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ht71xx-1 30ma low power ldo selection table part no. output voltage package marking ht7121-1 2.1v to92 sot89 sot23-5 71xxa-1 (for to92) 71xx-1 (for sot89) 1xx1 (for sot23-5) ht7123-1 2.3v ht7125-1 2.5v ht7127-1 2.7v ht7130-1 3.0v HT7133-1 3.3v ht7136-1 3.6v ht7144-1 4.4v ht7150-1 5.0v note: xx stands for output voltages. for lead free devices, to92 package will add a # mark at the end of the date code, whereas sot89 & sot23-5 packages will add a # mark at the end of the marking. block diagram rev. 1.70 1 february 11, 2009 features low power consumption low voltage drop low temperature coefficient high input voltage (up to 24v) output voltage accuracy: tolerance 3% to92, sot89 and sot23-5 package applications battery-powered equipment communication equipment audio/video equipment general description the ht71xx-1 series is a set of three-terminal low power high voltage regulators implemented in cmos technology. they allow input voltages as high as 24v. they are available with several fixed output voltages ranging from 2.1v to 5.0v. cmos technology ensures low voltage drop and low quiescent current. although designed primarily as fixed voltage regulators, these devices can be used with external components to obtain variable voltages and currents.

pin assignment absolute maximum ratings supply voltage ......................................... 0.3v to 26v storage temperature ........................... 50 cto125 c operating temperature .......................... 40 cto85 c note: these are stress ratings only. stresses exceeding the range specified under absolute maximum ratings may cause substantial damage to the device. functional operation of this device at other conditions beyond those listed in the specification is not implied and prolonged exposure to extreme conditions may affect device reliability. thermal information symbol parameter package max. unit ja thermal resistance (junction to ambient) (assume no ambient airflow, no heat sink) sot23-5 500 c/w sot89 200 c/w to92 200 c/w p d power dissipation sot23-5 0.20 w sot89 0.50 w to92 0.50 w note: p d is measured at ta= 25 c ht71xx-1 rev. 1.70 2 february 11, 2009

electrical characteristics ht7121-1, +2.1v output type ta=25 c symbol parameter test conditions min. typ. max. unit v in conditions v out output voltage 4.1v i out =10ma 2.037 2.100 2.163 v i out output current 4.1v 20 30 ma v out load regulation 4.1v 1ma
i out
20ma 60 100 mv v dif voltage drop (note) i out =1ma, v out =2% 100 mv i ss current consumption 4.1v no load 2.5 5.0 a line regulation 3.1v
v in
24v i out =1ma 0.2 %/v v in input voltage 24 v temperature coefficient 4.1v i out =10ma 0ci out
20ma 60 100 mv v dif voltage drop (note) i out =1ma, v out =2% 100 mv i ss current consumption 4.3v no load 2.5 5.0 a line regulation 3.3v
v in
24v i out =1ma 0.2 %/v v in input voltage 24 v temperature coefficient 4.3v i out =10ma 0c ht7125-1, +2.5v output type ta=25 c symbol parameter test conditions min. typ. max. unit v in conditions v out output voltage 4.5v i out =10ma 2.425 2.500 2.575 v i out output current 4.5v 20 30 ma v out load regulation 4.5v 1ma
i out
20ma 60 100 mv v dif voltage drop (note) i out =1ma, v out =2% 100 mv i ss current consumption 4.5v no load 2.5 5.0 a line regulation 3.5v
v in
24v i out =1ma 0.2 %/v v in input voltage 24 v temperature coefficient 4.5v i out =10ma 0ci out
20ma 60 100 mv v dif voltage drop (note) i out =1ma, v out =2% 100 mv i ss current consumption 4.7v no load 2.5 5.0 a line regulation 3.7v
v in
24v i out =1ma 0.2 %/v v in input voltage 24 v temperature coefficient 4.7v i out =10ma 0c ht7130-1, +3.0v output type ta=25 c symbol parameter test conditions min. typ. max. unit v in conditions v out output voltage 5v i out =10ma 2.91 3.00 3.09 v i out output current 5v 20 30 ma v out load regulation 5v 1ma
i out
20ma 60 100 mv v dif voltage drop (note) i out =1ma, v out =2% 100 mv i ss current consumption 5v no load 2.5 5.0 a line regulation 4v
v in
24v i out =1ma 0.2 %/v v in input voltage 24 v temperature coefficient 5v i out =10ma 0cHT7133-1, +3.3v output type ta=25 c symbol parameter test conditions min. typ. max. unit v in conditions v out output voltage 5.5v i out =10ma 3.201 3.300 3.399 v i out output current 5.5v 20 30 ma v out load regulation 5.5v 1ma
i out
30ma 60 100 mv v dif voltage drop (note) i out =1ma, v out =2% 100 mv i ss current consumption 5.5v no load 2.5 5.0 a line regulation 4.5v
v in
24v i out =1ma 0.2 %/v v in input voltage 24 v temperature coefficient 5.5v i out =10ma 0c ht7136-1, +3.6v output type ta=25 c symbol parameter test conditions min. typ. max. unit v in conditions v out output voltage 5.6v i out =10ma 3.492 3.600 3.708 v i out output current 5.6v 20 30 ma v out load regulation 5.6v 1ma
i out
30ma 60 100 mv v dif voltage drop (note) i out =1ma, v out =2% 60 mv i ss current consumption 5.6v no load 2.5 5.0 a line regulation 4.6v
v in
24v i out =1ma 0.2 %/v v in input voltage 24 v temperature coefficient 5.6v i out =10ma 0ci out
30ma 60 100 mv v dif voltage drop (note) i out =1ma, v out =2% 100 mv i ss current consumption 6.4v no load 2.5 5.0 a line regulation 5.4v
v in
24v i out =1ma 0.2 %/v v in input voltage 24 v temperature coefficient 6.4v i out =10ma 0c ht7150-1, +5.0v output type ta=25 c symbol parameter test conditions min. typ. max. unit v in conditions v out output voltage 7v i out =10ma 4.85 5.00 5.15 v i out output current 7v 20 30 ma v out load regulation 7v 1mai out 30ma 60 100 mv v dif voltage drop (note) i out =1ma, v out =2% 100 mv i ss current consumption 7v no load 2.5 5.0 a line regulation 6vv in 24v i out =1ma 0.2 %/v v in input voltage 24 v temperature coefficient 7v i out =10ma 0c

