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bl9193 3 33 30 00 00 00 0m mm ma a a a u uu ul ll ltr trtr tra aa a- -- -l ll lo oo ow ww w n nn no oo oise, ise,ise, ise, u uu ul ll ltr trtr tra aa a- -- -f ff fast astast ast c cc cm mm mos osos os ld ldld ldo oo o reg regreg regul ulul ula aa at tt to oo or rr r bl9193 rev 2.4 3/2017 www.belling.com.cn belling proprietary information. unauthorized photo copy and duplication prohibited ?2011 belling all rights reserved 1 features ultra-low noise for rf application ultra-fast response in line/load transient quick start-up (typically 50 s) <0.01 a standby current when shutdown. low dropout:210mv@300ma wide operating voltage ranges:2v to 6v ttl-logic-controlled shutdown input 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 fast output discharge available in 5-lead sot-23 and sc-70 package applications cellular and smart phones battery-powered equipment laptop, palmtops,notebook computers ordering information bl9193 xx x x x xxx hand-held instruments pcmcia cards mp3/mp4/mp5 players portable information appliances description the bl9193 is designed for portable rf and wireless applications with demanding perfor- mance and space requirements. the bl9193 performance is optimized for battery-powered systems to deliver ultra low noise and low quiescent current. a noise bypass pin is available for further reduction of output noise. regulator ground current increases only slightly in dropout, further prolonging the battery life. the bl9193 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 bl9193 consumes less than 0.01a in shutdown mode and has fast turn- on time less than 50s. the other features include ultra low dropout voltage, high output accuracy, current limiting protection, and high ripple rejection ratio. available in the 5-lead of sc-70, sot-23 packages. typical application package: rn: sot-23-5 urn: sc-70-5 vin c1 1uf 1 vin 2 gnd vout 5 vout c2 1uf features p: standard (default, lead free) c: customized enable option: a: active high with internal 8 m? pull down b: active high with external pull down chip enable 3 en bl9193 bp 4 c3 22nf c: active low with internal 2 m? pull up d: active low with external pull up output voltage accuracy a: 1% b: 2% output voltage: 12:1.2v 15:1.5v 18:1.8v 25:2.5v 28:2.8v 30:3.0v 33:3.3v ct: custom fixed output (50mv step) ad: adjustable application hints: output capacitor (c2 2.2uf) is recommended in bl9193-1.2v bl9193-1.5v bl9193- 1.8v application to assure the stability of circuit .
bl9193 3 33 30 00 00 00 0m mm ma a a a u uu ul ll ltr trtr tra aa a- -- -l ll lo oo ow ww w n nn no oo oise, ise,ise, ise, u uu ul ll ltr trtr tra aa a- -- -f ff fast astast ast c cc cm mm mos osos os ld ldld ldo oo o reg regreg regul ulul ula aa at tt to oo or rr r bl9193 rev 2.4 3/2017 www.belling.com.cn belling proprietary information. unauthorized photo copy and duplication prohibited ?2011 belling all rights reserved 2 absolute maximum rating (note 1) i nput supply voltage (v cc ) -0.3v to +6v en input voltage -0.3v to +v in output voltage -0.3v to vin+0.3v bp voltage -0.3v to +6v output current 300ma maximum junction temperature 125c operating temperature range (note2) -40c to 85c storage temperature range -65c to 125c lead temperature (soldering, 10s) 300c package information thermal resistance (note 4) : package ? ja ? jc sot23-5 250 c/w 130c/w sc70-5 333 c/w 170c/w y 4 5 6 0 1 year 2014 2015 2016 2020 2021 w a y z a y z week 1 25 26 27 51 52 note 1: absolute maximum ratings are those values beyond wh ich the life of a device may be impaired. note 2: the bl9193 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 stati stical process controls. note 3: y: year of manufacturing w: week of manufacturing note 4: thermal resistance is specified with approximately 1 square of 1 oz copper. vin gnd en 3 4 part number top mark temp range bl9193-12ba c a y w (note3) -40c to +85c bl9193-15ba c b y w -40c to +85c bl9193-18ba c c y w -40c to +85c bl9193-25ba c d y w -40c to +85c bl9193-28bb c e y w -40c to +85c bl9193-30ba c f y w -40c to +85c bl9193-33ba c g y w -40c to +85c bl9193-12bb c h y w -40c to +85c bl9193-28ba c i y w -40c to +85c bl9193-adba c j y w -40c to +85c sot sotsot sot 2 22 2 3 33 3 - -- - 5 55 5 / // / sc scsc sc 70 7070 70 - -- - 5 5 5 5 t tt t o oo o p view p viewp view p view 1 5 vout 2 bp / fb marking
