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ppmic bu www.belling.com.cn BL9180 rev 2.1 belling proprietary information. unauthorized photocopy and duplication prohibited 8/2010 ? 2010 belling all rights reserved 1 BL9180 dual, dual, dual, dual,3 33 300ma ultra 00ma ultra 00ma ultra 00ma ultra- -- -low noise low noise low noise low noise cmos ldo regulator cmos ldo regulator cmos ldo regulator cmos ldo regulator features up to 300ma output current(each ldo) dual shutdown pins control each output 90ua operating supply current per ldo excellent line regulation:0.05%/v low dropout:220mv@300ma high power supply rejection ratio wide operating voltage range:2.0v to 6.0v 1.2v to 3.3v factory-preset output high accuracy: 1% or 2% internal pulled down(8 m )resistor current limiting and thermal protection two ldos in sot-23-6 and esop-8 package rohs compliant and 100% lead(pb)-free applications cellular and smart phones battery-powered equipment laptop, palmtops, notebook computers hand-held instruments pcmcia cards and wireless lan mp3/mp4/mp5 players portable information appliances description the BL9180 dual, low noise, low-dropout regulator supplying up to 300ma output current at each channel. the output voltage for each regulator is s et independently by trimming. voltages are selectable in 50mv steps within a range of 1.2v to 3.3v by operating from a 2v to 6v input. the BL9180 includes two independent logic-controlled shutdown inputs and allows the output of each regulator to b e turned off independently. when both outputs shutdown simultaneously, the chip will be turn off and consumes nearly zero operation current which is suitable for battery-power devices. the BL9180 includes high accuracy voltage reference, error amplifier, current limit circuit a nd output driver module. the BL9180 has excellent load and line transient response and good temperature characteristics, which can assure the stability of chip and power system. and it uses trimming technique to guarantee output voltage accuracy within 1% or 2%. the BL9180 is available in sot-23-6 and esop-8 package which is lead(pb)-free. ordering information BL9180 x x x xx typical application BL9180 xxx rb BL9180 en1 1 vdd 2 en2 3 vout2 4 gnd 5 vout1 6 1uf 1uf 1uf vin vout1 vout2 application hints: output capacitor (c out 2.2uf) is recommended in BL9180 applications to assure the circuits stability for output voltage 1.8v. package: ra:sot-23-6a rb:sot-23-6b ep:esop-8 features: p:standard(default, lead free) c:customized output voltage accuracy a:1% b:2% output voltage a: 1.3v(output1),2.8v(output2) b: 1.5v(output1),3.0v(output2) c: 1.8v(output1),2.5v(output2) d: 1.8v(output1),2.8v(output2) e: 2.5v(output1),1.8v(output2) f: 2.8v(output1),1.8v(output2) g: 2.8v(output1),3.0v(output2) h: 2.8v(output1),3.3v(output2) i: 3.0v(output1),1.5v(output2) j: 3.3v(output1),2.8v(output2) k: 3.3v(output1),3.3v(output2) l:2.8v(output1),1.2v(output2) m:1.8v(output1),3.3v(output2) n:1.5v(output1),3.3v(output2) o: 1.2v(output1),3.3v(output2)
ppmic bu www.belling.com.cn BL9180 rev 2.1 belling proprietary information. unauthorized photocopy and duplication prohibited 8/2010 ? 2010 belling all rights reserved 2 BL9180 dual, dual, dual, dual,3 33 300ma ultra 00ma ultra 00ma ultra 00ma ultra- -- -low noise low noise low noise low noise cmos ldo regulator cmos ldo regulator cmos ldo regulator cmos ldo regulator absolute maximum rating (note 1) input supply voltage (v in ) -0.3v to +7v en input voltage -0.3v to +v in output voltage -0.3v to v in +0.3v output current 400ma maximum junction temperature 125c operating temperature range (note2) -40c to 85c storage temperature range -65c to 125c lead temperature (soldering, 10s) 300c package information pin description name function vout1 ldo1 output pin vdd input pin vout2 ldo2 output pin en2 ldo2 enable pin gnd ground pin en1 ldo1 enable pin1 vin1 input pin1 vin2 input pin2 y 9 a b c d year 2009 2010 2011 2012 2013 w 1 25 26 27 51 52 week a y z a y z product classification output voltage voltage code accuracy package type product name package type product name package type product name 1.3v/2.8v a 2% sot-23-6a BL9180-abpra sot-23-6b BL9180-abprb esop-8 BL9180-abpep 1.5v/3.0v b 2% sot-23-6a