short-circuit protection by tr1 circuit for increasing output voltage v=v(1+ r2 r1 )+i r2 out xx ss circuit for increasing output voltage v out =v xx +v d1 ht71xx-1 rev. 1.70 8 february 11, 2009

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constant current regulator i out xx a ss = v r +i dual supply ht71xx-1 rev. 1.70 9 february 11, 2009 " #

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package information 3-pin to92 outline dimensions symbol dimensions in mil min. nom. max. a 170 200 b 170 200 c 500 d11 20 e90 110 f45 55 g45 65 h 130 160 i8 18 46 ht71xx-1 rev. 1.70 10 february 11, 2009 " % &
3-pin sot89 outline dimensions symbol dimensions in mil min. nom. max. a 173 181 b59 72 c90 102 d35 47 e 155 167 f14 19 g17 22 h 59 i55 63 j14 17 ht71xx-1 rev. 1.70 11 february 11, 2009 " % & '
5-pin sot23-5 outline dimensions symbol dimensions in mm min. nom. max. a 1.00 1.30 a1 0.10 a2 0.70 0.90 b 0.35 0.50 c 0.10 0.25 d 2.70 3.10 e 1.40 1.80 e 1.90 h 2.60 3.00 l 0.37 19 ht71xx-1 rev. 1.70 12 february 11, 2009 & % " ( " " #
product tape and reel specifications 3-pin to92 reel dimensions (unit: mm) ht71xx-1 rev. 1.70 13 february 11, 2009 ) * + , - . / + , - . / $ 0 * * $ 1 $
reel dimensions sot89 symbol description dimensions in mm a reel outer diameter 180.01.0 b reel inner diameter 62.01.5 c spindle hole diameter 12.75 +0.15/-0.00 d key slit width 1.900.15 t1 space between flange 12.4 +0.2/-0.00 t2 reel thickness 17.0 +0.0/-0.4 sot23-5 symbol description dimensions in mm a reel outer diameter 178.01.0 b reel inner diameter 62.01.0 c spindle hole diameter 13.00.2 d key slit width 2.500.25 t1 space between flange 8.4 +1.5/-0.0 t2 reel thickness 11.4 +1.5/-0.0 ht71xx-1 rev. 1.70 14 february 11, 2009 "
carrier tape dimensions to92 symbol description dimensions in mm i1 taped lead length (2.5) p component pitch 12.71.0 p 0 perforation pitch 12.70.3 p 2 component to perforation (length direction) 6.350.40 f 1 lead spread 2.5 +0.4/-0.1 f 2 lead spread 2.5 +0.4/-0.1 h component alignment 0.00.1 w carrier tape width 18.0 +1.0/-0.5 w 0 hold-down tape width 6.00.5 w 1 perforation position 9.00.5 w 2 hold-down tape position (0.5) h 0 lead clinch height 16.00.5 h 1 component height less than 24.7 d 0 perforation diameter 4.00.2 t taped lead thickness 0.70.2 h component base height 19.00.5 note: thickness less than 0.38 0.05mm~0.5mm p0 accumulated pitch tolerance: 1mm/20pitches. ( ) bracketed figures are for consultation only ht71xx-1 rev. 1.70 15 february 11, 2009 + + 2 2 2 2 + & & & 3