bl9193 3 33 30 00 00 00 0m mm ma a a a u uu ul ll ltr trtr tra aa a- -- -l ll lo oo ow ww w n nn no oo oise, ise,ise, ise, u uu ul ll ltr trtr tra aa a- -- -f ff fast astast ast c cc cm mm mos osos os ld ldld ldo oo o reg regreg regul ulul ula aa at tt to oo or rr r bl9193 rev 2.4 3/2017 www.belling.com.cn belling proprietary information. unauthorized photo copy and duplication prohibited ?2011 belling all rights reserved 3 pin description pin name function 1 vin power input voltage. 2 gnd ground. 3 en chip enable pin with four options. a: active high with internal 8 m? pull down b: active high with external pull down c: active low with internal 2 m? pull up d: active low with external pull up 4 bp/fb reference noise bypass. fb pin for adjustabl e version. 5 vout output voltage. block diagram vin vin quick start - error quick start - error amplifier bp + bp vout amplifier + vout vref current limit and thermal protection vref current limit and thermal protection en gnd en gnd bl9193 xx xa bl9193 xx xc vin vin quick start - error quick start - error amplifier bp + bp vout amplifier + vout vref current limit and thermal protection vref current limit and thermal protection en gnd en gnd bl9193 xx xb bl9193 xx xd
bl9193 3 33 30 00 00 00 0m mm ma a a a u uu ul ll ltr trtr tra aa a- -- -l ll lo oo ow ww w n nn no oo oise, ise,ise, ise, u uu ul ll ltr trtr tra aa a- -- -f ff fast astast ast c cc cm mm mos osos os ld ldld ldo oo o reg regreg regul ulul ula aa at tt to oo or rr r bl9193 rev 2.4 3/2017 www.belling.com.cn belling proprietary information. unauthorized photo copy and duplication prohibited ?2011 belling all rights reserved 4 ? v ? v electrical characteristics (note 5) (v in =3.6v, en=v in, c in =c out =1 f, c bp =22nf, t a =25 , unless otherwise noted.) parameter symbol conditions min typ max unit input voltage v in 2 6 v output voltage accuracy (note 6) ? v out v in= 3.6v, i out =1ma -1 +1 % -2 +2 v in= 3.4v, i out =300ma -2.5 +2.5 current limit i lim r load =1 ? 400 430 ma quiescent current i q v en >1.2v, i out =0ma 90 130 a dropout voltage v drop i out =200ma, v out =2.8v 130 180 mv i out =300ma, v out =2.8v 210 300 line regulation (note 7) ?v line v in =3.6v to 5.5v i out =1ma 0.05 0.17 %/v load regulation (note 8) ?v load 1ma bl9193 3 33 30 00 00 00 0m mm ma a a a u uu ul ll ltr trtr tra aa a- -- -l ll lo oo ow ww w n nn no oo oise, ise,ise, ise, u uu ul ll ltr trtr tra aa a- -- -f ff fast astast ast c cc cm mm mos osos os ld ldld ldo oo o reg regreg regul ulul ula aa at tt to oo or rr r bl9193 rev 2.4 3/2017 www.belling.com.cn belling proprietary information. unauthorized photo copy and duplication prohibited ?2011 belling all rights reserved 5 v in =3.6v c in =c out =1uf c in =c out =1uf tj=85 c tj=25 c tj=-40 c v quiescent current(ua) psrr(db) note 9: the temperature coefficient is calculated by tc out = ? v out ? t v out typical performance characteristics 3.0 2.9 output voltage vs. temperature 140 130 120 quiescent current vs. temperature 110 2.8 100 2.7 90 80 2.6 70 2.5 -50 -25 0 25 50 75 100 125 temperaute( c ) 60 -50 -25 0 25 50 75 100 125 temperature( c) 300 250 dropout voltage vs. load current 0 -10 -20 psrr 200 -30 -40 150 -50 100 -60 50 0 0 50 100 150 200 250 300 load current(ma) -70 -80 -90 10 100 1000 10000 100000 1000000 frequency(hz) v in =3.6v c in =c out =1uf v in =3.6v c bp =22nf c in =1u f, c out =1uf i out =100 m a i out =200ma dropout voltage(mv) output voltage(v)
bl9193 rev 2.4 3/2017 belling proprieta r en pin shutdown threshold vs. tem 1.05 1.00 0.95 0.90 0.85 0.80 0.75 -50 -25 0 25 50 75 temperature( c) v i c in =c out en pin shutdown threshold(v) 3 33 30 00 00 00 0m mm ma a a a u uu ul ll ltr trtr tra aa a- -- -l ll lo oo o w ww w c cc c m mm m www.belling.com.cn r y information. unauthorized photocopy and duplicati on pro h ?2011 belling all rights reserved tem perature 100 125 n =3.6v out =1uf bl9193 w ww w n nn no oo oise, ise,ise, ise, u uu ul ll ltr trtr tra aa a- -- -f ff fast astast ast m mm m os osos os ld ldld ldo oo o reg regreg regul ulul ula aa at tt to oo or rr r h ibited 6
