View XL8002_7767476.PDF datasheet online --- IC-ON-LINE

Datasheet File OCR Text:

xlsemi preliminary datasheet 80v 1a high efficiency buck pfm led constant current driver XL8002 rev 1.0 www.xlsemi.com 1 features n operation voltage dc 12v~80v. n 0.1v current sense voltage reference. n directly drive 1~18 series 1w/3w led. n excellent line and load regulation. n internal optimize power hv-mosfet. n built in thermal shutdown function. n built in current limiting function. n built in soft-start circuit. n available in to263-5l package. n up to 98% efficiency. applications n led lighting & led lamp n general purpose led lighting general description the XL8002 is a monolithic high voltage switching regulator with pfm that is specifically designed to operate from a 12v~80v dc power supply. the XL8002 is a high efficiency led driver switching regulator. the led string is driven at dc constant current rather than constant voltage, thus providing constant light output and enhanced reliability. figure1. package type of XL8002 free datasheet http://
xlsemi preliminary datasheet 80v 1a high efficiency buck pfm led constant current driver XL8002 rev 1.0 www.xlsemi.com 2 pin configurations figure2. pin configuration of XL8002 (top view) table 1 pin description pin number pin name description 1 start internal soft start pin. 2 vreg internal voltage regulation pin. (the vreg is about 8v) 3 vin input high voltage pin. (operation voltage 12v~80v) 4 csn current sense negative pin. 5 csp current sense positive pin. (the current sense voltage is 0.1v) the back exposed pad is vin free datasheet http://
xlsemi preliminary datasheet 80v 1a high efficiency buck pfm led constant current driver XL8002 rev 1.0 www.xlsemi.com 3 function block figure3. function block diagram of XL8002 typical application circuit figure4. XL8002 typical application free datasheet http://
xlsemi preliminary datasheet 80v 1a high efficiency buck pfm led constant current driver XL8002 rev 1.0 www.xlsemi.com 4 figure5. efficiency vs output n*1w led figure6. output iled load regulation vs output n*1w led free datasheet http://
xlsemi preliminary datasheet 80v 1a high efficiency buck pfm led constant current driver XL8002 rev 1.0 www.xlsemi.com 5 ordering information part number marking id lead free lead free packing type XL8002e1 XL8002e1 tube package temperature range XL8002tre1 XL8002e1 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 90 v power dissipation p d internally limited mw thermal resistance (to263-5ll) (junction to ambient, no heatsink, free air) r ja 30 o c/w operating junction temperature t j -40 to 125 o c storage temperature t stg -65 to 150 o c lead temperature (soldering, 10 sec) t lead 260 o c esd (hbm) >3000 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 indicated in the operation is not implied. exposure to absolute maximum rating conditions for extended periods may affect reliability. free datasheet http://
xlsemi preliminary datasheet 80v 1a high efficiency buck pfm led constant current driver XL8002 rev 1.0 www.xlsemi.com 6 XL8002 electrical characteristics t a = 25 ;unless otherwise specified. reference test circuit figure4 symbol parameter test condition min. typ. max. unit vcsp csp voltage vin=72v; iled=300ma; series 1~18 1w led 96 100 104 mv efficiency ? vin=72v; iled=300ma; pout=16w - 98 - % electrical characteristics (dc parameters) parameters symbol test condition min. typ. max. unit input operation voltage vin 12 80 v switching frequency fosc figure4 (12*1w) vin=72v 102 127 152 khz max. duty cycle d max 85 % vdmos drain-source breakdown voltage v brds v gs =0v, i ds =250ua 90 v vdmos drain-source on resistor r dson i ds =1a, v gs =8v 100 120 mohm thermal shutdown otp tj 160 0 c thermal shutdown window 20 0 c free datasheet http://
xlsemi preliminary datasheet 80v 1a high efficiency buck pfm led constant current driver XL8002 rev 1.0 www.xlsemi.com 7 [1] typical system application (vin=60v~80v) figure7. XL8002 system application at vin=60v~80v schematic figure8. XL8002 system application at vin=60v~80v efficiency curve free datasheet http://
