View UM1750S-37_8679943.PDF datasheet online --- IC-ON-LINE

Datasheet File OCR Text:

________________________________________________________________________ http://www.union - ic.com rev.0 2 dec .20 14 1 / 18 um1650 u m1750 35 0 ma, micropower , very low dropout linear regulator um165 0 s - xx sot23 - 3 u m 17 5 0 s - xx sot23 - 5 um1750y - xx sot89 - 5 um1750da - xx dfn6 2.02.0 general description the um 165 0 /um 175 0 series are very low dropout linear regulator s designed for low power portable applications. typical output noise is only 195 v rms and maximum dropout is just 11 0mv (typ) at the load current of 150ma. the internal p - channel mosfet pass transistor requires no base current, allowing the device to draw only 19 0 a during normal operation at the maximum load current of 3 5 0ma. with a shu tdown control pin, the um175 0 consume s less than 1 a current in shutdown mode. other features include high output voltage accuracy, excellent transient response, under voltage lockout, stab i lity with ultralow esr ceramic capacitors as small as 1 f, short - c ircuit and thermal overload protection and output current limiting. the um165 0 series are available in a low profile sot23 - 3 package. the um175 0 series are ava ilable in low profile sot23 - 5 , sot89 - 5 and dfn6 2.02.0 package s . applications features ? blu etooth/802.11 cards ? pdas and notebook computers ? portable instruments and battery - powered systems ? cellular phones ? very low dropout: 15 0mv (max) at 150ma ? maximum input voltage : 6.0 v ? 2% voltage accuracy at v out >1.5v 30mv voltage accuracy at v out 1.5v ? fast transient response ? under voltage lockout ? f ixed o utput v oltage of um1650s - xx and um1750s/y/da - xx from 1. 0 v to 4 .0v with 0.1v i nterval ? adjustable o utput v oltage of um1750 s / y/ da - 00 from 1.0v to 5 .0v ? output current limit ? stable with 1 f output capa citor ? sho rt - circuit and thermal overload protection ? low profile sot23 - 3 , sot23 - 5 , sot89 - 5 and dfn6 2.02.0 package s
________________________________________________________________________ http://www.union - ic.com rev.0 2 dec .20 14 2 / 18 um1650 u m1750 pin configurations top view m: month code um165 0 s - xx sot23 - 3 m: month code um1750s - xx sot23 - 5 m: month code um1750s - 00 sot23 - 5 xx : w eek code um1750y - xx sot89 - 5 g n d 1 o u t 2 3 i n 3 1 2 6 x x m m a r k i n g p i n 1 i n 1 g n d 2 s h d n 3 4 n c 5 o u t 1 2 3 4 5 5 x x m i n 1 g n d 2 s h d n 3 4 f b 5 o u t 1 2 3 4 5 5 c t m 1 2 3 4 5 n c g n d s h d n i n o u t g n d 1 2 3 4 5 1 7 5 0 - x x x x
________________________________________________________________________ http://www.union - ic.com rev.0 2 dec .20 14 3 / 18 um1650 u m1750 pin configurations (continued) top view xx : week code um1750y - 00 sot89 - 5 (top view) m: month code um1750da - xx dfn 6 2 .0 2 .0 (top view) m: month code um1750da - 00 dfn 6 2 .0 2 .0 pin description