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rev. 1.00 1 august, 9, 2011 rev. 1.00 pb august 17, 2011 ht75bxx high psrr 150ma ldo regulator features output voltage: 1.5v/1.8v/2.5v/2.8v/3.0v/3.3v/5v high output voltage accuracy: 2% low voltage drop: 330 mv(typ.) (v out = 2.5 v@i out =150ma) maximum input voltage: 7.0v guaranteed output current: 150ma low power consumption: 10 a (typ.) high ripple rejection: 70db (1khz@i out =30ma) power-saving shutdown mode current limiting sot23-5 and sot89 package applications portable communication equipment portable music player electrical appliances such as cameras, vcrs and camcorders battery-powered equipment general description the ht75bxx series are cmos-based voltage regulator devices with high output voltage accuracy, low quiescent current, low on-resistance, and high ripple rejection. each of the devices includes a voltage reference, error amplifer, resistor-network for voltage setting, current limit circuit, chip enable circuit and so on. the ht75bxxs current limiters' fold back circuit also operates as a short circuit protect function for the output current limiter. these devices offer the benefits of low dropout voltage as well as possessing a chip-enable function. additional features include an exceptionally low 10 a quiescent current in addition to excellent line and load transient response characteristics. with these features the devices will be appropriate for use in a wide range of application among which would include hand-held communication equipment. the space-saving sot23-5, sot89 package will be an attractive additional feature for p ocket and h and - h eld applications . selection table part no. output voltage tolerance package ht75b15 1.5v 2% sot23-5 sot89 ht75b18 1.8v ht75b25 2.5v ht75b28 2.8v ht75b30 3.0v HT75B33 3.3v ht75b50 5.0v
rev. 1.00 2 august, 9, 2011 ht75bxx block diagram gnd v out v ref short current shutdown v in ce absolute maximum ratings (note1) maximum input supply voltage...........................................................................................................................7.5v ambient temperature range ................................................................................................................ -40c ~ +85c thermal information symbol parameter package max. unit q ja thermal resistance (junction to ambient) (assume no ambient airfow, no heat sink) sot23-5 500 c/w sot89 200 c/w p d power dissipation sot23-5 0.20 w sot89 0.50 w note: p d is measured at ta= 25 c
rev. 1.00 3 august, 9, 2011 ht75bxx pin assignment ht75bxx v in v out gnd v in v out gnd sot89 ht75bxx sot23-5 pin descriptions pin no. symbol description 1 vin input pin 2 gnd ground pin 3 ce chip enable pin - high enable 4 nc no connection 5 vout output pin sot89 pin descriptions pin no. symbol description 1 gnd ground pin 2 vin input pin 3 vout output pin
rev. 1.00 4 august, 9, 2011 ht75bxx electrical characteristics ta=25 c , v in =v out +1v, i out =30ma, unless otherwise specifed (note2) symbol parameter test conditions min. typ. max. unit v in input voltage 1.5vv out 5v 2.5 7 v ?v ou t output voltage tolerance 1ma i out 30ma 1.5vv out 5.0v -2 +2 % ?v line line regulation v out +0.5vv in 7.0v, i out =10ma 0.02 0.1 %/v ?v load load regulation (note 3) 1ma i out 150ma 1.5vv out 1.8v 13 30 mv 2.5vv out 3.0v 14 35 v out 3.3v 15 40 v drop dropout voltage (note 4 ) ?v out =2% i out =150ma v out =1.5v 0.54 0.86 v v out =1.8v 0.44 0.65 2. 5 vv out 5.0v 0. 33 0.46 i short short current limit v out =0v 50 ma i ss supply current i out =0ma 10 20 a i sd shutdown current ce=gnd 0.1 1 a v ih ce input high threshold v out +1vv in 7v 1 7 v v il ce input low threshold v out +1vv in 7v 0 0.3 v r r ripple rejection i out =30ma f=1khz 70 db f=10khz 53 v noise output noise bandwidth=10hz to 100khz 30 vrms t c temperature coeffcient t c = out a out v tv ? ?? i out =30ma, -40c ta 85 c 100 ppm/ c note 1. absolute maximum ratings indicate limits beyond which damage to the device may occur. operating 5dwlqjvlqglfdwhfrqglwlrqviruklfkwkhghylfhlvlqwhqghgwrehixqfwlrqdoexwgrqrwjxdudqwhhvshflf shuirupdqfholplwv7khjxdudqwhhgvshflfdwlrqvdssorqoiruwkhwhvwfrqglwlrqvolvwhg 2. specifications are production tested at t a =room temperature. specifications over the -40c to 85c operating temperature range are assured by design, characterization and correlation with statistical quality controls (sqc). 3. load regulation is measured at constant junction temperature, using pulse testing with a short on time. the devices are guaranteed up to the maximum power dissipation. power dissipation is determined by the input/output differential voltage and the output current. guaranteed maximum power dissipation will not be available over the full input/output range. the maximum allowable power dissipation at any ambient temperature is p d =(t j(max) Ct a ja . 4. dropout voltage is the minimum input to output voltage differential needed to maintain regulation at a vshflhgrxwsxwfxuuhqw8qghugursrxwfrqglwlrqvwkhrxwsxwyrowdjhlooehhtxdowr 9 in C v drop .
