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XL6019 220khz 60v 5a switching current boost / buck-boost / inverting dc/dc converter rev 1.0 www.xlsemi.com 1 features ? wide 5v to 40v input voltage range ? positive or negative output voltage programming with a single feedback pin ? current mode control provides excellent transient response ? 1.25v reference adjustable version ? fixed 220khz switching frequency ? maximum 5a switching current ? sw pin built in over voltage protection ? excellent line and load regulation ? en pin ttl shutdown capability ? internal optimize power mosfet ? high efficiency up to 94% ? built in frequency compensation ? built in soft-start function ? built in thermal shutdown function ? built in current limit function ? available in to263-5l package applications ? epc / notebook car adapter ? automotive and industrial boost / buck-boost / inverting converters ? portable electronic equipment general description the XL6019 regulator is a wide input range, current mode, dc/dc converter which is capable of generating either positive or negative output voltages. it can be configured as either a boost, flyback, sepic or inverting converter. the XL6019 built in n-channel power mosfet and fixed frequency oscillator, current-mode architecture results in stable operation over a wide range of supply and output voltages. the XL6019 regulator is special design for portable electronic equipment applications. figure1. package type of XL6019
XL6019 220khz 60v 5a switching current boost / buck-boost / inverting dc/dc converter rev 1.0 www.xlsemi.com 2 pin configurations figure2. pin configuration of XL6019 (top view) table 1 pin description pin number pin name description 1 gnd ground pin. 2 en enable pin. drive en pin low to turn off the device, drive it high to turn it on. floating is default high. 3 sw power switch output pin (sw). 4 vin supply voltage input pin. XL6019 operates from a 5v to 40v dc voltage. bypass vin to gnd with a suitably large capacitor to eliminate noise on the input. 5 fb feedback pin (fb). through an external resistor divider network, fb senses the output voltage and regulates it. the feedback threshold voltage is 1.25v.
XL6019 220khz 60v 5a switching current boost / buck-boost / inverting dc/dc converter rev 1.0 www.xlsemi.com 3 function block figure3. function block diagram of XL6019 typical application circuit 9- $ 7*/ (/% 7*/ 48 &/ 0/ 0'' #pptu$powfsufs *oqvu7_7 0vuqvu7" 7065 33
-v)" %.#3% 3 , $065 v'7 3 , $*/ v'7 $ '# figure4. XL6019 typical applicatio n circuit (boost converter)
XL6019 220khz 60v 5a switching current boost / buck-boost / inverting dc/dc converter rev 1.0 www.xlsemi.com 4 ordering information order information marking id package type packing type supplied as XL6019e1 XL6019e1 to263-5l 800 units on tape & reel xlsemi pb-free products, as designated with ?e1? suffix in the par number, are rohs compliant. absolute maximum ratings note1 parameter symbol value unit input voltage vin -0.3 to 45 v feedback pin voltage v fb -0.3 to vin v en pin voltage v en -0.3 to vin v output switch pin voltage v output -0.3 to 60 v power dissipation p d internally limited mw thermal resistance (to263-5l) (junction to ambient, no heatsink, free air) r ja 30 oc/w maximum junction temperature t j -40 to 150 oc operating junction temperature t j -40 to 125 oc storage temperature t stg -65 to 150 oc lead temperature (soldering, 10 sec) t lead 260 oc esd (hbm) >2000 v note1: stresses greater than those listed under maximum ratings may cause permanent damage to the device. this is a stress rating only and functional operation of the device at these or any other conditions above those in dicated in the operation is not implied. exposure to absolute maximum rating conditions for extended periods may affect reliability.
XL6019 220khz 60v 5a switching current boost / buck-boost / inverting dc/dc converter rev 1.0 www.xlsemi.com 5 XL6019 electrical characteristics t a = 25 ;unless otherwise specified. symbol parameter test condition min. typ. max. unit system parameters test circuit figure4 vfb feedback voltage vin = 12v to20v, vout=24v iload=0.1a to 1a 1.231 1.25 1.269 v ? efficiency vin=12v ,vout=24v iout=1a - 93 - % electrical characteristics (dc parameters) vin = 12v, gnd=0v, vin & gnd parallel connect a 100uf/50v capacitor; iout=0.5a, t a = 25 ; the others floating unless otherwise specified. parameters symbol test condition min. typ. max. unit input operation voltage vin 5 40 v shutdown supply current i stby v en =0v 70 100 ua quiescent supply current i q v en =2v, v fb =vin 2.5 5 ma oscillator frequency fosc 176 220 264 khz sw ovp v sw v fb =0v 60 v switch current limit i l v fb =0v 5 a output power nmos rdson vin=12v, i sw =5a 110 120 mohm high (regulator on) 1.4 v en pin threshold v en low (regulator off) 0.8 v i h v en =2v (on) 3 10 ua en pin input leakage current i l v en =0v (off) 3 10 ua max. duty cycle d max v fb =0v 90 %
