.47 f) 7) built-in temperature and ov ercurrent protection circuits 8) built-in output discharge duri ng standby operation function 9) ultra-small hvsof5 power package applications battery-driven portable devices, etc. product lineup ? 150 ma bh pb1whfv series product name 1.2 1.5 1.8 2.5 2.8 2.9 3.0 3.1 3.3 package bh pb1whfv hvsof5 model name: bh pb1w a b symbol description a output voltage specification output voltage (v) output voltage (v) 12 1.2 v (typ.) 29 2.9 v (typ.) 15 1.5 v (typ.) 30 3.0 v (typ.) 18 1.8 v (typ.) 31 3.1 v (typ.) 25 2.5 v (typ.) 33 3.3 v (typ.) 28 2.8 v (typ.) b package hfv: hvsof5 no.11020ebt05
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technical note bh pb1whfv series 10/10 www.rohm.com 2011.01 - rev.b ? 2011 rohm co., ltd. all rights reserved. ordering part number b h 3 0 p b 1 w h f v - t r part no. output voltage 12: 1.2 v 15: 1.5 v 18: 1.8 v 25: 2.5 v 28: 2.8 v 29: 2.9 v 30: 3.0 v 31: 3.1 v 33: 3.3 v series pb1:auto power- saving type shutdown switch w : includes switch package hfv : hvsof5 packaging and forming specification tr: embossed tape and reel (unit : mm) hvsof5 s 0.08 m 0.1 s 4 321 5 (0.05) 1.60.05 1.00.05 1.60.05 1.2 0.05 (max 1.28 include burr) 45 32 1 (0.8) (0.91) (0.3) (0.41) 0.2max 0.130.05 0.220.05 0.6max 0.5 0.02 +0.03 ?0.02 direction of feed 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 upper right when you hold reel on the left hand and you pull out the tape on the right hand 3000pcs tr () 1pin
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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