rev. 1.00 5 august, 9, 2011 ht75bxx typical characteristics output voltage vs. input voltage ht75b15 input voltage (v) 01234567 output voltage (v) 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 1ma 30ma 150ma ??a doc. no. e rev. ?a page Y????w?????a?S??????Y???}?}uD??? the information contained herein is the exclusive property of holtek and shall not be distributed, reproduced, or disclosed in whole or in part without prior written permission of holtek. 7 typical characteristics 1. output voltage vs. input voltage ht75b25 input voltage (v) 01234567 output voltage (v) 0.0 0.5 1.0 1.5 2.0 2.5 3.0 1ma 30ma 150ma ht75b50 input voltage (v) 01234567 output voltage (v) 0 1 2 3 4 5 6 1ma 30ma 150ma ??a doc. no. e rev. ?a page Y????w?????a?S??????Y???}?}uD??? the information contained herein is the exclusive property of holtek and shall not be distributed, reproduced, or disclosed in whole or in part without prior written permission of holtek. 7 typical characteristics 1. output voltage vs. input voltage ht75b25 input voltage (v) 01234567 output voltage (v) 0.0 0.5 1.0 1.5 2.0 2.5 3.0 1ma 30ma 150ma ht75b50 input voltage (v) 01234567 output voltage (v) 0 1 2 3 4 5 6 1ma 30ma 150ma output voltage vs. temperature ??a doc. no. e rev. ?a page Y????w?????a?S??????Y???}?}uD??? the information contained herein is the exclusive property of holtek and shall not be distributed, reproduced, or disclosed in whole or in part without prior written permission of holtek. 8 ht75b50 input voltage (v) 01234567 output voltage (v) 0 1 2 3 4 5 6 1ma 30ma 150ma 2. output voltage vs. temperature ht75b15 temperature ( o c) -50 -25 0 25 50 75 100 output voltage (v) 1.40 1.42 1.44 1.46 1.48 1.50 1.52 1.54 1.56 1.58 1.60 i out =30ma ??a doc. no. e rev. ?a page Y????w?????a?S??????Y???}?}uD??? the information contained herein is the exclusive property of holtek and shall not be distributed, reproduced, or disclosed in whole or in part without prior written permission of holtek. 9 ht75b25 temperature ( o c) -50 -25 0 25 50 75 100 output voltage (v) 2.40 2.42 2.44 2.46 2.48 2.50 2.52 2.54 2.56 2.58 2.60 i out =30ma ht75b50 temperature ( o c) -50 -25 0 25 50 75 100 output voltage (v) 4.90 4.92 4.94 4.96 4.98 5.00 5.02 5.04 5.06 5.08 5.10 i out =30ma ??a doc. no. e rev. ?a page Y????w?????a?S??????Y???}?}uD??? the information contained herein is the exclusive property of holtek and shall not be distributed, reproduced, or disclosed in whole or in part without prior written permission of holtek. 9 ht75b50 temperature ( o c) -50 -25 0 25 50 75 100 output voltage (v) 4.90 4.92 4.94 4.96 4.98 5.00 5.02 5.04 5.06 5.08 5.10 i out =30ma
rev. 1.00 6 august, 9, 2011 ht75bxx supply current vs. temperature ??a doc. no. e rev. ?a page Y????w?????a?S??????Y???}?}uD??? the information contained herein is the exclusive property of holtek and shall not be distributed, reproduced, or disclosed in whole or in part without prior written permission of holtek. 10 3. supply current vs. temperature ht75b15 temperature ( o c) -50 -25 0 25 50 75 100 supply current (ua) 0 2 4 6 8 10 12 14 16 18 20 v in =2.5v ht75b25 temperature ( o c) -50 -25 0 25 50 75 100 supply current (ua) 0 2 4 6 8 10 12 14 16 18 20 v in =3.5v ??a doc. no. e rev. ?a page Y????w?????a?S??????Y???}?}uD??? the information contained herein is the exclusive property of holtek and shall not be distributed, reproduced, or disclosed in whole or in part without prior written permission of holtek. 