um165 0 s - xx pin number um175 0 s - xx (fixed v out ) pin number um1750 s - 0 0 (adjustable v out ) pin numbe r symbol function 3 1 1 in power supply 1 2 2 gnd ground - 3 3 shdn ___________ shutdown input: high=active ldo, low=shutdown ldo - 4 - nc not connected 2 5 5 out voltage regulated output - - 4 fb output voltage feedback 1 2 3 4 5 f b g n d s h d n i n o u t g n d 1 2 3 4 5 1 7 5 0 - 0 0 x x 1 s h d n g n d i n o u t n c n c b x x m m a r k i n g p i n 1 1 s h d n g n d i n o u t n c f b b f j m m a r k i n g p i n 1
________________________________________________________________________ http://www.union - ic.com rev.0 2 dec .20 14 4 / 18 um1650 u m1750 pin description (continued) um1750y - xx (fixed v out ) pin number um1750y - 00 (adjustable v out ) pin number um1750da - xx (fixed v out ) pin number um1750da - 00 (adjustable v out ) pin number symbol function 4 4 3 3 in power sup ply 2 2 2 2 gnd ground 3 3 1 1 shdn ___________ shutdown input: high=active ldo, low=shutdown ldo 1 - 5,6 5 nc not connected 5 5 4 4 out voltage regulated output - 1 - 6 fb output voltage feedback naming information u m 1 6 5 0 / 1 7 5 0 0 0 : a d j u s t a b l e o u t p u t v o l t a g e f i x e d o u t p u t v o l t a g e 1 0 : 1 . 0 v 1 1 : 1 . 1 v 1 2 : 1 . 2 v 4 0 : 4 . 0 v p a c k a g e t y p e s : s o t 2 3 - 3 ( u m 1 6 5 0 ) s o t 2 3 - 5 ( u m 1 7 5 0 ) y : s o t 8 9 - 5 d a : d f n 6 2 . 0 2 . 0 -
________________________________________________________________________ http://www.union - ic.com rev.0 2 dec .20 14 5 / 18 um1650 u m1750 o rdering information part number output voltage packaging type marking code s hipping qty um1650s - 10 1.0v sot23 - 3 6aa 3000 pcs/ 7 i nch tape & reel um1650s - 11 1.1v 6ab um1650s - 12 1.2v 6a2 u m1650s - 13 1.3v 6a3 um1650s - 14 1.4v 6a4 um1650s - 15 1.5v 6a5 um1650s - 16 1.6v 6a6 um1650s - 17 1.7v 6a7 um1650s - 18 1.8v 6a8 um1650s - 19 1.9v 6a9 um1650s - 20 2.0v 6ba um1650s - 21 2.1v 6bb um1650s - 22 2.2v 6b2 um1650s - 23 2.3v 6b3 um16 50s - 24 2.4v 6b4 um1650s - 25 2.5v 6b5 um1650s - 26 2.6v 6b6 um1650s - 27 2.7v 6b7 um1650s - 28 2.8v 6b8 um1650s - 29 2.9v 6b9 um1650s - 30 3.0v 6ca um1650s - 31 3.1v 6cb um1650s - 32 3.2v 6c2 um1650s - 33 3.3v 6c3 um1650s - 34 3.4v 6c4 um1650s - 35 3.5v 6c5 um1650s - 36 3.6v 6c6 um1650s - 37 3.7v 6c7 um1650s - 38 3.8v 6c8 um1650s - 39 3.9v 6c9 um1650s - 40 4.0v 6cc
________________________________________________________________________ http://www.union - ic.com rev.0 2 dec .20 14 6 / 18 um1650 u m1750 o rdering information (continued) part number output voltage packaging type marking code s hipping qty um1750s - 00 adj sot23 - 5 5ct 3000 pcs/ 7 i nch tape & reel um1750s - 10 1.0v 5ja um1750s - 11 1.1v 5jb um1750s - 12 1.2v 5j2 um1750s - 13 1.3v 5j3 um1750s - 14 1.4v 5j4 um1750s - 15 1.5v 5j5 um1750s - 16 1.6v 5j6 um1750s - 17 1.7v 5j7 um1750s - 18 1.8v 5j8 um1750s - 19 1.9v 5j9 um1750s - 20 2.0v 5na