ppmic bu www.belling.com.cn BL9195 rev 1.3 belling proprietary i nformation. unauthorized photocopy and duplication prohibited 1/2011 ?2011 belling all rights reserved 1 BL9195 300ma 300ma 300ma 300ma 3 33 3- -- -pin pinpin pin, ultra , ultra , ultra , ultra fast fast fast fast, , , , ultra ultra ultra ultra low dropout low dropout low dropout low dropout high psrr high psrr high psrr high psrr cmos ldo regulator cmos ldo regulator cmos ldo regulator cmos ldo regulator features ultra-fast response in line/load transient low dropout:210mv@300ma wide operating voltage range:2v to 6v wide output voltage range:1.2v to 5v low temperature coefficient current limiting protection thermal shutdown protection only 1 f output capacitor required for stability high power supply rejection ratio custom voltage available available in 3-lead sot23, sot89 and sot223 package applications cellular and smart phones battery-powered equipment laptop, palmtops, notebook computers hand-held instrument pcmcia cards mp3/mp4/mp5 players portable information appliances description the BL9195 is designed for portable rf and wireless applications with demanding perfor- mance and space requirements. the BL9195 performance is optimized for battery-powered systems to deliver ultra low noise and low quiescent current. regulator ground current increases only slightly in dropout, further prolonging the battery life. the BL9195 also works with low-esr ceramic capacitors, reducing the amount of board space necessary for power applications, critical in hand-he ld wireless devices. the other fea- tures include ultra low dropout voltage, high output accuracy, current limiting protection, and high ripple rejection ratio. available in 3- lead sot23, sot89 and sot223 packages. ordering information BL9195 xx x x xxx typical application BL9195 sot23-3/sot89-3/sot223-3 BL9195 vin gnd vout c1 1uf c2 1uf vin vout application hints: output capacitor (c2 2.2uf) is recommended in BL9195-1.2v, BL9195-1.3v, BL9195-1.5v and BL9195-1.8v application to assure circuit stability. package: rt: sot23-3 srt: sot89-3 trt: sot223-3 features: p: standard (default, lead free) c: customized g: green output voltage accuracy: a: 1% b: 2% output voltage: 12: 1.2v 13:1.3v 15: 1.5v 18:1.8v 25:2.5v 27:2.7v 28:2.8v 285: 2.85v 30: 3.0v 32:3.2v 33:3.3v 50:5.0v ct: custom fixed output (50mv step)
ppmic bu www.belling.com.cn BL9195 rev 1.3 belling proprietary i nformation. unauthorized photocopy and duplication prohibited 1/2011 ?2011 belling all rights reserved 2 BL9195 300ma 300ma 300ma 300ma 3 33 3- -- -pin pinpin pin, ultra , ultra , ultra , ultra fast fast fast fast, , , , ultra ultra ultra ultra low dropout low dropout low dropout low dropout high psrr high psrr high psrr high psrr cmos ldo regulator cmos ldo regulator cmos ldo regulator cmos ldo regulator absolute maximum rating (note 1) i nput supply voltage (v in ) -0.3v to +6.5v output voltage -0.3v to v in +0.3v output current 300ma maximum junction temperature 12 5c operating temperature range (note2) -40c to 85c storage temperature range -65c to 125c lead temperature (soldering, 10s) 300c package information w 1 25 26 27 51 52 week a y z a y z note 1: absolute maximum ratings are those values beyond wh ich the life of a device may be impaired. note 2: the BL9195 is guaranteed to meet performance specif ications from 0c to 70c. specifications over the C40c to 85c operating temperature range are assured by design, characterization and correlation with statistical p rocess controls. note 3: y: year of wafer manufacturing w: week of wafer man ufacturing. note 4: y: year of