1/8 www.rohm.com 2011.02 - rev.b ? 2011 rohm co., ltd. all rights reserved. led drivers for lcd backlights backlight led driver for small lcd panels (charge pump type) bd1603nuv description the high-power (large current output) type le d driver is a white led driver best suit ed for applications that require the large current. it is equipped with output voltage and oscillation frequency swit ch functions to flexibly cope with a wide variety of applicati ons. because output voltage is fixed at 4.5v or 5.0v, it is also applicable to applications except the led driver. features 1) selectable 4.5v or 5.0v output voltage 2) 190ma output (at vo=4.5v) 3) 150ma output (at vo=5.0v) 4) oscillation frequency sw itching (238khz or 642khz) 5) current consumption less than or equal to 2a at shut-down 6) low ripple output owing to a complementary charge pump circuit 7) over current protection when vout short to gnd. 8) soft start function 9) mounting various protection functions such as cu rrent overload limiter and thermal shut-down circuit 10) small vson package applications this driver is applicable for various fields such as mobile phones, portable game machines and appliances. 5v supply for hdmi 5v supply for usb otg lineup parameter bd1603nuv number of leds up to 10 leds (up to maximum load current) boost magnification 2 fixed (4.5v or 5.0v output) interface control via external pins individual led lighting not available package vson010v3030 3mm 3mm absolute maximum rating (ta=25oc) parameter symbol ratings unit condition power supply voltage vinmax 7 v output voltage vomax 7 v operating temperature ra nge topr -30 ~ +85 oc storage temperature range tstg -55 ~ +150 oc allowable loss pd 700(*1) mw (*1)when a glass epoxy substrate (70mm 70mm 1.6mm) has been mounted, this loss will decrease 5.6mw/oc if ta is higher than or equal to 25oc. operation range (ta=-30oc to +85oc) parameter symbol ratings unit condition operating supply voltage vin 2.7~5.5 v no.11040ebt20
technical note 2/8 www.rohm.com 2011.02 - rev.b ? 2011 rohm co., ltd. all rights reserved. bd1603nuv ? Q Q Q Q ]
technical note 3/8 www.rohm.com 2011.02 - rev.b ? 2011 rohm co., ltd. all rights reserved. bd1603nuv input voltage [v] out put voltage[v] input voltage[v] quiescent current[ma] input voltage[v] quiescent current[a] input voltage[v] quiescent current[ma] input voltage[v] output voltage[v] load current [ma] input voltage [v] input voltage[v] efficiency [%] input voltage [v] efficiency [%] load current [ma] output voltage [v] load current [ma] efficiency [%] load current [ma]
technical note 4/8 www.rohm.com 2011.02 - rev.b ? 2011 rohm co., ltd. all rights reserved. bd1603nuv ???
technical note 5/8 www.rohm.com 2011.02 - rev.b ? 2011 rohm co., ltd. all rights reserved. bd1603nuv 4. efficiency the efficiency can be obtained from the following formula: [] %100 iv iov = ?? ? ?
technical note 6/8 www.rohm.com 2011.02 - rev.b ? 2011 rohm co., ltd. all rights reserved. bd1603nuv ? ? ? ? ?
technical note 7/8 www.rohm.com 2011.02 - rev.b ? 2011 rohm co., ltd. all rights reserved. bd1603nuv
technical note 8/8 www.rohm.com 2011.02 - rev.b ? 2011 rohm co., ltd. all rights reserved. bd1603nuv (unit : mm) vson010v3030 s 3.00.1 3.00.1 1pin mark 1.0max (0.22) s 0.08 0.02 +0.03 - 0.02 610 51 0.40.1 0.5 0.5 2.00.1 1.20.1 0.25 +0.05 - 0.04 c0.25 ? 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 left when you hold reel on the left hand and you pull out the tape on the right hand 3000pcs e2 () direction of feed reel 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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