um1750s - 21 2.1v 5nb um1750s - 22 2.2v 5n2 um1750s - 23 2.3v 5n3 um1750s - 24 2.4v 5n4 um1750s - 25 2.5v 5n5 um1750s - 26 2.6v 5n6 um1750s - 27 2.7v 5n7 um1750s - 28 2.8v 5n8 um1750s - 29 2.9v 5n9 um1750s - 30 3.0v 5 pa um1750s - 31 3.1v 5pb um1750s - 32 3.2v 5 hp um1750s - 33 3.3v 5 cu um1750s - 34 3.4v 5p4 um1750s - 35 3.5v 5p5 um1750s - 36 3.6v 5p6 um1750s - 37 3.7v 5p7 um1750s - 38 3.8v 5p8 um1750s - 39 3.9v 5p9 um1750s - 40 4.0v 5pc
________________________________________________________________________ http://www.union - ic.com rev.0 2 dec .20 14 7 / 18 um1650 u m1750 o rdering informatio n (continued) part number output voltage packaging type marking code s hipping qty um1750y - 00 adj sot89 - 5 1750 - 00 1 000 pcs/ 7 i nch tape & reel um1750y - 10 1.0v 1750 - 10 um1750y - 11 1.1v 1750 - 11 um1750y - 12 1.2v 1750 - 12 um1750y - 13 1.3v 1750 - 13 um1750 y - 14 1.4v 1750 - 14 um1750y - 15 1.5v 1750 - 15 um1750y - 16 1.6v 1750 - 16 um1750y - 17 1.7v 1750 - 17 um1750y - 18 1.8v 1750 - 18 um1750y - 19 1.9v 1750 - 19 um1750y - 20 2.0v 1750 - 20 um1750y - 21 2.1v 1750 - 21 um1750y - 22 2.2v 1750 - 22 um1750y - 23 2.3v 17 50 - 23 um1750y - 24 2.4v 1750 - 24 um1750y - 25 2.5v 1750 - 25 um1750y - 26 2.6v 1750 - 26 um1750y - 27 2.7v 1750 - 27 um1750y - 28 2.8v 1750 - 28 um1750y - 29 2.9v 1750 - 29 um1750y - 30 3.0v 1750 - 30 um1750y - 31 3.1v 1750 - 31 um1750y - 32 3.2v 1750 - 32 um175 0y - 33 3.3v 1750 - 33 um1750y - 34 3.4v 1750 - 34 um1750y - 35 3.5v 1750 - 35 um1750y - 36 3.6v 1750 - 36 um1750y - 37 3.7v 1750 - 37 um1750y - 38 3.8v 1750 - 38 um1750y - 39 3.9v 1750 - 39 um1750y - 40 4.0v 1750 - 40
________________________________________________________________________ http://www.union - ic.com rev.0 2 dec .20 14 8 / 18 um1650 u m1750 o rdering information (continued) part numbe r output voltage packaging type marking code s hipping qty um1750da - 00 adj dfn6 2.02.0 bfj 3000 pcs/ 7 i nch tape & reel um1750da - 10 1.0v bfe um1750da - 11 1.1v bff um1750da - 12 1.2v bh2 um1750da - 13 1.3v bh3 um1750da - 14 1.4v bh4 um1750da - 15 1.5v bh5 um1750da - 16 1.6v bh6 um1750da - 17 1.7v bh7 um1750da - 18 1.8v bh8 um1750da - 19 1.9v bh9 um1750da - 20 2.0v bha um1750da - 21 2.1v bhb um1750da - 22 2.2v bj2 um1750da - 23 2.3v bj3 um1750da - 24 2.4v bj4 um1750da - 25 2.5v bj5 um1750da - 26 2.6v bj6 um1750da - 27 2.7v bj7 um1750da - 28 2.8v bj8 um1750da - 29 2.9v bj9 um1750da - 30 3.0v bja um1750da - 31 3.1v bjb um1750da - 32 3.2v bk2 um1750da - 33 3.3v bk3 um1750da - 34 3.4v bk4 um1750da - 35 3.5v bk5 um1750da - 36 3.6v bk6 u m1750da - 37 3.7v bk7 um1750da - 38 3.8v bk8 um1750da - 39 3.9v bk9 um1750da - 40 4.0v bka
________________________________________________________________________ http://www.union - ic.com rev.0 2 dec .20 14 9 / 18 um1650 u m1750 absolute maximum ratings (note 1) s ymbol p arameter v alue u nit v in supply voltage on in pin - 0.3 to + 7.5 v v shdn ___________ voltage on