wafer manufacturing ww: week of wafer ma nufacturing (01-54). part number top mark top mark temp range BL9195-1.2v g a y w (note3) BL9195 (note4) ayww -40c to +85c BL9195-1.3v g b y w BL9195 byww -40c to +85c BL9195-1.5v g c y w BL9195 cyww -40c to +85c BL9195-1.8v g d y w BL9195 dyww -40c to +85c BL9195-2.5v g e y w BL9195 eyww -40c to +85c BL9195-2.7v g f y w BL9195 fyww -40c to +85c BL9195-2.8v g g y w BL9195 gyww -40c to +85c BL9195-2.85v g h y w BL9195 hyww -40c to +85c BL9195-3.0v g i y w BL9195 iyww -40c to +85c BL9195-3.2v g j y w BL9195 jyww -40c to +85c BL9195-3.3v g k y w BL9195 kyww -40c to +85c BL9195-5.0v g l y w BL9195 lyww -40c to +85c thermal resistance (note 5) : package k ja k jc sot23-3 250 c/w 130c/w sot89-3 160 c/w 45c/w sot223-3 60 c/w 20c/w y 9 a b c d year 2009 2010 2011 2012 2013
ppmic bu www.belling.com.cn BL9195 rev 1.3 belling proprietary i nformation. unauthorized photocopy and duplication prohibited 1/2011 ?2011 belling all rights reserved 3 BL9195 300ma 300ma 300ma 300ma 3 33 3- -- -pin pinpin pin, ultra , ultra , ultra , ultra fast fast fast fast, , , , ultra ultra ultra ultra low dropout low dropout low dropout low dropout high psrr high psrr high psrr high psrr cmos ldo regulator cmos ldo regulator cmos ldo regulator cmos ldo regulator note 5: thermal resistance is specified with approximately 1 square of 1 oz copper. pin description pin-number sot23-3 sot223-3 sot89-3 name function 1 1 gnd ground 3 2 vin power input voltage 2 3 vout output voltage block diagram
ppmic bu www.belling.com.cn BL9195 rev 1.3 belling proprietary i nformation. unauthorized photocopy and duplication prohibited 1/2011 ?2011 belling all rights reserved 4 BL9195 300ma 300ma 300ma 300ma 3 33 3- -- -pin pinpin pin, ultra , ultra , ultra , ultra fast fast fast fast, , , , ultra ultra ultra ultra low dropout low dropout low dropout low dropout high psrr high psrr high psrr high psrr cmos ldo regulator cmos ldo regulator cmos ldo regulator cmos ldo regulator electrical characteristics (note 6) (v in =3.6v, c in =c out =1 f, t a =25 o c, unless otherwise noted.) parameter symbol conditions min typ max unit input voltage v in 2 6 v -1 +1 output voltage accuracy (note 7) ? v out v in= 3.6v, i out =1ma -2 +2 % current limit i lim r load =1 400 430 ma quiescent current i q i out =0ma 90 130 a i out =200ma, v out =2.8v 130 180 dropout voltage v drop i out =300ma, v out =2.8v 210 300 mv line regulation (note 8) ?v line v in =3.6v to 5.5v i out =1ma 0.05 0.17 %/v load regulation (note 9) ?v load 1ma ppmic bu www.belling.com.cn BL9195 rev 1.3 belling proprietary i nformation. unauthorized photocopy and duplication prohibited 1/2011 ?2011 belling all rights reserved 5 BL9195 300ma 300ma 300ma 300ma 3 33 3- -- -pin pinpin pin, ultra , ultra , ultra , ultra fast fast fast fast, , , , ultra ultra ultra ultra low dropout low dropout low dropout low dropout high psrr high psrr high psrr high psrr cmos ldo regulator cmos ldo regulator cmos ldo regulator cmos ldo regulator typical performance characteristics -50 -25 0 25 50 75 100 125 2.5 2.6 2.7 2.8 2.9 3.0 output voltage(v) temperaute( c ) output voltage vs. temperature v in =3.6v c in =c out =1uf -50 -25 0 25 50 75 100 125 60 70 80 90 100 110 120 130 140 quiescent current(ua) temperature( c) quiescent current vs. temperature v in =3.6v c in =c out =1uf 0 50 100 150 200 250 300 0 50 100 150 200 250 300 dropout voltage(mv) load current(ma) tj=85 c tj=25 c tj=-40 c v out =2.8v c in =c out =1uf dropout voltage vs. load current 10 100 1000 10000 100000 -90 -80 -70 -60 -50 -40 -30 -20 -10 0 psrr(db) frequency(hz) i load =1ma i load =100ma i load =200ma v in =4.2v c in =1uf,c out =1uf , x7r psrr 3.0 3.5 4.0 4.5 5.0 5.5 6.0 300 320 340 360 380 400 420 440 460 480 500 current limit(ma) input voltage(v) c in =c out =1uf v out =2.8v current limit vs. input voltage 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 2.0 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 2.9 3.0 output voltage(v) input voltage(v) iload=1ma iload=100ma iload=300ma v out vs.v in v out =2.8v c in =c out =1uf
