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ht75xx-2 100ma low power ldo selection table part no. output voltage package marking ht7530-2 3.0v sot89 75xx-2# (for sot89) ht7533-2 3.3v ht7536-2 3.6v ht7540-2 4.0v HT7544-2 4.4v ht7550-2 5.0v note: xx stands for output voltages. # stands for lead free devices. rev. 1.00 1 october 6, 2010 features low power consumption low voltage drop low temperature coefficient high input voltage (up to 24v) high output current : 100ma (p d 250mw) output voltage accuracy: tolerance 1% sot89 package applications battery-powered equipment communication equipment audio/video equipment general description the ht75xx-2 series is a set of three-terminal low power high voltage implemented in cmos technology. they can deliver 100ma output current and allow an in - put voltage as high as 24v. they are available with sev - eral fixed output voltages ranging from 3.0v 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.
block diagram pin assignment absolute maximum ratings supply voltage .......................................... 0.3v to 26v storage temperature ............................ 50 cto125 c power consumption (*) .................................... 250mw 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. *: applied to sot89 ht75xx-2 rev. 1.00 2 october 6, 2010

pin descriptions pin no. pin name pin description 1 gnd ground pin 2 vin input pin 3 vout output pin electrical characteristics v in =v out +2v, c in =c o =10f ta=25 c symbol parameter test conditions min. typ. max. unit conditions v in input voltage 24 v v out output voltage tolerance i out =10ma -1% +1% v i out output current 3.0vv out 4.4v 70 100 ma v out
5.0v 100 150 ma v out load regulation 3.0vv out 3.6v 1mai out 50ma 10 45 mv 4.0vv out 5.0v 1mai out 50ma 13 65 mv v out =5.0v 1mai out 70ma 17 80 mv v dif voltage drop (note) i out =10ma, v out =2% 3.0vv out <3.6v 0.23 0.41 v v out
3.6v 0.19 0.35 v 4.0vv out <5.0v 0.16 0.30 v v out =5.0v 0.12 0.25 v i ss quiescent current no load 2.5 5.0 a v in line regulation v in =v out +1vv in 24v, i out =1ma 0.1 0.2 %/v temperature coefficient i out =10ma -40c application circuits basic circuit high output current positive voltage regulator short-circuit protection for tr1 ht75xx-2 rev. 1.00 4 october 6, 2010

circuit for increasing output voltage v=v(1+ r2 r1 )+i r2 out xx ss circuit for increasing output voltage v=v+v out xx d1 constant current regulator i= v r +i out xx a ss dual supply ht75xx-2 rev. 1.00 5 october 6, 2010

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package information 3-pin sot89 outline dimensions symbol dimensions in inch min. nom. max. a 0.173 0.181 b 0.059 0.072 c 0.090 0.102 d 0.035 0.047 e 0.155 0.167 f 0.014 0.019 g 0.017 0.022 h 0.059 i5 5 63 j1 4 17 symbol dimensions in mm min. nom. max. a 4.39 4.60 b 1.50 1.83 c 2.29 2.59 d 0.89 1.19 e 3.94 4.24 f 0.36 0.48 g 0.43 0.56 h 1.50 i 1.40 1.60 j 0.36 0.43 ht75xx-2 rev. 1.00 6 october 6, 2010 ! # $ % &
product tape and reel specifications reel dimensions sot89-3 symbol description dimensions in mm a reel outer diameter 1801 b reel inner diameter 621.5 c spindle hole diameter 12.75+0.15 d key slit width 1.90.15 t1 space between flange 12.4+0.2 t2 reel thickness 170.4 ht75xx-2 rev. 1.00 7 october 6, 2010 ! $
carrier tape dimensions sot89-3 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 d1 cavity hole diameter 1.5+0.1 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 9.3 ht75xx-2 rev. 1.00 8 october 6, 2010 ' ( ' ' # ) $ ! *
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ht75xx-2 rev. 1.00 9 october 6, 2010 copyright 2010 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. (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 (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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