shdn ___________ pin - 0.3 to + 7.5 v v fb voltage on fb pin - 0.3 to +7.5 v v out voltage on out pin - 0.3 to +7.5 v output short - circuit duration indef inite ja junction thermal resistance (note 2) sot23 - 3 +225 c /w sot23 - 5 +215 sot89 - 5 + 66 dfn6 2.02.0 + 110 t j operating junction temperature (notes 3, 4) - 40 to +125 c t stg storage temperature range - 6 5 to + 150 c t l lead temperature for solderi ng 10 seconds +300 c note 1: absolute maximum ratings are tho se values beyond which the life of a device may be impaired. not e 2: the maximum allowable power dissipation of any t a (ambient temperature) is p d(max) = (t j(max) C t a )/ ja . exceeding the maximum allowable power dissipation will result in excessive die temperature, and the regulator will go into thermal shutdown. note 3: the um1 6 5 0 /um175 0 is tested and specified under pul se load conditions such that t j t a . specifications over the C 40 to 125 op erating junction temperature range are assured by design, characterization and correlation with statistical process controls. no te 4 : this ic includes overtemperature protection that is intended to prot ect the device during momentary o verload conditions. j unct ion temperature will exceed 125 when overtemperature protection is active. continuous operation above the specified maximum operating junction temperature may impair device reliability.
________________________________________________________________________ http://www.union - ic.com rev.0 2 dec .20 14 10 / 18 um1650 u m1750 electrical characteristics v shdn ____________ = v in = v out + 1v; c in = c out = 1.0f; t a = 25c , unless noted. symbol parameter test c onditions m in t yp m ax u nit v in input voltage range 2.5 6.0 v v uvlo input under voltage lockout v in falling 1. 8 2. 4 v i q op erating quiescent current v in =4.3v, i out =0ma 90 130 a v in =4.3v, i out =3 5 0ma 190 300 i shdn ___________ shutdown leakage current 1 a i out output current 3 5 0 ma v fb feedback refe rence voltage v in =2.5v to 6.0v 0.98 1.0 0 1.02 v output voltage accuracy 0 mai out 3 5 0ma v out >1.5v - 2 +2 % v out 1.5v - 30 +30 mv v do (note 5) dropout voltage i out =150ma 110 150 mv i limt output current limit v in 2.5v 350 ma t startup time respons e r l =68, c out =1f 44 s v il shdn ___________ input low voltage v in =6.0v 0.4 v v ih shdn ___________ input high voltage v in =6 .0v 2.0 v shdn ___________ input current shdn ___________ =v in or gnd - 1 +1 a t shdn thermal - shutdown temperature 160 t shdn thermal - shutdown hysteresis 20 line regulation v out +1vv in v out +2v, v in 2.5v i out =10ma 0.09 %/v load regulation v in =v out +1v, v in 2.5v 1mai out 150ma 0.2 % output voltage noise 10hz to 100khz c in =1f, v out =3.3v i out =150ma 195 v rms p srr power supply ripple rejection v in =v out +1v i out =100ma f =100hz 63 db f =1 k hz 55 f =10 k hz 40 note 5 : v do just define d for device with v out 2.5v.
