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HT75XX-2 100ma low power ldo selection table part no. output voltage package marking ht7521-2 2.1v to92 sot89 sot23-5 75xx-2 (for to92) 75xx-2 (for sot89) 75xx-2# (for sot89) 75xx-2+ (for sot89) 5xx2 (for sot23-5-a) 5xx2# (for sot23-5-a) 5xx2+ (for sot23-5-a) ht7523-2 2.3v ht7525-2 2.5v ht7527-2 2.7v ht7530-2 3.0v ht7533-2 3.3v ht7536-2 3.6v ht7540-2 4.0v ht7544-2 4.4v ht7550-2 5.0v ht7560-2 6.0v ht7570-2 7.0v ht7580-2 8.0v ht7590-2 9.0v ht75a0-2 10.0v ht75c0-2 12.0v ht7541-2 4.15v sot23-5 541b (for sot23-5-b) 541b+ (for sot23-5-b) note: xx stands for output voltages. both lead free and green compound devices are available. note the symbol marks below: # stands for lead free devices. blank and + stands for green compound devices, which are lead-free and halogen-free. for the to92 package, the symbol mark will be at the end of the date code. whereas for the sot89 and sot23-5, the symbol mask will be located at the end of ic marking. rev. 1.40 1 april 30, 2013 features low power consumption low voltage drop low temperature coefficient high input voltage (up to 24v) high output current : 100ma output voltage accuracy: tolerance 1% to92, sot89 and sot23-5 packages 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 2.1v to 12.0v. 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 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 HT75XX-2 rev. 1.40 2 april 30, 2013

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 =10mf t a=25c 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 2.1vv out 4.4v 70 100 ? ma v out =5.0v 100 150 ? ma 6.0vv out 12.0v 150 ? ? ma dv out load regulation 2.1vv out 3.6v 1mai out 50ma ? 10 45 mv 4.0vv out 4.4v 1mai out 50ma ? 13 65 mv 5.0vv out 12.0v 1mai out 70ma ? 17 80 mv v dif voltage drop (note) i out =10ma, dv out =2% 2.1vv out 2.4v ? 0.46 0.95 v 2.5vv out 2.7v 0.32 0.68 v 3.0vv out 3.3v 0.23 0.41 v v out =3.6v 0.19 0.35 v 4.0vv out 4.4v 0.16 0.30 v v out =5.0v 0.12 0.25 v 6.0vv out 12.0v 0.11 0.23 v i ss quiescent current no load ? 2.5 5.0 ma dv line line regulation v in =v out +1vv in 24v, i out =1ma ? 0.1 0.2 %/v temperature coefficient i out =10ma -40cHT75XX-2 rev. 1.40 3 april 30, 2013 d v d e t d t a
application circuits basic circuit high output current positive voltage regulator short-circuit protection for tr1 HT75XX-2 rev. 1.40 4 april 30, 2013

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. 1.40 5 april 30, 2013

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package information note that the package information provided here is for consultation purposes only. as this information may be updated at regular intervals users are reminded to consult the holtek website for the latest version of the package information. additional supplementary information with regard to packaging is listed below. click on the relevant section to be transferred to the relevant website page. further package information (include outline dimensions, product tape and reel specifications) packing meterials information carton information pb free products green packages products HT75XX-2 rev. 1.40 6 april 30, 2013
3-pin to92 outline dimensions symbol dimensions in inch min. nom. max. a 0.170 0.200 b 0.170 0.200 c 0.500 d 0.011 0.020 e 0.090 0.110 f 0.045 0.055 g 0.045 0.065 h 0.130 0.160 0 10 symbol dimensions in mm min. nom. max. a 4.32 5.08 b 4.32 5.08 c 12.70 d 0.28 0.51 e 2.29 2.79 f 1.14 1.40 g 1.14 1.65 h 3.30 4.06 0 10 HT75XX-2 rev. 1.40 7 april 30, 2013 # %
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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 i55 63 j14 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. 1.40 8 april 30, 2013 # % &
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5-pin sot23-5 outline dimensions symbol dimensions in inch min. nom. max. a 0.039 0.051 a1 0.004 a2 0.028 0.035 b 0.014 0.020 c 0.004 0.010 d 0.106 0.122 e 0.055 0.071 e 0.075 h 0.102 0.118 l 0.015 0 9 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 3.0 l 0.37 0 9 HT75XX-2 rev. 1.40 9 april 30, 2013 & % # ( # # $
HT75XX-2 rev. 1.40 10 april 30, 2013 copyright 2013 by holtek semiconductor inc. the information appearing in this data sheet is believed to be accurate at the time of publication. however, holtek assumes 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 modi - fication, 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 com - ponents 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.

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