View HT7233_7768172.PDF datasheet online --- IC-ON-LINE

Datasheet File OCR Text:

ht72xx series 300ma tinypower tm ldo selection table part no. output v oltage t olerance package marking ht7218 1.8v 2% sot23 sot23-5 sot89 to92 72xx# (for sot23) 72xx# (for sot23-5) ht72xx# (for sot89) ht72xx (for to92) ht7225 2.5v ht7227 2.7v ht7230 3.0v HT7233 3.3v ht7250 5.0v note: xx stands for output voltages. for lead free devices, t o92 package will add a # mark at the end of the date code, whereas sot89 & sot23, sot23-5 packages will add a # mark at the end of the marking. rev. 1.20 1 september 30, 2008 features output voltage ranges: fixed range of 1.8v, 2.5v, 2.7v, 3.0v, 3.3v, 5.0v type. highly accuracy: 2% low voltage drop: 240mv (typ.), v out =5.0v at 300ma maximum input voltage: 8v guaranteed output current: 300ma low quiescent current: 4 a (typ.) current limiting over-temperature shutdown sot23, sot23-5, sot89, to92 packages applications portable electronics wireless devices cordless phones pc peripherals battery powered devices electronic scales general description the ht72xx series of positive, linear regulators fea - tures low quiescent current (4 a typ.) with low dropout voltage, making them ideal for battery applications. the space-saving sot23 package is attractive for pocket and hand held applications. the devices are capable of supplying 300ma of output current continuously . they are available with several fixed output voltages ranging from 1.8v to 5.0v . although designed primarily as fixed voltage regulators, these devices can be used with external components to obtain variable voltages and currents. these rugged devices have thermal shutdown and current limiting to prevent device failure under the w orst of operating conditions. http://
block diagram pin assignment pin description pin no. pin name description sot23 sot23-5 sot89 t o92 3 ce chip enable pin, high enable 2533 vout output pin 3122 v i n input pin 1211 g n d ground pin 4 nc no connection absolute maximum ratings* maximum supply v oltage ............................ up to 8.5v storage t emperature ........................... 50 ct o1 2 5 c operating t emperature .......................... 40 ct o8 5 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 af fect device reliability . * absolute maximum ratings indicate limits beyond which damage to the device may occur . operating ratings in - dicate conditions for which the device is intended to be functional, but do not guarantee specific performance limits. the guaranteed specifications apply only for the test conditions listed. ht72xx series rev. 1.20 2 september 30, 2008

! " # " $ % ! " #
thermal information symbol parameter package max. unit ja thermal resistance (junction to ambient) (assume no ambient airflow, no heat sink) sot23 667 c/w sot23-5 500 c/w sot89 200 c/w to92 200 c/w p d power dissipation sot23 0.15 w sot23-5 0.20 w sot89 0.50 w to92 0.50 w note: p d is measured at t a= 25 c electrical characteristics t j =25 c, v in =v out +1.0v , i o =1ma, unless otherwise specified symbol parameter t est conditions min. t yp. max. unit v in input voltage 8v v out output voltage tolerance 2 2% i ss quiescent current i o =0ma, v ce =v in 47 a v load load regulation (note1) 1ma
i out
300ma 0.004 0.008 %/ma v drop dropout voltage (note2) v out =2% i out =300ma v o
1.8v 800 1200 mv 2.5v
v o
2.7v 350 400 3.0v
v o
5.0v 240 300 v line line regulation v out +1.0v
v in
8.0v 0.2 0.3 %/v i lim current limit (note3) v out =10% 300 ma v ih ce input high threshold v out +1v
v in
8v 2.0 v v il ce input low threshold v out +1v
v in
8v 0.8 v i sd shutdown current ce input voltage
0.8v 0.5 1 a temperature coefficient 40 c application circuits basic circuits typical application circuits high output current positive voltage regulator ht72xx series rev. 1.20 4 september 30, 2008 ! & %

! ' ( ( ) * + , - ) + . ! & %

! ' / ! & %

! ' / 0 1
increased output voltage circuit v=v(1+ r2 r1 )+ i r 2 out x x s s dual supply circuit v= v + v out1 xx2 xx1 v= v out2 xx2 tracking voltage regulator -v = v x r r oo u t b a ht72xx series rev. 1.20 5 september 30, 2008

! '