BL9180-bbpra sot-23-6b BL9180-bbprb esop-8 BL9180-bbpep 1.8v/2.5v c 2% sot-23-6a BL9180-cbpra sot-23-6b BL9180-cbprb esop-8 BL9180-cbpep 1.8v/2.8v d 2% sot-23-6a BL9180-dbpra sot-23-6b BL9180-dbprb esop-8 BL9180-dbpep 2.5v/1.8v e 2% sot-23-6a BL9180-ebpra sot-23-6b BL9180-ebprb esop-8 BL9180-ebpep 1 2 3 6 4 sot sot sot sot- -- -23 2323 23- -- -6 66 6a aa a top view top view top view top view marking 5 vout vout vout vout1 11 1 vdd vdd vdd vdd vout vout vout vout2 22 2 en enen en1 11 1 gnd gnd gnd gnd en enen en2 22 2 1 2 3 6 4 sot sot sot sot- -- -23 2323 23- -- -6 66 6b bb b top view top view top view top view marking 5 vout vout vout vout1 11 1 gnd gnd gnd gnd vout vout vout vout2 22 2 en enen en1 11 1 vdd vdd vdd vdd en enen en2 22 2 1 2 3 8 6 esop esop esop esop- -- -8 88 8 top view top view top view top view marking 7 en enen en1 11 1 gnd gnd gnd gnd en enen en2 22 2 vout vout vout vout1 11 1 vin vinvin vin1 11 1 vout vout vout vout2 22 2 4 5 vin vinvin vin2 22 2 gnd gnd gnd gnd part number top mark temp range BL9180-xxxra e vyw (note3) -40c to +85c BL9180-xxxrb evyw -40c to +85c BL9180-xxxep BL9180 vywep (note3) -40c to +85c thermal resistance (note 4) : package ? ja ? jc sot23-6 250 c/w 130c/w esop-8 50 c/w 10 c/w
ppmic bu www.belling.com.cn BL9180 rev 2.1 belling proprietary information. unauthorized photocopy and duplication prohibited 8/2010 ? 2010 belling all rights reserved 3 BL9180 dual, dual, dual, dual,3 33 300ma ultra 00ma ultra 00ma ultra 00ma ultra- -- -low noise low noise low noise low noise cmos ldo regulator cmos ldo regulator cmos ldo regulator cmos ldo regulator 2.8v/1.8v f 2% sot-23-6a BL9180-fbpra sot-23-6b BL9180-fbprb esop-8 BL9180-fbpep 2.8v/3.0v g 2% sot-23-6a BL9180-gbpra sot-23-6b BL9180-gbprb esop-8 BL9180-gbpep 2.8v/3.3v h 2% sot-23-6a BL9180-hbpra sot-23-6b BL9180-hbprb esop-8 BL9180-hbpep 3.0v/1.5v i 2% sot-23-6a BL9180-ibpra sot-23-6b BL9180-ibprb esop-8 BL9180-ibpep 3.3v/2.8v j 2% sot-23-6a BL9180-jbpra sot-23-6b BL9180-jbprb esop-8 BL9180-jbpep 3.3v/3.3v k 2% sot-23-6a BL9180-kbpra sot-23-6b BL9180-kbprb esop-8 BL9180-kbpep 2.8v/1.2v l 2% sot-23-6a BL9180-lbpra sot-23-6b BL9180-lbprb esop-8 BL9180-lbpep 1.8v/3.3v m 2% sot-23-6a BL9180-mbpra sot-23-6b BL9180-mbprb esop-8 BL9180-mbpep 1.5v/3.3v n 2% sot-23-6a BL9180-nbpra sot-23-6b BL9180-nbprb esop-8 BL9180-nbpep 1.2v/3.3v o 2% sot-23-6a BL9180-obpra sot-23-6b BL9180-obprb esop-8 BL9180-obpep note 1: absolute maximum ratings are those values beyond whi ch the life of a device may be impaired. note 2: the BL9180 is guaranteed to meet performance specifi cations from 0c to 70c. specifications over the C 40c to 85c operating temperature range are assured by des ign, characterization and correlation with statisti cal process controls. note 3: e : BL9180 with ra package e: BL9180 with rb package v: vol tage code y: year of wafer manufacturing w: week of wafer manufacturing ep: esop-8 note 4: thermal resistance is specified with approximately 1 square of 1 oz copper. block diagram sot23-6 esop-8
ppmic bu www.belling.com.cn BL9180 rev 2.1 belling proprietary information. unauthorized photocopy and duplication prohibited 8/2010 ? 2010 belling all rights reserved 4 BL9180 dual, dual, dual, dual,3 33 300ma ultra 00ma ultra 00ma ultra 00ma ultra- -- -low noise low noise low noise low noise cmos ldo regulator cmos ldo regulator cmos ldo regulator cmos ldo regulator electrical characteristics (note 5) (v in =3.6v, en1=en2=v in, c in =c out =1 m f, t a =25c, unless otherwise noted.) parameter symbol conditions min typ max unit input voltage v in 2 6 v -1 +1 output voltage accuracy (note 6) d v out v in= 3.6v, i out =1ma -2 +2 % current limit i lim r load =1 w 400 430 ma quiescent current i q v en >1.2v, i out =0ma 180 260 m 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 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 ppmic bu www.belling.com.cn BL9180 rev 2.1 belling proprietary information. unauthorized photocopy and duplication prohibited 8/2010 ? 