xlsemi preliminary datasheet 80v 1a high efficiency buck pfm led constant current driver XL8002 rev 1.0 www.xlsemi.com 8 table1: figure7 input vin=60v/72v/80v system parameters table: vin=60v vin=72v vin=80v led string 1w*n fosc pout efficiency fosc pout efficiency fosc pout efficiency 1 27.54k 1.04w 78.7% 25.41k 0.97w 78.9% 28.84k 1.14w 50.8% 2 45.90k 1.99w 87.4% 45.76k 2.02w 87.4% 46.98k 2.09w 62.2% 3 61.79k 2.94w 90.7% 61.10k 2.89w 89.2% 63.69k 3.04w 71.6% 4 74.70k 3.83w 92.4% 75.13k 3.79w 90.6% 78.04k 3.92w 76.6% 5 85.92k 4.75w 93.1% 87.70k 4.70w 91.8% 91.51k 4.85w 80.7% 6 94.64k 5.63w 93.8% 98.50k 5.61w 93.7% 103.35k 5.78w 82.9% 7 101.06k 6.48w 94.8% 107.44k 6.45w 93.2% 113.48k 6.66w 84.9% 8 105.65k 7.36w 95.1% 114.66k 7.37w 94.0% 121.91k 7.52w 86.2% 9 108.26k 8.21w 95.7% 120.15k 8.24w 94.6% 129.09k 8.39w 85.9% 10 109.06k 9.10w 96.0% 124.10k 9.13w 95.3% 134.73k 9.29w 87.9% 11 107.72k 10.01w 96.5% 126.54k 10.12w 95.6% 138.71k 10.16w 88.7% 12 104.57k 10.91w 97.2% 126.90k 10.97w 95.9% 141.32k 11.03w 90.0% 13 98.61k 11.92w 97.5% 125.62k 11.92w 96.2% 142.28k 12.00w 90.2% 14 88.21k 12.92w 97.4% 122.06k 12.94w 96.6% 141.32k 13.02w 89.8% 15 74.63k 13.87w 98.4% 116.52k 13.94w 97.2% 137.62k 13.95w 90.2% 16 46.44k 15.62w 98.6% 99.20k 15.77w 97.7% 121.04k 15.84w 92.0% 17 89.37k 16.69w 97.8% 113.56k 16.37w 92.6% 18 75.17k 17.64w 97.9% 103.65k 17.36w 93.5% [2] typical system application (vin=36v~60v) figure9. XL8002 system application at vin=36v~60v schematic free datasheet http://
xlsemi preliminary datasheet 80v 1a high efficiency buck pfm led constant current driver XL8002 rev 1.0 www.xlsemi.com 9 figure10. XL8002 system application at vin=36v~60v efficiency curve table2: figure9 input vin=36v/48v system parameters table: vin=36v vin=48v led string 1w*n fosc pout efficiency fosc pout efficiency 1 28.83k 1.09w 82.0% 29.18k 1.10w 82.0% 2 45.06k 2.05w 90.2% 46.81k 2.06w 87.4% 3 56.98k 2.99w 92.3% 61.45k 2.98w 90.1% 4 64.58k 3.88w 93.6% 72.05k 3.88w 92.9% 5 68.53k 4.77w 94.8% 80.32k 4.76w 94.5% 6 68.66k 5.68w 96.3% 85.95k 5.65w 94.9% 7 65.21k 6.57w 96.6% 88.95k 6.52w 95.7% 8 58.26k 7.36w 96.0% 89.37k 7.38w 96.2% 9 48.75k 8.33w 97.7% 87.31k 8.24w 96.5% 10 34.20k 9.29w 98.3% 82.56k 9.14w 97.2% 11 74.92k 10.06w 97.6% 12 62.77k 10.92w 96.1% free datasheet http://
xlsemi preliminary datasheet 80v 1a high efficiency buck pfm led constant current driver XL8002 rev 1.0 www.xlsemi.com 10 [3] typical system application (vin=12v~36v) figure11. XL8002 system application at vin=12v~36v schematic figure12. XL8002 system application at vin=12v~36v efficiency curve table3: figure11 input vin=12v/24v system parameters table: vin=12v vin=24v led string 1w*n fosc pout efficiency fosc pout efficiency 1 22.75k 1.06w 84.2% 26.42k 1.01w 82.3% 2 24.18k 2.02w 92.8% 39.74k 1.96w 90.8% 3 10.37k 3.10w 96.4% 46.63k 2.91w 94.1% 4 47.25k 3.80w 95.5% 5 42.17k 4.70w 96.6% 6 31.13k 5.61w 97.2% free datasheet http://
xlsemi preliminary datasheet 80v 1a high efficiency buck pfm led constant current driver XL8002 rev 1.0 www.xlsemi.com 11 [4] typical system application (vin=60v~80v, output series 3w led) figure13. XL8002 system application at vin=60v~80v schematic figure14. XL8002 system application at vin=60v~80v efficiency curve free datasheet http://
xlsemi preliminary datasheet 80v 1a high efficiency buck pfm led constant current driver XL8002 rev 1.0 www.xlsemi.com 12 table4: figure13 input vin=60v/72v system parameters table: vin=60v vin=72v led string 3w*n fosc pout efficiency fosc pout efficiency 1 29.69k 3.09w 76.8% 30.19k 3.31w 77.9% 2 49.15k 6.04w 85.8% 49.44k 6.28w 85.4% 3 67.05k 8.92w 86.8% 66.47k 9.19w 89.1% 4 79.4k 11.68w 91.7% 80.02k 11.76w 90.6% 5 90.69k 14.40w 93.3% 92.67k 14.47w 92.1% 6 99.29k 16.99w 94.0% 103.38k 17.11w 93.1% 7 105.99k 19.68w 94.7% 112.28k 19.72w 94.0% 8 110.14k 22.24w 95.2% 119.03k 22.30w 94.3% 9 112.33k 24.62w 94.1% 124.22k 24.90w 94.9% 10 112.21k 27.43w 96.2% 127.71k 27.42w 95.1% 11 110.21k 29.95w 96.4% 129.3k 30.02w 95.8% 12 106.33k 32.32w 96.9% 129.88k 32.44w 95.9% 13 100.82k 34.72w 97.0% 125.21k 35.28w 96.2% 14 92.68k 37.37w 97.4% 122.24k 37.92w 96.9% 15 119.06k 40.50w 96.9% 16 112.73k 42.86w 97.3% 17 103.35k 45.47w 97.6% 18 93.18k 47.89w 97.6% schottky diode selection table vr 1a 3a 20v 1n5817 ss32 sk32 1n5820 mbr320 sr302 30v 1n5818 ss33 sk33 1n5821 mbr330 sr303 40v 1n5819 ss34 sk34 1n5822 mbr340 sr304 50v ss35 sk35 mbr350 sr305 60v ss36 sk36 mbr360 sr306 70v ss37 sk37 sr307 80v ss38 sk38 sr308 90v ss39 sk39 sr309 100v ss310 s310 sr310 free datasheet http://
xlsemi preliminary datasheet 80v 1a high efficiency buck pfm led constant current driver XL8002 rev 1.0 www.xlsemi.com 13 package information to263-5l free datasheet http://

▲Up To Search▲

Price & Availability of XL8002

	To Download XL8002 Datasheet File
If you can't view the Datasheet, Please click here to try to view without PDF Reader .