10 3. supply current vs. temperature ht75b15 temperature ( o c) -50 -25 0 25 50 75 100 supply current (ua) 0 2 4 6 8 10 12 14 16 18 20 v in =2.5v ht75b25 temperature ( o c) -50 -25 0 25 50 75 100 supply current (ua) 0 2 4 6 8 10 12 14 16 18 20 v in =3.5v ??a doc. no. e rev. ?a page Y????w?????a?S??????Y???}?}uD??? the information contained herein is the exclusive property of holtek and shall not be distributed, reproduced, or disclosed in whole or in part without prior written permission of holtek. 11 ht75b50 temperature ( o c) -50 -25 0 25 50 75 100 supply current (ua) 0 2 4 6 8 10 12 14 16 18 20 v in =6.0v dropout voltage vs. output current ??a doc. no. e rev. ?a page Y????w?????a?S??????Y???}?}uD??? the information contained herein is the exclusive property of holtek and shall not be distributed, reproduced, or disclosed in whole or in part without prior written permission of holtek. 12 4. dropout voltage vs. output current ht75b15 output current(ma) 0 50 100 150 dropout voltage (v) 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 85 o c 25 o c -40 o c ht75b25 output current(ma) 0 50 100 150 dropout voltage (v) 0.00 0.05 0.10 0.15 0.20 0.25 0.30 0.35 0.40 85 o c 25 o c -40 o c ??a doc. no. e rev. ?a page Y????w?????a?S??????Y???}?}uD??? the information contained herein is the exclusive property of holtek and shall not be distributed, reproduced, or disclosed in whole or in part without prior written permission of holtek. 12 4. dropout voltage vs. output current ht75b15 output current(ma) 0 50 100 150 dropout voltage (v) 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 85 o c 25 o c -40 o c ht75b25 output current(ma) 0 50 100 150 dropout voltage (v) 0.00 0.05 0.10 0.15 0.20 0.25 0.30 0.35 0.40 85 o c 25 o c -40 o c ??a doc. no. e rev. ?a page Y????w?????a?S??????Y???}?}uD??? the information contained herein is the exclusive property of holtek and shall not be distributed, reproduced, or disclosed in whole or in part without prior written permission of holtek. 13 ht75b50 output current(ma) 0 50 100 150 dropout voltage (v) 0.00 0.05 0.10 0.15 0.20 0.25 0.30 85 o c 25 o c -40 o c
rev. 1.00 7 august, 9, 2011 ht75bxx supply current vs. input voltage ??a doc. no. e rev. ?a page Y????w?????a?S??????Y???}?}uD??? the information contained herein is the exclusive property of holtek and shall not be distributed, reproduced, or disclosed in whole or in part without prior written permission of holtek. 14 5. supply current vs. input voltage ht75b15 input voltage (v) 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5 7.0 supply current (ua) 0 2 4 6 8 10 12 14 ht75b50 input voltage (v) 6.00 6.25 6.50 6.75 7.00 supply current (ua) 0 2 4 6 8 10 12 14 ??a doc. no. e rev. ?a page Y????w?????a?S??????Y???}?}uD??? the information contained herein is the exclusive property of holtek and shall not be distributed, reproduced, or disclosed in whole or in part without prior written permission of holtek. 14 5. supply current vs. input voltage ht75b15 input voltage (v) 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5 7.0 supply current (ua) 0 2 4 6 8 10 12 14 ht75b50 input voltage (v) 6.00 6.25 6.50 6.75 7.00 supply current (ua) 0 2 4 6 8 10 12 14 ripple rejection vs. frequency ??a doc. no. e rev. ?a page Y????w?????a?S??????Y???}?}uD??? the information contained herein is the exclusive property of holtek and shall not be distributed, reproduced, or disclosed in whole or in part without prior written permission of holtek. 