XL6019 220khz 60v 5a switching current boost / buck-boost / inverting dc/dc converter rev 1.0 www.xlsemi.com 6 typical system application (recomme nd output current safe work range) 567891011 0 100 200 300 400 500 600 700 800 900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 recommend output current safe work range ouput current(ma) input voltage(v) vout=12v 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 0 200 400 600 800 1000 1200 1400 1600 1800 2000 2200 2400 2600 recommend output current safe work range output current(ma) input voltage(v) vout=24v figure5.max output current (vout=12v) figure6.max output current (vout=24v) 10 12 14 16 18 20 22 24 26 28 30 32 0 200 400 600 800 1000 1200 1400 1600 1800 2000 2200 2400 2600 recommend output current safe work range ouput current(ma) input voltage(v) vout=36v 20 22 24 26 28 30 32 34 36 38 40 0 100 200 300 400 500 600 700 800 900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 recommend output current safe work range output current(ma) input voltage(v) vout=48v figure7.max output current (vout=36v) figure8.max output current(vout=48v)
XL6019 220khz 60v 5a switching current boost / buck-boost / inverting dc/dc converter rev 1.0 www.xlsemi.com 7 typical system application(vin=12v,vout=24v) 9- $ 7*/ (/% 7*/ 48 &/ 0/ 0'' -v)" %.#3% 3 , $065 v'7 3 , $*/ v'7 $ '# figure9. XL6019 typical system ap plication (vin=12v,vout=24v) 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 50 55 60 65 70 75 80 85 90 95 100 efficiency vs output current efficiency(%) output current(a) vin=12v,vout=24v figure10. XL6019 system efficiency curve (vin=12v, vout=24v)
XL6019 220khz 60v 5a switching current boost / buck-boost / inverting dc/dc converter rev 1.0 www.xlsemi.com 8 typical system application(vin=5v,vout=12v) figure11. XL6019 typical system a pplication (vin=5v,vout=12v) 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 50 55 60 65 70 75 80 85 90 95 efficiency vs output current efficiency(%) output current(a) vin=5v,vout=12v figure12. XL6019 system efficiency curve (vin=5v, vout=12v)
XL6019 220khz 60v 5a switching current boost / buck-boost / inverting dc/dc converter rev 1.0 www.xlsemi.com 9 typical system application(vin=10~32v,vout=36v) figure13. XL6019 typical system a pplication (vin=10~32v,vout=36v) 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 50 55 60 65 70 75 80 85 90 95 100 efficiency vs output current efficiency(%) output current(a) vin=12v,vout=36v vin=24v,vout=36v figure14. XL6019 system efficiency curve (vin=10~32v, vout=36v)
XL6019 220khz 60v 5a switching current boost / buck-boost / inverting dc/dc converter rev 1.0 www.xlsemi.com 10 typical system application(vin=20~40v,vout=48v) 9- $ 7*/ (/% 7*/ 48 &/ 0/ 0'' -v)" %#$ 3 , $065 v'7 3 , $*/ v'7 $ '# figure15. XL6019 typical system a pplication (vin=20~40v,vout=48v) 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 50 55 60 65 70 75 80 85 90 95 100 efficiency vs output current efficiency(%) output current(a) vin=24v,vout=48v vin=36v,vout=48v figure16. XL6019 system efficiency curve (vin=20~40v, vout=48v)
XL6019 220khz 60v 5a switching current boost / buck-boost / inverting dc/dc converter rev 1.0 www.xlsemi.com 11 typical system application(vin=10~30v,vout=12v) figure17. XL6019 typical system a pplication (vin=10~30v,vout=12v) typical system application(vin=10~30v,vout= 12v) XL6019 $ -" 7*/ (/% 7*/ 48 &/ 0/ 0'' 4&1*$ $powfsufs *oqvu7_7 0vuqvu7" 7065 33
%#$ 3 , $065 v'7 3 , 70657 $*/ v'7 $ '# $%$v'7 -# %#$ 70657 $ v'7 $ v'7 -$ figure18. XL6019 typical system application (vin=10~30v,vout= 12v)
XL6019 220khz 60v 5a switching current boost / buck-boost / inverting dc/dc converter rev 1.0 www.xlsemi.com 12 package information to263-5l dimensions in millimeters dimensions in inches symbol min max min max a 4.440 4.650 0.175 0.183 b 0.710 0.970 0.028 0.038 c 0.360 0.640 0.014 0.025 c2 1.255 1.285 0.049 0.051 d 8.390 8.890 0.330 0.350 e 9.960 10.360 0.392 0.408 e 1.550 1.850 0.061 0.073 f 6.360 7.360 0.250 0.290 l 13.950 14.750 0.549 0.581 l2 1.120 1.420 0.044 0.056
XL6019 220khz 60v 5a switching current boost / buck-boost / inverting dc/dc converter rev 1.0 www.xlsemi.com 13 important notice xlsemi reserve the right to make modifications , enhancements, improvements, corrections or other changes without notice at any time. xlsemi does not assume any liability arising out of the application or use of any product describe d herein; neither does it convey any license under its patent rights, nor the rights of others. xlsemi assumes no liability for applications assistance or the design of buyers? products. buyers are responsible for their pr oducts and applications using xlsemi components. to minimize the ri sks associated with buyers? products and applications, buyers should provide adequate design and operating safeguards. xlsemi warrants performance of its products to the speci fications applicable at the time of sale, in accordance with the warranty in xlsemi?s term s and conditions of sale of semiconductor products. testing and other quality control tec hniques are used to the extent xlsemi deems necessary to support this warranty. except where mandated by applicable law, testing of all parameters of each component is not necessarily performed. for the latest product information, go to www.xlsemi.com.

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