ppmic bu www.belling.com.cn BL9195 rev 1.3 belling proprietary i nformation. unauthorized photocopy and duplication prohibited 1/2011 ?2011 belling all rights reserved 6 BL9195 300ma 300ma 300ma 300ma 3 33 3- -- -pin pinpin pin, ultra , ultra , ultra , ultra fast fast fast fast, , , , ultra ultra ultra ultra low dropout low dropout low dropout low dropout high psrr high psrr high psrr high psrr cmos ldo regulator cmos ldo regulator cmos ldo regulator cmos ldo regulator
ppmic bu www.belling.com.cn BL9195 rev 1.3 belling proprietary i nformation. unauthorized photocopy and duplication prohibited 1/2011 ?2011 belling all rights reserved 7 BL9195 300ma 300ma 300ma 300ma 3 33 3- -- -pin pinpin pin, ultra , ultra , ultra , ultra fast fast fast fast, , , , ultra ultra ultra ultra low dropout low dropout low dropout low dropout high psrr high psrr high psrr high psrr cmos ldo regulator cmos ldo regulator cmos ldo regulator cmos ldo regulator applications information like any low-dropout regulator, the ex- ternal capacitors used with the BL9195 must be carefully selected for regulator stability and performance. using a capac- itor whose value is > 1f on the BL9195 input and the amount of capacitance can be increased without limit. the input cap- acitor must be located a distance of not more than 0.5 inch from the input pin of the ic and returned to a clean analog ground. any good quality ceramic or tantalum can be used for this capacitor. the capacitor with larger value and lower esr (equi- valent series resistance) provides better psrr and line-transient response. the output capacitor must meet both requi- rements for minimum amount of capa- citance and esr in all ldos application. the BL9195 is designed specifically to work with low esr ceramic output capa- citor in space-saving and performance consideration. using a ceramic capacitor whose value is at least 1f with esr is > 25mt on the BL9195 output ensures stability. the BL9195 still works well with output capacitor of other types due to the wide stable esr range. output capacitor of larger capacitance can reduce noise and improve load transient response, stability, and psrr. the output capacitor should be located not more than 0.5 inch from the v out pin of the BL9195 and returned to a clean analog ground. thermal considerations thermal protection limits power dissipation in BL9195. when the operation junction temperature exceeds 165c, the otp circuit starts the thermal shutdown function turn the pass element off. the pass element turns on again after the junction temperature cools by 30c. for continue operation, do not exceed absolute maximum operation junction temperature 125c. the power dissipation definition in device is: p d = (v in ?v out ) i out + v in i q the maximum power dissipation depends on the thermal resistance of ic package, pcb layout, the rate of surroundings airflow and temperature difference betw- een junction to ambient. the maximum power dissipation can be calculated by following formula p d (max) = ( t j (max) ? t a ) / ja where t j (max) is the maximum operation junction temperature 125c, t a is the ambient temperature and