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data sheet 2a cmos ldo regulator ap2132b oct. 2012 rev. 1. 1 bcd semiconductor manufacturing limited 1 general description the ap2132b series are positive voltage regulator ics fabricated by cmos pr ocess. the ics consist of a voltage reference, an error amplifier, a power transistor, a resistor network for setting output voltage, a current limit circuit for current protection, and a chip enable circuit. the ap2132b series have f eatures of large current, low dropout voltage, high output voltage accuracy, low input voltage. the ap2132b provides a power good (pg) signal to indicate if the voltage level of v out reaches 92% of its rating value. and it operates with v in as low as 1.4v and v ctrl voltage 5v with output voltage programmable as low as 0.8v. the ap2132b are available in 1.2v, 1.5v, 1.8v, 2.5v fixed output voltage versions and adjustable output voltage version. the fixed versions integrate the adjust resistors. it is also available in an adjustable version, which can set the output voltage with external resistor. if the pin of adjustable output voltage is to ground, it will switch to fixed output voltage. ap2132b series are availa ble in psop-8 package. features ? adjustable output: 0.8v to 3.0v ? low dropout voltage: 300mv@ i out =2a, v out =1.2v ? over current and over temperature protection ? enable pin ? psop-8 package with thermal pad ? maximum output current: 2a ? high output voltage accuracy: 2% ? v out power good signal ? excellent line/load regulation applications ? notebook figure 1. package type of ap2132b ps op-8
data sheet 2a cmos ldo regulator ap2132b oct. 2012 rev. 1. 1 bcd semiconductor manufacturing limited 2 pin configuration mp package (psop-8) pg en vin vctrl gnd adj vout nc 1 2 3 4 8 7 6 5 figure 2. pin configuration of ap2132b (top view) pin description pin number pin name function 1 pg assert high once v out reaches 92% of its rating voltage 2 en enable input 3 vin input voltage 4 vctrl input voltage for controlling circuit 5 nc not connected 6 vout regulated output voltage 7 adj adjust output: when connected to ground, the output voltage is set by internal resistors; when external feedback resistors are connected, the output voltage will be v out =0.8(r1+r2)/r2 8 gnd ground
data sheet 2a cmos ldo regulator ap2132b oct. 2012 rev. 1. 1 bcd semiconductor manufacturing limited 3 functional block diagram figure 3. functional block diagram of ap2132b
data sheet 2a cmos ldo regulator ap2132b oct. 2012 rev. 1. 1 bcd semiconductor manufacturing limited 4 ordering information ap2132b - circuit type g1: green package blank: tube mp: psop-8 tr: tape & reel package temperature range version description part number marking id packing type psop-8 -40 to 85 oc each fixed output version integrates adj version ap2132bmp-1.2g1 2132b-1.2g1 tube ap2132bmp-1.2trg1 2132b-1.2g1 tape & reel ap2132bmp-1.5g1 2132b-1.5g1 tube ap2132bmp-1.5trg1 2132b-1.5g1 tape & reel ap2132bmp-1.8g1 2132b-1.8g1 tube ap2132bmp-1.8trg1 2132b-1.8g1 tape & reel ap2132bmp-2.5g1 2132b-2.5g1 tube ap2132bmp-2.5trg1 2132b-2.5g1 tape & reel bcd semiconductor's pb-free products, as designated with "g1" suffix in the part number, are rohs compliant and green. 1.2: fixed output 1.2v 1.5: fixed output 1.5v 1.8: fixed output 1.8v 2.5: fixed out p ut 2.5v
data sheet 2a cmos ldo regulator ap2132b oct. 2012 rev. 1. 1 bcd semiconductor manufacturing limited 5 absolute maximum ratings (note 1) note 1: stresses greater than those listed under ?absolute maximum ratings? may cause permanent damage to the device. these are stress ratings only and functional operation of the device at these or any other conditions beyond those indicated under ?recommended operating co nditions? is not implied. exposure to ?absolute maximum ratings? for extended periods may affect device reliability. note 2: ja is measured with the component mounted on 2-layer fr-4 pcb board with 1.0cm*1.0cm thermal sink pad in free air. recommended operating conditions parameter symbol min max unit input voltage v in 1.4 5.5 v input voltage for controlling circuit v ctrl 4.5 5.5 v operating ambient temperature range t a -40 85 c parameter symbol value unit input voltage input voltage for co ntrolling circuit v in v ctrl 6.0 v enable input voltage v en -0.3 to 6.0 v output current i out 2.5 a thermal resistance (note 2) ja 53 oc/w operating junction temperature t j 150 oc storage temperature range t stg -65 to 150 oc lead temperature (soldering, 10sec) t lead 260 oc esd (machine model) 200 v esd (human body model) 2000 v