2010 belling all rights reserved 5 BL9180 dual, dual, dual, dual,3 33 300ma ultra 00ma ultra 00ma ultra 00ma ultra- -- -low noise low noise low noise low noise 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 3.50 3.75 4.00 4.25 4.50 4.75 5.00 5.25 5.50 195 200 205 210 215 220 quiescent current(ua) input voltage(v) c in =1uf c out1 =1uf,c out2 =1uf no load i q vs.v in (BL9180-hbprb) 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 c in =c out =1uf v out =2.8v dropout voltage vs. load current 10 100 1000 10000 100000 1000000 -80 -70 -60 -50 -40 -30 -20 -10 0 psrr(db) frequency(hz) 1ma load 100ma load 200ma load c in =c out1 =c out2 =1uf v out1 =2.8v v out2 =3.0v psrr(vout1) -50 -25 0 25 50 75 100 125 0.75 0.80 0.85 0.90 0.95 1.00 1.05 temperature( c) en pin shutdown threshold(v) en pin shutdown threshold vs. temperature v in =3.6v c in =c out =1uf 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6 2.8 3.0 3.2 3.4 output voltage(v) input voltage(v) vout1(2.8v) vout2(3.3v) v out vs. v in (BL9180-hbprb) c in =1uf c out1 =c out2 =1uf i out1 =i out2 =100ma
ppmic bu www.belling.com.cn BL9180 rev 2.1 belling proprietary information. unauthorized photocopy and duplication prohibited 8/2010 ? 2010 belling all rights reserved 6 BL9180 dual, dual, dual, dual,3 33 300ma ultra 00ma ultra 00ma ultra 00ma ultra- -- -low noise low noise low noise low noise cmos ldo regulator cmos ldo regulator cmos ldo regulator cmos ldo regulator
ppmic bu www.belling.com.cn BL9180 rev 2.1 belling proprietary information. unauthorized photocopy and duplication prohibited 8/2010 ? 2010 belling all rights reserved 7 BL9180 dual, dual, dual, dual,3 33 300ma ultra 00ma ultra 00ma ultra 00ma ultra- -- -low noise low noise low noise low noise cmos ldo regulator cmos ldo regulator cmos ldo regulator cmos ldo regulator 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 c in =c out =1uf
ppmic bu www.belling.com.cn BL9180 rev 2.1 belling proprietary information. unauthorized photocopy and duplication prohibited 8/2010 ? 2010 belling all rights reserved 8 BL9180 dual, dual, dual, dual,3 33 300ma ultra 00ma ultra 00ma ultra 00ma ultra- -- -low noise low noise low noise low noise cmos ldo regulator cmos ldo regulator cmos ldo regulator cmos ldo regulator applications information the BL9180 is integrated with two low noise, low dropout and low quiescent current linear regulators designed primarily for battery applications. output voltages are optional ranging from 1.2v to 3.3v, and each channel can supply current up to 300 ma. enable function the BL9180 is shutdown by pulling the en input low, and turn on by driving the input high. if this feature is not be used, the en input should be tied to vin to keep the regulator on at all times. current limit and thermal protection the BL9180 includes two independent current limit structure which monitor and control each pass transistors gate voltage limiting the guaranteed maximum output current to 300ma. thermal overload protection limits total power dissipation in the BL9180. when the junction temperature exceeds t j =165c, the otp circuit starts the thermal shutdown function turn the pass element off and allowing the ic to cool. the otp circuit turn on the pass element again after ics junction temperature cool by 30c, result in a pulsed output during continuous thermal overload conditions. thermal-overloaded protection is designed to protect the BL9180 in the event of fault conditions. do not exceed the absolute maximum junction temperature rating of t j =125c for continuous operation. the output can be shorted to ground for an indefinite amount of time without damaging the part by cooperation of current limit and thermal protection. operating region and power dissipation the maximum power dissipation of BL9180 depends on the thermal resistance of the case and circuit board, the temperature difference between the die junction and ambient air, and the rate of airflow. the power dissipation across the device is p d = (v in ?v out ) i out + v in i q the maximum power dissipation is: 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. the gnd pin of the BL9180 performs the dual function of providing an electrical connection to ground and channeling heat away. connect the gnd pin to ground using a large pad or ground plane. capacitor selection and regulator stability like any low-dropout regulator, the external capacitors used with the BL9180 must be carefully selected for regulator stability and performance. the BL9180 requires an output capacitor between the vout and gnd pins for phase compensation. using a capacitor whose value is > 1 f on the BL9180 input and the amount of