15 6. ripple rejection vs. frequency ht75bxx (150ma) v out =1.5v v in = 2.5v (i out =30 50 100ma) ht75b15 v out =1.5v, v in =2.5v, i out =30 , 50 , 100ma load transient response ??a doc. no. e rev. ?a page Y????w?????a?S??????Y???}?}uD??? the information contained herein is the exclusive property of holtek and shall not be distributed, reproduced, or disclosed in whole or in part without prior written permission of holtek. 16 7. load transient response ht75b15 v in =2.5v c in =c out =1uf ch1= v out(ac) ch2= i out ht75b15 v in =2.5v, c in =c out =1 f, ch1=v out(ac) ; ch2=i out ??a doc. no. e rev. ?a page Y????w?????a?S??????Y???}?}uD??? the information contained herein is the exclusive property of holtek and shall not be distributed, reproduced, or disclosed in whole or in part without prior written permission of holtek. 17 ht75b15 v in =2.5v c in =c out =1uf ch1=v out(ac) ch2= i out ht75b15 v in =2.5v, c in =c out =1 f, ch1=v out(ac) ; ch2=i out ??a doc. no. e rev. ?a page Y????w?????a?S??????Y???}?}uD??? the information contained herein is the exclusive property of holtek and shall not be distributed, reproduced, or disclosed in whole or in part without prior written permission of holtek. 18 ht75b25 v in =3.5v c in =c out =1uf ch1=v out(ac) ch2= i out ht75b25 v in =3.5v, c in =c out =1 f, ch1=v out(ac) ; ch2=i out
rev. 1.00 8 august, 9, 2011 ht75bxx ??a doc. no. e rev. ?a page Y????w?????a?S??????Y???}?}uD??? the information contained herein is the exclusive property of holtek and shall not be distributed, reproduced, or disclosed in whole or in part without prior written permission of holtek. 19 ht75b25 v in =3.5v c in =c out =1uf ch1=v out(ac) ch2= i out ht75b25 v in =3.5v, c in =c out =1 f, ch1=v out(ac) ; ch2=i out ??a doc. no. e rev. ?a page Y????w?????a?S??????Y???}?}uD??? the information contained herein is the exclusive property of holtek and shall not be distributed, reproduced, or disclosed in whole or in part without prior written permission of holtek. 20 ht75b50 v in =6.0v c in =c out =1uf ch1=v out(ac) ch2= i out ht75b50 v in =6.0v, c in =c out =1 f, ch1=v out(ac) ; ch2=i out ??a doc. no. e rev. ?a page Y????w?????a?S??????Y???}?}uD??? the information contained herein is the exclusive property of holtek and shall not be distributed, reproduced, or disclosed in whole or in part without prior written permission of holtek. 21 ht75b50 v in =6.0v c in =c out =1uf ch1=v out(ac) ch2= i out ht75b50 v in =6.0v, c in =c out =1 f, ch1=v out(ac) ; ch2=i out input transient response ??a doc. no. e rev. ?a page Y????w?????a?S??????Y???}?}uD??? the information contained herein is the exclusive property of holtek and shall not be distributed, reproduced, or disclosed in whole or in part without prior written permission of holtek. 22 8. input transient response ht75b15 c in =0uf c out =1uf ch1=v out(ac) ch2=v in ht75b15 c in =0 f, c out =1 f, ch1=v out(ac) ; ch2=v in ??a doc. no. e rev. ?a page Y????w?????a?S??????Y???}?}uD??? the information contained herein is the exclusive property of holtek and shall not be distributed, reproduced, or disclosed in whole or in part without prior written permission of holtek. 23 ht75b25 c in =0uf c out =1uf ch1=v out(ac) ch2=v in ht75b25 c in =0 f, c out =1 f, ch1=v out(ac) ; ch2=v in ??a doc. no. e rev. ?a page Y????w?????a?S??????Y???}?}uD??? the information contained herein is the exclusive property of holtek and shall not be distributed, reproduced, or disclosed in whole or in part without prior written permission of holtek. 24 ht75b50 c in =0uf c out =1uf ch1=v out(ac) ch2=v in ht75b50 c in =0 f, c out =1 f, ch1=v out(ac) ; ch2=v in