________________________________________________________________________ http://www.union - ic.com rev.0 2 dec .20 14 11 / 18 um1650 u m1750 t ypical application circuit figure 1 . um165 0 s - xx typical appli cation circuit figure 2 . um175 0 s - xx /um1750y - xx/um1750da - xx (fixed v out ) typical application circuit figure 3 . um175 0 s - 00 /um1750y - 00/um1750da - 00 (adjustable v out ) typical application circuit : um1750 s - 0 0 /um1750y - 00/um1750da - 00 output voltage setting the output voltage of the um1750 adjustable regulator is programmed using an external resistor divider as shown in figure 3. the output voltage is calculated using: where: v fb = 1.00 v (typ) (the internal reference voltage) resistors r1 and r2 should be chosen for approximately 3 - 5a divider current. lower value resistors can be used but offer no inherent advantage and waste more power. higher values should be avoided, as leakag e currents at fb increase the output voltage error. the recommended design procedure is to choose r2 = 200 k to set the divider current at 5 a and then calculate r1 using: where: v fb = 1.00v (typ). v i n v o u t g n d c i n 1 f v i n c o u t 1 f v o u t v i n v o u t s h d n g n d c i n 1 f v i n c h i p e n a b l e c o u t 1 f v o u t v i n v o u t s h d n g n d f b c i n 1 f v i n c h i p e n a b l e c o u t 1 f v o u t r 1 r 2 ? ? ? ? ? ? ? ? 2 1 1 r r v v fb o 2 1 1 r v v r fb o ? ? ? ? ? ? ? ? ? ? ?
________________________________________________________________________ http://www.union - ic.com rev.0 2 dec .20 14 12 / 18 um1650 u m1750 typical performance characteristi cs ( shown for 3.3 v output option) vin=4.3v v in =4.3v, io =0ma io= 0 ma io= 350 ma vin=4.3v v in =4.3v, io = 1 0ma quiescent current vs input voltage quiescent current vs temperature gnd current vs output current output voltage vs input voltage output voltage vs output current outp ut voltage vs temperature
________________________________________________________________________ http://www.union - ic.com rev.0 2 dec .20 14 13 / 18 um1650 u m1750 typical performance characteristics ( continued ) (shown for 3.3 v output option) io=10ma io=100ma um175 0s - 33, vin=4.3v, io=150ma, cin=cout=1f 5 00v/div 195 vrms 20ms /div noise f=10hz to 100khz um1750s - 33, vin=4.3v, io=20ma to 200ma 1 00 ma /div 1 00 mv /div 100 s /div iout vout load transient response um1750s - 33, vin=4.3v to 5.3v, io=100ma 1v /div 10 0 mv /div 100 s /div vin vout line transient response um1750s - 33, vin= 4.3 v, r l = 33 2v /div 1v /div 10 s /div start up waveform ven v out dropout voltage vs output current psrr vs frequency
________________________________________________________________________ http://www.union - ic.com rev.0 2 dec .20 14 14 / 18 um1650 u m1750 package in formation um165 0 s - xx : sot23 - 3 outline drawing dimensions symbol millimeters inches min max min max a 1.050 1.250 0.041 0.049 a1 0.000 0.100 0.000 0.004 a2 1.050 1.150 0.041 0.045 b 0.300 0.500 0.012 0.020 c 0.100 0.200 0.004 0.008 d 2.820 3.020 0.111 0.119 e 1.500 1.700 0.059 0.067 e1 2.650 2.950 0.104 0.116 e 0.950ref 0.037ref e1 1.800 2.000 0.071 0.079 l 0.550ref 0.022ref l 1 0.300 0.600 0.012 0.024 0 8 0 8 land pattern notes: 1. compound dimension: 2.92 1 .60 2. unit: mm; 3. general tolerance 0.0 5 mm unless otherwise specified; 4. the layout is just for reference. tape and reel orientation d e 1 e l e e 1 3 1 2 0 . 2 1 . 9 0 2 . 0 2 0 . 