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1/13 www.rohm.com 2012.01 - rev.c ? 2012 rohm co., ltd. all rights reserved. cmos ldo regulator for portable equipments dual, low-dropout linear regulator bd7003nux, bd7004nux descriptions the bd7003nux, bd7004nux are dual channels, 300ma low-drop out voltage regulator output at each channel. the output voltage range is from 1.2v to 3.3v by operating range from 2.5v to 5.5v. the output voltages, vout1 and vout2, are determined at power up by the state of p1 and p2(see the table of ?output-vol tage programming?). the bd7003nux, bd7004nux offer 1.8% accuracy and low-dropout. the shutdown current is near the zero current which is suitable for battery powered device. the bd7003nux, bd7004nux ar e mounted on vson008x2020(2. 0mmx2.0mmx0.6mm), which contributes to the space-saving design of set. features 1) 2-channel 300ma, cmos-type ldos. 2) pin-programmable output voltage. (9 steps adjustable vo see the table of ?output -voltage programming?.) 3) ldos power on/off enable control. 4) 2.0mm 2.0mm package. 5) small ceramic output capacitors(1 f). 6) equipped with over current limiter and thermal shutdown circuit(tsd) . applications battery-powered portable equipment, etc. absolute maximum ratings (ta = 25 ) parameter symbol ratings unit maximum supply voltage (vin) vin -0.3 7 v maximum input voltage 1 (p1,p2,en1,en2) vinmax1 -0.3 7 v maximum input voltage 2 (vout1,vout2) vinmax2 -0.3 vin+0.3 v power dissipation pd 1360* 1 mw operating temperatur e range topr -40 +85 storage temperature range tstg -55 +150 * 1 this is the allowable loss of when it is mounted on a rohm specification board 40mm 40mm 1.5mmt to use at temperature higher than 25 ? c , derate 10.9mw per 1 * this product is not especially designed to be protected from radioactivity. recommended operating range (ta=-40 +85 ) parameter symbol ratings unit input power supply voltage range vin 2.5 5.5 v no.12020ect09
technical note 2/13 www.rohm.com 2012.01 - rev.c ? 2012 rohm co., ltd. all rights reserved. bd7003nux,bd7004nux 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 0 25 50 75 100 125 150 175 200 m
technical note 3/13 www.rohm.com 2012.01 - rev.c ? 2012 rohm co., ltd. all rights reserved. bd7003nux,bd7004nux R
technical note 4/13 www.rohm.com 2012.01 - rev.c ? 2012 rohm co., ltd. all rights reserved. bd7003nux,bd7004nux gnd c in 1f vin vin p1 p2 en1 en2 vout2 vout1 vin vin c out1 1f c out2 1f
technical note 5/13 www.rohm.com 2012.01 - rev.c ? 2012 rohm co., ltd. all rights reserved. bd7003nux,bd7004nux
technical note 6/13 www.rohm.com 2012.01 - rev.c ? 2012 rohm co., ltd. all rights reserved. bd7003nux,bd7004nux 1 1 2 vin 3k 2pin, 5pin (en) 3k 3-state decoder h open l 3pin, 4pin (p) 8pin, 7pin (vout)