! ' ( 2 ( ( 3 3 3 3 ! & %

! ' ! & %
( ( - ! & %

! ' ( 3 3 ! ! (
package information 3-pin sot23 outline dimensions symbol dimensions in mm min. nom. max. a 1.0 1.3 a1 0.1 a2 0.7 0.9 b 0.35 0.5 c 0.10 0.25 d 2.7 3.1 e 1.4 1.8 e 1.9 h 2.6 3.0 l 0.37 1 9 ht72xx series rev. 1.20 6 september 30, 2008 1 4 0
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 2.6 3.0 l 0.37 1 9 ht72xx series rev. 1.20 7 september 30, 2008 1 4 0
3-pin sot89 outline dimensions symbol dimensions in mil min. nom. max. a 173 181 b5 9 72 c9 0 102 d3 5 47 e 155 167 f1 4 19 g1 7 22 h 59 i5 5 63 j1 4 17 ht72xx series rev. 1.20 8 september 30, 2008 1 5
3-pin to92 outline dimensions symbol dimensions in mil min. nom. max. a 170 200 b 170 200 c 500 d1 1 20 e9 0 110 f4 5 55 g4 5 65 h 130 160 i8 18 4 6 ht72xx series rev. 1.20 9 september 30, 2008 1
product tape and reel specifications reel dimensions sot23, sot23-5 symbol description dimensions in mm a reel outer diameter 178.0 1.0 b reel inner diameter 62.0 1.0 c spindle hole diameter 13.0 0.2 d key slit width 2.50 0.25 t1 space between flange 8.4 +1.5/-0.0 t2 reel thickness 11.4 +1.5/-0.0 sot89 symbol description dimensions in mm a reel outer diameter 180.0 1.0 b reel inner diameter 62.0 1.5 c spindle hole diameter 12.75 +0.15/-0.00 d key slit width 1.90 0.15 t1 space between flange 12.4 +0.2/-0.00 t2 reel thickness 17.0 +0.0/-0.4 ht72xx series rev. 1.20 10 september 30, 2008
3-pin to92 reel dimensions (unit: mm) ht72xx series rev. 1.20 11 september 30, 2008 6 7 $ 8 $ &
. % $ ! #
$ 8 $ &
. % $ ! # 2 9 ( 7 7 2 ( : 2
carrier tape dimensions sot23, sot23-5 symbol description dimensions in mm w carrier tape width 8.0 0.3 p cavity pitch 4.0 0.1 e perforation position 1.75 0.10 f cavity to perforation (width direction) 3.50 0.05 d perforation diameter 1.5 +0.1/-0.0 d1 cavity hole diameter 1.5 +0.1/-0.0 p0 perforation pitch 4.0 0.1 p1 cavity to perforation (length direction) 2.00 0.05 a0 cavity length 3.15 0.10 b0 cavity width 3.2 0.1 k0 cavity depth 1.4 0.1 t carrier tape thickness 0.20 0.03 c cover tape width 5.3 0.1 sot89 symbol description dimensions in mm w carrier tape width 12.0 +0.3/-0.1 p cavity pitch 8.0 0.1 e perforation position 1.75 0.10 f cavity to perforation (width direction) 5.50 0.05 d perforation diameter 1.5 +0.1/-0.0 d1 cavity hole diameter 1.5 +0.1/-0.0 p0 perforation pitch 4.0 0.1 p1 cavity to perforation (length direction) 2.0 0.1 a0 cavity length 4.8 0.1 b0 cavity width 4.5 0.1 k0 cavity depth 1.8 0.1 t carrier tape thickness 0.300 0.013 c cover tape width 9.3 0.1 ht72xx series rev. 1.20 12 september 30, 2008

3-pin to92 carrier tape dimensions t o92 symbol description dimensions in mm i1 taped lead length (2.5) p component pitch 12.7 1.0 p 0 perforation pitch 12.7 0.3 p 2 component to perforation (length direction) 6.35 0.40 f 1 lead spread 2.5 +0.4/-0.1 f 2 lead spread 2.5 +0.4/-0.1 h component alignment 0.0 0.1 w carrier tape width 18.0 +1.0/-0.5 w 0 hold-down tape width 6.0 0.5 w 1 perforation position 9.0 0.5 w 2 hold-down tape position (0.5) h 0 lead clinch height 16.0 0.5 h 1 component height less than 24.7 d 0 perforation diameter 4.0 0.2 t taped lead thickness 0.7 0.2 h component base height 19.0 0.5 note: thickness less than 0.38 0.05mm~0.5mm p0 accumulated pitch tolerance: 1mm/20pitches. ( ) bracketed figures are for consultation only ht72xx series rev. 1.20 13 september 30, 2008 ( ( ; ; ( ; ; 1 ( 1 1 " %
ht72xx series rev. 1.20 14 september 30, 2008 copyright 2008 by hol tek semiconduct or 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, t aiwan t el: 886-3-563-1999 fax: 886-3-563-1 189 http://www .holtek.com.tw holtek semiconductor inc. (t aipei sales office) 4f-2, no. 3-2, y uanqu st., nankang software park, t aipei 1 15, t aiwan t el: 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 y i-shan road, minhang district, shanghai, china 201 103 t el: 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-t ech industrial park, shenzhen, china 518057 t el: 86-755-8616-9908, 86-755-8616-9308 fax: 86-755-8616-9722 holtek semiconductor inc. (beijing sales office) suite 1721, jinyu t ower , a129 w est xuan w u men street, xicheng district, beijing, china 100031 t el: 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 t el: 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

▲Up To Search▲

Price & Availability of HT7233

	To Download HT7233 Datasheet File
If you can't view the Datasheet, Please click here to try to view without PDF Reader .