8 0 6 x x m
________________________________________________________________________ http://www.union - ic.com rev.0 2 dec .20 14 15 / 18 um1650 u m1750 um175 0 s - xx : sot23 - 5 outline dr awing dimensions symbol millimeters inches min max min max a 1.050 1.250 0.041 0.049 a1 0.000 0.100 0.000 0.004 a2 1.050 1.150 0.041 0.045 b 0.300 0.500 0.012 0.020 c 0.100 0.200 0.004 0.008 d 2.820 3.020 0.111 0.119 e 1.500 1.700 0.059 0.067 e1 2.650 2.950 0.104 0.116 e 0.950ref 0.037ref e1 1.800 2.000 0.071 0.079 l 0.300 0.600 0.012 0.024 0 8 0 8 land pattern notes: 1. compound dimension: 2.92 1 .60 ; 2. unit: mm; 3. general tolerance 0.0 5 mm unless otherwise specified; 4. the layout is just for reference. tape and reel orientation 1 2 3 4 5 b d e 1 e e 1 e t o p v i e w 0 . 6 0 0 . 9 0 2 . 4 0 0 . 9 5 0 . 9 5 m 5 x x
________________________________________________________________________ http://www.union - ic.com rev.0 2 dec .20 14 16 / 18 um1650 u m1750 um17 5 0 y - xx: sot89 - 5 outline drawing dimensions symbol millimeters inches min max min max a 1.40 1.60 0.056 0.064 c 0.35 0.44 0.014 0.018 d 4.40 4.60 0.176 0.184 e 2.35 2.60 0.094 0.104 d1 1.40 1.83 0.056 0.073 b 0.35 0.54 0.014 0.022 b1 0.40 0.62 0.016 0.025 e 1.50typ 0.060typ l 0.65 1.10 0.026 0.044 land pattern notes: 1. compound dimension: 4.50 2.48; 2. unit: mm; 3. general tolerance 0.05mm u nless otherwise specified; 4. the layout is just for reference. tape and reel orientation e n d v i e w t o p v i e w d 1 l r 0 . 2 0 0 e e b 1 b l c 8 ( 4 x ) d a s i d e v i e w 1 1 . 7 5 4 0 . 5 7 0 . 6 2 2 1 . 5 0 1 . 5 0 4 . 6 5 1 . 5 0 1 1 7 5 0 - x x x x
________________________________________________________________________ http://www.union - ic.com rev.0 2 dec .20 14 17 / 18 um1650 u m1750 um17 5 0 da - xx: dfn 6 2 .0 2 .0 outline drawing dimensions symbol millimeters inches min typ max min t yp max a 0.57 0.60 0.63 0.023 0.024 0.025 a1 0.00 0.03 0.05 0.00 0.001 0.002 a3 0.15typ 0.006typ b 0.20 0.25 0.30 0.008 0.010 0.012 d 1.95 2.00 2.075 0.078 0.080 0.083 d2 1.45 1.55 1.65 0.058 0.062 0.066 e 1.95 2.00 2.075 0.078 0.080 0.083 e 2 0.76 0.86 0.96 0.030 0.034 0.038 e 0.65typ 0.026typ l 0.30 0.35 0.40 0.012 0.014 0.016 land pattern notes: 1. compound dimension: 2.00 2.0 0 2. unit: mm; 3. general tolerance 0.0 5 mm unless otherwise specified; 4. the layout is just for reference. tape and reel orientation d 2 / 2 d 2 e 2 / 2 e 2 e b l r 0 . 1 0 0 b o t t o m v i e w a 1 a a 3 s i d e v i e w d e t o p v i e w 1 1 . 0 0 1 . 2 0 2 . 5 0 0 . 6 5 0 . 6 5 0 . 2 5 b x x m
________________________________________________________________________ http://www.union - ic.com rev.0 2 dec .20 14 18 / 18 um1650 u m1750 important notice the information in this document has been carefully reviewed and is believed to be accurate. nonetheless, this document is subject to change wit hout notice. union assumes no responsibility for any inaccuracies that may be contained in this document, and makes no commitment to update or to keep current the contained information, or to notify a person or organization of any update. union reserves th e right to make changes, at any time, in order to improve reliability, function or design and to attempt to supply the best product possible. union semiconductor, inc add: unit 606, no.570 shengxia road, shanghai 2012 10 tel: 021 - 5109 3966 fax: 0 21 - 51026018 website: www.union - ic.com

▲Up To Search▲

Price & Availability of UM1750S-37

	To Download UM1750S-37 Datasheet File
If you can't view the Datasheet, Please click here to try to view without PDF Reader .