ppmic bu www.belling.com.cn BL9180 rev 2.1 belling proprietary information. unauthorized photocopy and duplication prohibited 8/2010 ? 2010 belling all rights reserved 9 BL9180 dual, dual, dual, dual,3 33 300ma ultra 00ma ultra 00ma ultra 00ma ultra- -- -low noise low noise low noise low noise cmos ldo regulator cmos ldo regulator cmos ldo regulator cmos ldo regulator capacitance can be increased without limit. the input capacitor 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 (equivalent series resistance) provides better psrr and line-transient response. the output capacitor must meet both requirements for minimum amount of capacitance and esr in all ldos applications. the BL9180 is designed specifically to work with low esr ceramic output capacitor in space-saving and performance consideration. using a ceramic capacitor whose value is at least 1 f with esr is > 5m on the BL9180 output ensures stability. the BL9180 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 BL9180 and returned to a clean analog ground. load-transient considerations the BL9180 load-transient response graphs show two components of the output response: a dc shift from the output impedance due to the load current change, and the transient response. the dc shift is quite small due to the excellent load regulation of the ic. typical output voltage transient spike for a step change in the load current from 0ma to 50ma is tens of mv, depending on the esr of the output capacitor. increasing the output capacitor's value and decreasing the esr attenuates the overshoot. input-output (dropout) voltage a regulator's minimum input-output voltage differential (or dropout voltage) determines the lowest usable supply voltage. in battery-powered systems, this will determine the useful end-of-life battery voltage. because the BL9180 uses a p-channel mosfet pass transistor, the dropout voltage is a function of drain-to-source on resistance [r ds(on) ] multiplied by the load current. 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 BL9180 rev 2.1 belling proprietary information. unauthorized photocopy and duplication prohibited 8/2010 ? 2010 belling all rights reserved 10 BL9180 dual, dual, dual, dual,3 33 300ma ultra 00ma ultra 00ma ultra 00ma ultra- -- -low noise low noise low noise low noise cmos ldo regulator cmos ldo regulator cmos ldo regulator cmos ldo regulator BL9180 layout circuit c1 BL9180 en1 1 vdd 2 en2 3 vout2 4 gnd 5 vout1 6 c2 c3 vout1 vin vout2 vin j1 1 1 2 2 3 3 j2 1 1 2 2 3 3 vin vin top layer layout bottom layer l ayout
ppmic bu www.belling.com.cn BL9180 rev 2.1 belling proprietary information. unauthorized photocopy and duplication prohibited 8/2010 ? 2010 belling all rights reserved 11 BL9180 dual, dual, dual, dual,3 33 300ma ultra 00ma ultra 00ma ultra 00ma ultra- -- -low noise low noise low noise low noise cmos ldo regulator cmos ldo regulator cmos ldo regulator cmos ldo regulator package description
ppmic bu www.belling.com.cn BL9180 rev 2.1 belling proprietary information. unauthorized photocopy and duplication prohibited 8/2010 ? 2010 belling all rights reserved 12 BL9180 dual, dual, dual, dual,3 33 300ma ultra 00ma ultra 00ma ultra 00ma ultra- -- -low noise low noise low noise low noise cmos ldo regulator cmos ldo regulator cmos ldo regulator cmos ldo regulator
ppmic bu www.belling.com.cn BL9180 rev 2.1 belling proprietary information. unauthorized photocopy and duplication prohibited 8/2010 ? 2010 belling all rights reserved 13 BL9180 dual, dual, dual, dual,3 33 300ma ultra 00ma ultra 00ma ultra 00ma ultra- -- -low noise low noise low noise low noise cmos ldo regulator cmos ldo regulator cmos ldo regulator cmos ldo regulator esop-8 dimensions in millimeters symbol min nom max a 1.77 a1 0.08 0.18 0.28 a2 1.2 1.4 1.6 a3 0.55 0.65 0.75 b 0.39 0.48 b 1 0.38 0.41 0.43 c 0.21 0.26 c 1 0.19 0.2 0.21 d 4.7 4.9 5.1 e 5.8 6 6.2 e1 3.7 3.9 4.1 e 1.27bsc l 0.5 0.65 0.8 l1 1.05bsc 0 8 d1 3.30ref e2 2.40ref esop-8 surface mount package

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