data sheet 2a cmos ldo regulator ap2132b oct. 2012 rev. 1. 1 bcd semiconductor manufacturing limited 6 electrical characteristics v in =v out +0.5v, v ctrl =v en =5v, t a =25 o c, c in =c out =10 f, c ctrl =1 f, i out =10ma, unless otherwise specified. parameter symbol conditions min typ max unit output voltage v out v in =v out +0.5v, i out =10ma v out 98% v out 102% v input voltage v in 1.4 5.5 v current limit i limit v in ?v out =1v 3 a load regulation v rload v in =v out +0.5v, 10ma i out 2a 10 mv line regulation v rline v out +0.5v v in 5v , i out =10ma 2 mv dropout voltage v drop i out =500ma 80 120 mv i out =1a 150 200 mv i out =2a 300 450 mv supply current i supply v in =v out +0.5v, i out =0ma 300 a v ctrl current i ctrlh v in =v out +0.5v, v ctrl =v en =5v 250 500 a i ctrll v in =v out +0.5v, v ctrl =5v, v en =0v 0.1 1.0 a power supply rejection ratio psrr ripple 0.5vp-p, v in =v out +1v f=100hz 60 db f=1khz 60 db output voltage temperature coefficient v out v out t i out =10ma, -40 o c t a 85 o c 100 ppm/ o c short circuit current i short 0.3 0.5 a reference voltage v ref adjust short to v out 0.784 0.8 0.816 v enable ?high? voltage enable input voltage ?high? 1.2 v enable ?low? voltage enable input voltage ?low? 0.4 v thermal shutdown otsd 165 o c thermal shutdown hysteresis 20 o c v out power good voltage v thpg 92 % v pg hysteresis 7 % adjust pin threshold 200 mv thermal resistance (junction to case) jc psop-8 29 oc/w
data sheet 2a cmos ldo regulator ap2132b oct. 2012 rev. 1. 1 bcd semiconductor manufacturing limited 7 typical performance characteristics figure 4. supply current vs. output current figure 5. supply current vs. case temperature figure 6. enable high/low voltage vs. case temperature figure 7. supply current vs. input voltage -25 0 25 50 75 100 125 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.4 1.5 ap2132b-1.2v v ctrl =5v v in =2.2v enable high/low voltage (v) case temperature ( o c) enable high voltage enable low voltage -25 0 25 50 75 100 125 0.20 0.22 0.24 0.26 0.28 0.30 0.32 0.34 0.36 0.38 0.40 supply current (ma) case temperature ( o c) ap2132b-1.2v v in =v out +1v v ctrl =v en =5v no load 0.00.51.01.52.02.53.03.54.04.55.05.56.0 0.00 0.05 0.10 0.15 0.20 0.25 0.30 0.35 0.40 0.45 0.50 supply current (ma) ap2132b-1.2v no load v ctrl =v en =5v input voltage (v) t c =-40 o c t c =25 o c t c =85 o c 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 0.20 0.22 0.24 0.26 0.28 0.30 0.32 0.34 0.36 0.38 0.40 ap2132b-1.2v v in =2.2v v ctrl =v en =5v supply current (ma) output current (a) t c =-40 o c t c =25 o c t c =85 o c
data sheet 2a cmos ldo regulator ap2132b oct. 2012 rev. 1. 1 bcd semiconductor manufacturing limited 8 typical performance characteristics (continued) figure 8. output voltage vs. case temperature figure 9. output voltage vs. output current figure 10. output voltage vs. input voltage figure 11. dropout voltage vs. output current -25 0 25 50 75 100 125 1.10 1.12 1.14 1.16 1.18 1.20 1.22 1.24 1.26 1.28 1.30 ap2132b-1.2v v in =2.2v v ctrl =v en =5v output voltage (v) case temperature ( o c) 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 0 40 80 120 160 200 240 280 320 360 400 ap2132b-1.2v v ctrl =v en =5v t c =-40 o c t c =25 o c t c =85 o c dropout voltage (mv) output current (a) 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 0.00 0.15 0.30 0.45 0.60 0.75 0.90 1.05 1.20 1.35 1.50 ap2132b-1.2v v ctrl =v en =5v no load output voltage (v) input voltage (v) t c =-40 o c t c =25 o c t c =85 o c 0.0 0.4 0.8 1.2 1.6 2.0 2.4 2.8 3.2 3.6 4.0 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.4 1.5 ap2132b-1.2v v in =2.2v v ctrl =v en =5v output voltage (v) output current (a) t c =-40 o c t c =25 o c t c =85 o c
data sheet 2a cmos ldo regulator ap2132b oct. 2012 rev. 1. 1 bcd semiconductor manufacturing limited 9 typical performance characteristics (continued) figure 12. dropout voltage vs. case temperature figure 13. short current vs. case temperature figure 14. psrr vs. frequency figure 15. v in start up waveform (v ctrl =v en =5v, v in =0 to 2.2v, no load) -30 -15 0 15 30 45 60 75 90 105 120 0 40 80 120 160 200 240 280 320 ap2132b-1.2v v out =1.2v v in =2.2v v ctrl =v en =5v ouput short to gnd short current (ma) case temperature ( o c) -25 0 25 50 75 0 40 80 120 160 200 240 280 320 360 400 ap2132b-1.2v v ctrl =v en =5v i out =30ma i out =500ma i out =1a i out =2a dropout voltage (mv) case temperature ( o c) 10 100 1k 10k 100k 0 10 20 30 40 50 60 70 80 90 100 psrr (db) frequency (hz) ap2132b-1.2v v out =1.2v c in =10 f, c out =10 f, c ctrl =1 f v ctrl =v en =5v, v in =2.2v to 3.2v, i out =10ma