the ja is the junction to ambient thermal resistance. for recommended operating conditions spe- cification of BL9195, where t j (max) is the maximum junction temperature of the die (125c) and t a is the maximum ambient temperature. the junction to ambient ther- mal resistance ( ja is layout dependent) for sot-23-3 package is 250c/w, sot89-3 package is 160c/w, sot-223-3 package is 60c/w on standard jedec 51-3 thermal test board. the maximum power dissipation at t a = 25c can be calculated by following formula: p d (max) = (125c?25c)/160 = 667mw (sot89-3) p d (max) = (125c?25c)/250 = 400mw (sot23-3) p d (max) = (125c?25c)/60 = 1666mw (sot223-3)
ppmic bu www.belling.com.cn BL9195 rev 1.3 belling proprietary i nformation. unauthorized photocopy and duplication prohibited 1/2011 ?2011 belling all rights reserved 8 BL9195 300ma 300ma 300ma 300ma 3 33 3- -- -pin pinpin pin, ultra , ultra , ultra , ultra fast fast fast fast, , , , ultra ultra ultra ultra low dropout low dropout low dropout low dropout high psrr high psrr high psrr high psrr cmos ldo regulator cmos ldo regulator cmos ldo regulator cmos ldo regulator the maximum power dissipation depends on operating ambient temperature for fixed t j (max) and thermal resistance ja . it is also useful to calculate the junction of temperature of the BL9195 under a set of specific conditions. in this example let the input voltage v in =3.3v, the output current io=300ma and the case temperature t a =40c measured by a thermal couple during operation. the power dissipation for the v out =2.8v version of the BL9195 can be calculated as: p d = (3.3v?2.8v) 300ma+3.6v100ua =150mw and the junction temperature, t j , can be calculated as follows: t j =t a +p d ja =40c+0.15w250c/w =40c+37.5c=77.5cBL9195 in this configuration. layout considerations to improve ac performance such as psrr, output noise, and transient response, it is recommended that the pcb be designed with separate ground planes for v in and v out , with each ground plane connected only at the gnd pin of the device.
ppmic bu www.belling.com.cn BL9195 rev 1.3 belling proprietary i nformation. unauthorized photocopy and duplication prohibited 1/2011 ?2011 belling all rights reserved 9 BL9195 300ma 300ma 300ma 300ma 3 33 3- -- -pin pinpin pin, ultra , ultra , ultra , ultra fast fast fast fast, , , , ultra ultra ultra ultra low dropout low dropout low dropout low dropout high psrr high psrr high psrr high psrr cmos ldo regulator cmos ldo regulator cmos ldo regulator cmos ldo regulator package description 1. sot23-3
ppmic bu www.belling.com.cn BL9195 rev 1.3 belling proprietary i nformation. unauthorized photocopy and duplication prohibited 1/2011 ?2011 belling all rights reserved 10 BL9195 300ma 300ma 300ma 300ma 3 33 3- -- -pin pinpin pin, ultra , ultra , ultra , ultra fast fast fast fast, , , , ultra ultra ultra ultra low dropout low dropout low dropout low dropout high psrr high psrr high psrr high psrr cmos ldo regulator cmos ldo regulator cmos ldo regulator cmos ldo regulator 2. sot89-3
ppmic bu www.belling.com.cn BL9195 rev 1.3 belling proprietary i nformation. unauthorized photocopy and duplication prohibited 1/2011 ?2011 belling all rights reserved 11 BL9195 300ma 300ma 300ma 300ma 3 33 3- -- -pin pinpin pin, ultra , ultra , ultra , ultra fast fast fast fast, , , , ultra ultra ultra ultra low dropout low dropout low dropout low dropout high psrr high psrr high psrr high psrr cmos ldo regulator cmos ldo regulator cmos ldo regulator cmos ldo regulator 3. sot223-3 package sot223-3 device per reel 2500 unit mm
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