bl9193 3 33 30 00 00 00 0m mm ma a a a u uu ul ll ltr trtr tra aa a- -- -l ll lo oo ow ww w n nn no oo oise, ise,ise, ise, u uu ul ll ltr trtr tra aa a- -- -f ff fast astast ast c cc cm mm mos osos os ld ldld ldo oo o reg regreg regul ulul ula aa at tt to oo or rr r ppmic bu bl9193 rev 2. 2 1/2011 www.belling.com.cn belling proprietary information. unauthorized photo copy and duplication prohibited ?2011 belling all rights reserved 7 applications information like any low-dropout regulator, the ex- ternal capacitors used with the bl9193 must be carefully selected for regulator stability and performance. using a capac- itor whose value is > 1f on the bl9193 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 bl9193 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 > 25m? on the bl9193 output ensures stability. the bl9193 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 bl9193 and returned to a clean analog ground. bypass capacitor and low noise connecting a 22nf between the bp pin and gnd pin significantly reduces noise on the regulator output, it is critical that the capacitor connection between the bp pin and gnd pin be direct and pcb traces should be as short as possible. there is a relationship between the bypass capacitor value and the ldo regulator turn on time. dc leakage on this pin can affect the ldo regulator output noise and voltage regul- ation performance. enable function the bl9193 features an ldo regulator en- able/disable function. to assure the ldo regulator will switch on; the en turn on control level must be greater than 1.2 volts. the ldo regulator will go into the shut- down mode when the voltage on the en pin falls below 0.4 volts. for to protect the
bl9193 3 33 30 00 00 00 0m mm ma a a a u uu ul ll ltr trtr tra aa a- -- -l ll lo oo ow ww w n nn no oo oise, ise,ise, ise, u uu ul ll ltr trtr tra aa a- -- -f ff fast astast ast c cc cm mm mos osos os ld ldld ldo oo o reg regreg regul ulul ula aa at tt to oo or rr r bl9193 rev 2.4 3/2017 www.belling.com.cn belling proprietary information. unauthorized photo copy and duplication prohibited ?2011 belling all rights reserved 8 ? ? system, the bl9193 have a quick dis- charge function. if the enable function is not needed in a specific application, it may be tied to vin to keep the ldo regulator in a continuously on state. programming the bl9193 adjustable ldo regulator the output voltage of the bl9193 vin bl9193 adjustable ldo regulator programming adjustable regulator is programmed using 1 vin vout 5 vout 1uf 1uf an external resistor divider as show in figure as below. the output voltage is calculated using equation as below: v out = v ref ? 1 + r 1 ? 2 gnd bl9193 -adj 3 en fb 4 r1 c1 r2 ? r 2 ? where: ? ? v ref =1.23v typ (the internal thermal considerations reference voltage) resistors r1 and r2 should be chosen for approximately 50ua divider current. lower value resistors can be used for improved noise performance, but the solution consumes more power. higher resistor values should be avoided as leakage current into/out of fb across r1/r2 creates an offset voltage that artificially increases/decreases the feedback voltage and thus erroneously decrease/increases v out. the recommended design procedure is to choose r2=30. 1k? to set the divider current at 50ua, c1=22pf for stability, and then calculate using equation as below: thermal protection limits power dissipation in bl9193. 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, r 1 = ? v out ? v ref ? 1 ? r 2 ? pcb layout, the rate of surroundings airflow and temperature difference betw- in order to improve the stability of the adjustable version, it is suggested that a small compensation capacitor be placed between out and fb. the suggested value of this capacitor for several resistor ratios is shown in the table below. output voltage programming guide 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 output voltagte r1 r2 c1 1.8v 13.9 k? 30.1 k? 22pf 2.5v 31.6 k? 30.1 k? 22pf 3.3v 51 k? 30.1 k? 22pf 3.6v 59 k? 30.1 k? 22pf