carrier tape dimensions sot89 symbol description dimensions in mm w carrier tape width 12.0 +0.3/-0.1 p cavity pitch 8.00.1 e perforation position 1.750.10 f cavity to perforation (width direction) 5.500.05 d perforation diameter 1.5 +0.1/-0.0 d1 cavity hole diameter 1.5 +0.1/-0.0 p0 perforation pitch 4.00.1 p1 cavity to perforation (length direction) 2.00.1 a0 cavity length 4.80.1 b0 cavity width 4.50.1 k0 cavity depth 1.80.1 t carrier tape thickness 0.3000.013 c cover tape width 9.30.1 sot23-5 symbol description dimensions in mm w carrier tape width 8.00.3 p cavity pitch 4.00.1 e perforation position 1.750.10 f cavity to perforation (width direction) 3.500.05 d perforation diameter 1.5 +0.1/-0.0 d1 cavity hole diameter 1.5 +0.1/-0.0 p0 perforation pitch 4.00.1 p1 cavity to perforation (length direction) 2.000.05 a0 cavity length 3.150.10 b0 cavity width 3.20.1 k0 cavity depth 1.40.1 t carrier tape thickness 0.200.03 c cover tape width 5.30.1 ht71xx-1 rev. 1.70 16 february 11, 2009 + 2 + + % 4 " 5
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ht71xx-1 rev. 1.70 17 february 11, 2009 copyright 2009 by holtek semiconductor inc. the information appearing in this data sheet is believed to be accurate at the time of publication. however, holtek as - sumes no responsibility arising from the use of the specifications described. the applications mentioned herein are used solely for the purpose of illustration and holtek makes no warranty or representation that such applications will be suitable without further modification, nor recommends the use of its products for application that may present a risk to human life due to malfunction or otherwise. holtek s products are not authorized for use as critical components in life support devices or systems. holtek reserves the right to alter its products without prior notification. for the most up-to-date information, please visit our web site at http://www.holtek.com.tw. holtek semiconductor inc. (headquarters) no.3, creation rd. ii, science park, hsinchu, taiwan tel: 886-3-563-1999 fax: 886-3-563-1189 http://www.holtek.com.tw holtek semiconductor inc. (taipei sales office) 4f-2, no. 3-2, yuanqu st., nankang software park, taipei 115, taiwan tel: 886-2-2655-7070 fax: 886-2-2655-7373 fax: 886-2-2655-7383 (international sales hotline) holtek semiconductor inc. (shanghai sales office) g room, 3 floor, no.1 building, no.2016 yi-shan road, minhang district, shanghai, china 201103 tel: 86-21-5422-4590 fax: 86-21-5422-4705 http://www.holtek.com.cn holtek semiconductor inc. (shenzhen sales office) 5f, unit a, productivity building, gaoxin m 2nd, middle zone of high-tech industrial park, shenzhen, china 518057 tel: 86-755-8616-9908, 86-755-8616-9308 fax: 86-755-8616-9722 holtek semiconductor inc. (beijing sales office) suite 1721, jinyu tower, a129 west xuan wu men street, xicheng district, beijing, china 100031 tel: 86-10-6641-0030, 86-10-6641-7751, 86-10-6641-7752 fax: 86-10-6641-0125 holtek semiconductor inc. (chengdu sales office) 709, building 3, champagne plaza, no.97 dongda street, chengdu, sichuan, china 610016 tel: 86-28-6653-6590 fax: 86-28-6653-6591 holtek semiconductor (usa), inc. (north america sales office) 46729 fremont blvd., fremont, ca 94538 tel: 1-510-252-9880 fax: 1-510-252-9885 http://www.holtek.com

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