me6208 v0 2 page 1 of 7 15 0 ma, high input voltage ldo linear regulators me6208 series general descript ion fe atures t ypical application select ion guide m e6208 series are low-dropout linear voltage regulators with a built-in voltage reference module, error correction module and phase compensation module. me6208 series are based on the cmos process and allow high voltage input with low quiescent current. this series has the function of internal feedback resistor setting from 3.0v to 5.0v. the output accuracy is 2%. l electronic weighbridge l scm l phones, cordless phones l security products l water meters, power meters t ypical application circuit l high output accuracy ? 2% l input voltage ? up to 18 v l output voltage ? 3.0 v ~ 5.0v l ultra-low quiescent current (typ. = 3 a) l output current ? iout = 200ma ? when vin = 7v and vout =5v ? l importation good stability ? typ. 0.05% / v l low temperature coefficient l ceramic capacitor can be used l package ? sot89-3 0 to92 v?mw`r?y?b? w w w . g o f o t e c h . c o m
me6208 v02 page 2 of 7 pin configuration pin assignment ME6208Axx pin number sot89-3 to9 2 pin name functions 1 1 v ss ground 2 2 v in power input 3 3 v out output absolute maximu m ratings parameter symbol ratings units input voltage v in 18 v output current i out 250 ma output voltage v out vss-0.3 ?^v in +0.3 v sot89-3 500 mw power dissipation to92 p d 500 mw operating temperature range t opr ?
25 ?^? 85 ! storage temp erature range t stg ?
40 ?^? 125 ! lead temperature 260 !? 10sec n ~n?t?m?w3^v?mw`r?y?b?g ?pqls? tel: 0755-8398 3377 / 135 9011 2223 http://www.gofotech.com v?mw`r?y?b? w w w . g o f o t e c h . c o m
me6208 v02 page 3 of 7 block diagram electrical characteristics ME6208A (v in = v out +2.0v ? c in= c l =10uf ? ta=25 o c, unless otherwise noted ) parameter symbol conditions min. typ. max. units output voltage v out (e) (note 2) i out =40ma, v in =vout+2v x 0.98 v out (t) (note 1) x 1.02 v input voltage v in 18 v maximum output current i out _max v in =vout+2v 150 ma load regulation ? v out v in =vout+2v, 1ma i out 100ma 10 mv v dif1 i out =50ma 250 mv v dif2 i out =100ma 500 mv dropout voltage (note 3) v dif3 i out =200ma 1000 mv supply current i ss v in =vout+2v 3 ?a line regulations ? v out ? v in v out i out =40ma vout+2v v in 18v 0.05 %/v note ? 1. v out (t) ? specif ied output voltage 2.v out (e) ? effectiv e output voltage ( ie. the output voltage when ?v out (t)+2.0v?is provided at the vin pin while maintaining a certain iout value.) 3.v dif ?v in1 ?v out (e)? v in1 ? the input voltage when v out (e)? appears as input volt age is gradually decreased. v out (e)?=a voltage equa l to 98% of the output voltage whenever an amply stabilized iout and {v out (t)+2.0v} is input. n ~n?t?m?w3^v?mw`r?y?b?g ?pqls? tel: 0755-8398 3377 / 135 9011 2223 http://www.gofotech.com v?mw`r?y?b? w w w . g o f o t e c h . c o m
me6208 v02 page 4 of 7 type characteristics ?1 ? output currentvs.output v oltage ? ta = 25 c ? ME6208A50 output v oltage vs. output current 4.70 4.80 4.90 5.00 5.10 5.20 5.30 0 20 40 60 80 100 120 140 160 180 200 output current(ma) output vo ltage (v) ?2 ? input voltagevs. output voltage ? ta = 25 c ? ME6208A50 output voltag e vs. input voltage 0.00 0.50 1.00 1 .50 2.00 2.50 3.00 3.50 4.00 4.50 5.00 5.50 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 input voltag e(v) output voltag e(v) io=0ma io=40ma n ~n?t?m?w3^v?mw`r?y?b?g ?pqls? tel: 0755-8398 3377 / 135 9011 2223 http://www.gofotech.com v?mw`r?y?b? w w w . g o f o t e c h . c o m
me6208 v02 page 5 of 7 ?3 ? output current vs.droput voltage ? ta = 25 c ? ME6208A50 dropout voltage vs.output current 0 200 400 600 800 1000 1200 0 50 100 150 200 output current (ma) dropout voltage(mv) ?4 ? input voltage vs . supply current ? ta = 25 c ? ME6208A50 quiesce nt current vs. input voltage 0 1 2 3 4 5 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 input voltage(v) quiescent current (ua) n ~n?t?m?w3^v?mw`r?y?b?g ?pqls? tel: 0755-8398 3377 / 135 9011 2223 http://www.gofotech.com v?mw`r?y?b? w w w . g o f o t e c h . c o m
me6208 v02 page 6 of 7 packaging informatio n %? sot89-3 %? to-92 n ~n?t?m?w3^v?mw`r?y?b?g ?pqls? tel: 0755-8398 3377 / 135 9011 2223 http://www.gofotech.com v?mw`r?y?b? w w w . g o f o t e c h . c o m
me6208 v02 page 7 of 7 l the information d escribed herein is subject to change without notice. l nanjing micro one electronics inc is not responsible for any problems caused by circuits or diagrams described herein whose related industrial properties, patents, or other rights belong to third parties . the application circuit exa mples explain typical applications of the products, and do not guarantee the success of any specific mass-production design. l use of the information described herein for other purposes and/or reproduction or copying without the express permission of nanjing micro one electronics inc is strictly prohibited. l the products described herein cannot be used as part of any device or equipment affecting the human body, such as exercise equipment, medical equipment, security systems, gas equipment, or any apparatus installed in airplanes and other vehicles, without prior written permission of nanjing micro one electronics inc. l although nanjing micro one electronics inc exerts the greatest possible effort to ensure high quality and reliability, the failure or malfunction of semiconductor products may occur. the user of these products should therefore give thorough consideration to safety design, including redundancy, fire-prevention measures, and malfunction prevention, to prevent any accidents, fires, or community damage that may ensue. n ~n?t?m?w3^v?mw`r?y?b?g ?pqls? tel: 0755-8398 3377 / 135 9011 2223 http://www.gofotech.com v?mw`r?y?b? w w w . g o f o t e c h . c o m
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