technical note 7/13 www.rohm.com 2012.01 - rev.c ? 2012 rohm co., ltd. all rights reserved. bd7003nux,bd7004nux 0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5 io=300ma io=1ma io=10ma o=0ma 0 0.5 1 1.5 2 2.5 3 3.5 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5 io=300ma io=1ma io=10ma o=0ma 0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 2.5 3 3.5 4 4.5 5 5.5 io=300ma io=1ma io=10ma o=0ma 0 0.5 1 1.5 2 2.5 3 3.5 3.7 4.2 4.7 5.2 io=300ma io=1ma io=10ma io=0ma 0 0.2 0.4 0.6 0.8 1 1.2 1.4 00.511.522.533.544.555.5 io=300ma io=1ma io=10ma o=0ma 0 0.2 0.4 0.6 0.8 1 1.2 1.4 2.53 3.544.5 55.5 io=300ma io=1ma io=10ma o=0ma vout1=1.2v
technical note 8/13 www.rohm.com 2012.01 - rev.c ? 2012 rohm co., ltd. all rights reserved. bd7003nux,bd7004nux 0.0 0.5 1.0 1.5 2.0 2.5 3.0 00.511.5 en voltage (v) out p ut volta g e ( v ) ta=85 0 20 40 60 80 100 -40 -15 10 35 60 85 temp (c) gnd current (ua ) p1=p2=gnd p1=p2=gnd 0 1 2 3 4 5 6 7 8 9 10 -40 -15 10 35 60 85 temp (c) g n d c u rre n t ( ua ) p1=p2=gnd 0.00 0.10 0.20 0.30 0.40 0.50 0.60 0.70 0.80 0.90 1.00 0 0.05 0.1 0.15 0.2 0.25 0.3 vin=2.7v temp=85 temp=25 temp=-40 0.00 0.10 0.20 0.30 0.40 0.50 0.60 0.70 0.80 0.90 1.00 0 0.05 0.1 0.15 0.2 0.25 0.3 vin=2.7v temp=85 temp=25 temp=-40
technical note 9/13 www.rohm.com 2012.01 - rev.c ? 2012 rohm co., ltd. all rights reserved. bd7003nux,bd7004nux 0 0.5 1 1.5 2 2.5 3 3.5 4 0 50 100 150 200 250 300 iout1[a] vout1 [v] temp=-40c temp=25c temp=85c 0 0.5 1 1.5 2 2.5 3 3.5 4 0 50 100 150 200 250 300 iout2[ma] vout2 [v] 0.05 0.1 0.15 0.2 0.25 0.3 temo= -40
technical note 10/13 www.rohm.com 2012.01 - rev.c ? 2012 rohm co., ltd. all rights reserved. bd7003nux,bd7004nux fig.40. load response (vout1=1.2v) iout=1ma iout150ma->1ma vout1 100ma/div 40sec/div 200mv/div i o u t 1 ma- > 1 5 0 ma vout1 100ma/div 40sec/div 200mv/div iout1ma->150ma vout1 100ma/div 40sec/div 200mv/div iout150ma->1ma vout1 100ma/div 40sec/div 200mv/div
technical note 11/13 www.rohm.com 2012.01 - rev.c ? 2012 rohm co., ltd. all rights reserved. bd7003nux,bd7004nux en1(5v/div) vin=3.7v,en2=en1 en1(5v/div) vout2(0.5v/div) vout1(0.5v/div) 20ms/div vin=5.5v,en2=en1 en1(5v/div) vout1(0.5v/div) 20ms/div vout2(0.5v/div) vout1(0.5v/div) vout2(0.5v/div) en1(5v/div) 20ms/div vin=3.7v,en2=l(off) en1(5v/div) vout1(0.5v/div) vout2(0.5v/div) 20ms/div vin=5.5v,en2=l(off) vout2(0.5v/div) vout1(0.5v/div) 20ms/div vin=5.5v,en2=h(on) en1(5v/div) vout2(0.5v/div) vout1(0.5v/div) 20ms/div vin=3.7v,en2=h(on)
technical note 12/13 www.rohm.com 2012.01 - rev.c ? 2012 rohm co., ltd. all rights reserved. bd7003nux,bd7004nux
technical note 13/13 www.rohm.com 2012.01 - rev.c ? 2012 rohm co., ltd. all rights reserved. bd7003nux,bd7004nux (unit : mm) vson008x2020 2.00.05 2.00.05 0.6max 0.02 +0.03 ?0.02 s 0.05 s (0.12) +0.05 ?0.04 1.50.1 1.50.1 0.50.1 0.80.1 0.30.1 1 8 4 5 c0.25 0.25 1pin mark ? 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 4000pcs e2 () direction of feed reel 1pin
r1120 a 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 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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