bl9193 3 33 30 00 00 00 0m mm ma a a a u uu ul ll ltr trtr tra aa a- -- -l ll lo oo ow ww w n nn no oo oise, ise,ise, ise, u uu ul ll ltr trtr tra aa a- -- -f ff fast astast ast c cc cm mm mos osos os ld ldld ldo oo o reg regreg regul ulul ula aa at tt to oo or rr r bl9193 rev 2.4 3/2017 www.belling.com.cn belling proprietary information. unauthorized photo copy and duplication prohibited ?2011 belling all rights reserved 9 ambient temperature and the ja is the junction to ambient thermal resistance. for recommended operating conditions spe- cification of bl9193, 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 the- rmal resistance ( ja is layout dependent) for sot-23-5 package is 250c/w, sc-70- 5 package is 333c/w, on standard jedec 51-3 thermal test board. the max- imum power dissipation at t a = 25c can be calculated by following formula: p d (max) = (125c?25c)/333 = 300mw (sc-70-5) p d (max) = (125c?25c)/250 = 400mw (sot-23-5) 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 t j =t a +p d ja =40c+0.15w250c/w =40c+37.5c=77.5c bl9193 3 33 30 00 00 00 0m mm ma a a a u uu ul ll ltr trtr tra aa a- -- -l ll lo oo ow ww w n nn no oo oise, ise,ise, ise, u uu ul ll ltr trtr tra aa a- -- -f ff fast astast ast c cc cm mm mos osos os ld ldld ldo oo o reg regreg regul ulul ula aa at tt to oo or rr r bl9193 rev 2.4 3/2017 www.belling.com.cn belling proprietary information. unauthorized photo copy and duplication prohibited ?2011 belling all rights reserved 10
bl9193 rev 2.4 3/2017 www.belling.com.cn belling proprietary information. unauthorized photo copy and duplication prohibited ?2011 belling all rights reserved 11 bl9193 3 33 30 00 00 00 0m mm ma a a a u uu ul ll lt tt tr rr ra aa a- -- -l ll lo oo ow ww w n nn no oo oise, ise,ise, ise, u uu ul ll ltr trtr tra aa a- -- -f ff fast astast ast c cc cm mm mos osos os ld ldld ldo oo o reg regreg regul ulul ula aa at tt to oo or rr r package description symbol dimensions in millimeters dimensions in inches min max min max a 0.800 1.100 0.031 0.044 a1 0.000 0.100 0.000 0.004 b 1.150 1.350 0.045 0.054 b 0.150 0.400 0.006 0.016 c 1.800 2.450 0.071 0.096 d 1.800 2.250 0.071 0.089 e 0.650 0.026 h 0.080 0.260 0.003 0.010 l 0.210 0.460 0.008 0.018 sc-70-5 surface mount package
bl9193 rev 2.4 3/2017 www.belling.com.cn belling proprietary information. unauthorized photo copy and duplication prohibited ?2011 belling all rights reserved 12 bl9193 3 33 30 00 00 00 0m mm ma a a a u uu ul ll lt tt tr rr ra aa a- -- -l ll lo oo ow ww w n nn no oo oise, ise,ise, ise, u uu ul ll ltr trtr tra aa a- -- -f ff fast astast ast c cc cm mm mos osos os ld ldld ldo oo o reg regreg regul ulul ula aa at tt to oo or rr r package type sc70-5 number of devices per reel 3000 tape dimension taping reel dimension
bl9193 rev 2.4 3/2017 www.belling.com.cn belling proprietary information. unauthorized photo copy and duplication prohibited ?2011 belling all rights reserved 13 bl9193 3 33 30 00 00 00 0m mm ma a a a u uu ul ll ltr trtr tra aa a- -- -l ll lo oo ow ww w n nn no oo oise, ise,ise, ise, u uu ul ll ltr trtr tra aa a- -- -f ff fast astast ast c cc cm mm mos osos os ld ldld ldo oo o reg regreg regul ulul ula aa at tt to oo or rr r symbol dimensions in millimeters dimensions in inches min max min max a 0.889 1.295 0.035 0.051 a1 0.000 0.152 0.000 0.006 b 1.397 1.803 0.055 0.071 b 0.356 0.559 0.014 0.022 c 2.591 2.997 0.102 0.118 d 2.692 3.099 0.106 0.122 e 0.838 1.041 0.033 0.041 h 0.080 0.254 0.003 0.010 l 0.300 0.610 0.012 0.024 sot-23-5 surface mount package
bl9193 rev 2.4 3/2017 www.belling.com.cn belling proprietary information. unauthorized photo copy and duplication prohibited ?2011 belling all rights reserved 14 bl9193 3 33 30 00 00 00 0m mm ma a a a u uu ul ll ltr trtr tra aa a- -- -l ll lo oo ow ww w n nn no oo oise, ise,ise, ise, u uu ul ll ltr trtr tra aa a- -- -f ff fast astast ast c cc cm mm mos osos os ld ldld ldo oo o reg regreg regul ulul ula aa at tt to oo or rr r package type sot23-5 number of devices per reel 300 0 tape dimension default: type i type i type ii taping reel dimension

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