data sheet 2a cmos ldo regulator ap2132b oct. 2012 rev. 1. 1 bcd semiconductor manufacturing limited 10 typical performance characteristics (continued) v pg 1v/div v out 1v/div i in 1a/div time 80 s/div v ctrl 1v/div figure 16. v en start up waveform figure 17. v ctrl start up and shut down waveform (v ctrl =5v, v en =0 to 5v, v in =2.2v, no load) (v ctrl =0 to 5v, v en =5v, v in =2.2v, no load) figure 18. load transient figure 19. line transient (v ctrl =v en =5v, v in =2.2v, i out =0 to 2a) (v ctrl =v en =5v, c in =c ctrl =1 f, c out =10 f, v in =2.2v to 3.2v, i out =10ma)
data sheet 2a cmos ldo regulator ap2132b oct. 2012 rev. 1. 1 bcd semiconductor manufacturing limited 11 typical application v ctrl v in v out v in vctrl pg en vin vout adj gnd c ctrl 1 f c 1 10 f c 2 10 f r1 r2 10k 0.8 (r1+r2) r2 v out = figure 20. typical application of ap2132b for adjustable version figure 21. typical application of ap2132b for fixed version
data sheet 2a cmos ldo regulator ap2132b oct. 2012 rev. 1. 1 bcd semiconductor manufacturing limited 12 mechanical dimensions psop-8 unit: mm(inch) 3.202(0.126) 3.402(0.134)
important notice bcd semiconductor manufacturing limited reserves the right to make changes without further not ice to any products or specifi- cations herein. bcd semiconductor manufacturing limited does not as sume any responsibility for us e of any its products for any particular purpose, nor does bcd semiconductor manufacturi ng limited assume any liability aris ing out of the application or use of any its products or circui ts. bcd semiconductor manufacturing limited does not convey any license under its patent rights or other rights nor the rights of others. - wafer fab shanghai sim-bcd semiconductor manufacturing co., ltd. 800 yi shan road, shanghai 200233, china tel: +86-21-6485 1491, fax: +86-21-5450 0008 main site regional sales office shenzhen office shanghai sim-bcd semiconductor manuf acturing co., ltd., shenzhen office unit a room 1203, skyworth bldg., gaoxin ave.1.s., nanshan district, shenzhen, china tel: +86-755-8826 7951 fax: +86-755-8826 7865 taiwan office bcd semiconductor (taiwan) company limited 4f, 298-1, rui guang road, nei-hu district, taipei, taiwan tel: +886-2-2656 2808 fax: +886-2-2656 2806 usa office bcd semiconductor corp. 30920 huntwood ave. hayward, ca 94544, usa tel : +1-510-324-2988 fax: +1-510-324-2788 - headquarters bcd semiconductor manufacturing limited no. 1600, zi xing road, shanghai zizhu sc ience-based industrial park, 200241, china tel: +86-21-24162266, fax: +86-21-24162277 bcd semiconductor manufacturing limited important notice bcd semiconductor manufacturing limited reserves the right to make changes without further not ice to any products or specifi- cations herein. bcd semiconductor manufacturing limited does not as sume any responsibility for us e of any its products for any particular purpose, nor does bcd semiconductor manufacturi ng limited assume any liability aris ing out of the application or use of any its products or circui ts. bcd semiconductor manufacturing limited does not convey any license under its patent rights or other rights nor the rights of others. - wafer fab shanghai sim-bcd semiconductor manufacturing limited 800, yi shan road, shanghai 200233, china tel: +86-21-6485 1491, fax: +86-21-5450 0008 bcd semiconductor manufacturing limited main site regional sales office shenzhen office shanghai sim-bcd semiconductor manuf acturing co., ltd. shenzhen office advanced analog circuits (shanghai) corporation shenzhen office room e, 5f, noble center, no.1006, 3rd fuzhong road, futian district, shenzhen 518026, china tel: +86-755-8826 7951 fax: +86-755-8826 7865 taiwan office bcd semiconductor (taiwan) company limited 4f, 298-1, rui guang road, nei-hu district, taipei, taiwan tel: +886-2-2656 2808 fax: +886-2-2656 2806 usa office bcd semiconductor corporation 30920 huntwood ave. hayward, ca 94544, u.s.a tel : +1-510-324-2988 fax: +1-510-324-2788 - ic design group advanced analog circuits (shanghai) corporation 8f, zone b, 900, yi shan road, shanghai 200233, china tel: +86-21-6495 9539, fax: +86-21-6485 9673 bcd semiconductor manufacturing limited http://www.bcdsemi.com bcd semiconductor manufacturing limited

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