rev. 1.00 9 august, 9, 2011 ht75bxx turn-on/off speed with ce pin ??a doc. no. e rev. ?a page Y????w?????a?S??????Y???}?}uD??? the information contained herein is the exclusive property of holtek and shall not be distributed, reproduced, or disclosed in whole or in part without prior written permission of holtek. 25 9. turn-on/off speed with ce pin i out =30ma ht75b50 v in =6.0v (c in = c out =1uf) ch1=v en ch2= v out ht75b50 v in =6.0v, c in =c out =1 f, ch1=v ce ; ch2=v out ??a doc. no. e rev. ?a page Y????w?????a?S??????Y???}?}uD??? the information contained herein is the exclusive property of holtek and shall not be distributed, reproduced, or disclosed in whole or in part without prior written permission of holtek. 26 i out =30ma ht75b50 v in =6.0v (c in = c out =1uf) ch1=v en ch2= v out ht75b50 v in =6.0v, c in =c out =1 f, ch1=v ce ; ch2=v out
rev. 1.00 10 august, 9, 2011 ht75bxx application circuit c out 1uf v in v out gnd gnd c in 1uf gnd v out v in ht75bxx series c out 1uf v in v out gnd gnd c in 1uf gnd v out v in ht75bxx series ce enable
rev. 1.00 11 august, 9, 2011 ht75bxx 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 (http://www.holtek.com.tw/english/ literature/package.pdf) for the latest version of the package information. 5-pin sot23-5 outline dimensions symbol dimensions in inch min. nom. max. a 0.039 D 0.051 a1 D D 0.004 a2 0.028 D 0.035 b 0.014 D 0.020 c 0.004 D 0.010 d 0.106 D 0.122 e 0.055 D 0.071 e D 0.075 D h 0.102 D 0.118 l 0.015 D D 0 D 9 symbol dimensions in mm min. nom. max. a 1.00 D 1.30 a1 D D 0.10 a2 0.70 D 0.90 b 0.35 D 0.50 c 0.10 D 0.25 d 2.70 D 3.10 e 1.40 D 1.80 e D 1.90 D h 2.60 D 3.0 l 0.37 D D 0 D 9
rev. 1.00 12 august, 9, 2011 ht75bxx 3-pin sot89 outline dimensions symbol dimensions in inch min. nom. max. a 0.173 D 0.181 b 0.059 D 0.072 c 0.090 D 0.102 d 0.035 D 0.047 e 0.155 D 0.167 f 0.014 D 0.019 g 0.017 D 0.022 h D 0.059 D i 55 D 63 j 14 D 17 symbol dimensions in mm min. nom. max. a 4.39 D 4.60 b 1.50 D 1.83 c 2.29 D 2.59 d 0.89 D 1.19 e 3.94 D 4.24 f 0.36 D 0.48 g 0.43 D 0.56 h D 1.50 D i 1.40 D 1.60 j 0.36 D 0.43
rev. 1.00 13 august, 9, 2011 ht75bxx reel dimensions 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 flang 8.4 +1.5/-0.0 t2 reel thickness 11.4 +1.5/-0.0 sot89-3 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 1.90.15 t1 space between flang 12.4 +0.2/-0.0 t2 reel thickness 17.0 +0.0/-0.4
rev. 1.00 14 august, 9, 2011 ht75bxx carrier tape dimensions
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 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 9.30.1
rev. 1.00 15 august, 9, 2011 ht75bxx 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 offce) 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 offce) 5f, unit a, productivity building, no.5 gaoxin m 2nd road, nanshan district, shenzhen, china 518057 tel: 86-755-8616-9908, 86-755-8616-9308 fax: 86-755-8616-9722 holtek semiconductor (usa), inc. (north america sales offce) 46729 fremont blvd., fremont, ca 94538, usa tel: 1-510-252-9880 fax: 1-510-252-9885 http://www.holtek.com copyright ? 2011 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 modifcation, 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 notifcation. for the most up-to-date information, please visit our web site at http://www.holtek.com.tw .

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