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www.diodes.com Issue Number │001 February 2012 Announcement New Product ZXLD1371 The Diodes’ Advantage The ZXLD1371 provide simple high reliability solution for driving multiple extremely high brightness LEDs in multiple topologies

Applications

 3+W Buck LED Driver  Daylight Running Lamps  1W/3W Boost LED Driver  1W/3W Buck-boost LED Driver Operates down to 5.0V Provides wider transient operating voltage range supporting applications that require this. High accuracy LED control: 1% reference tolerance Better brightness control and matching between lamps 60V maximum input voltage range Safely operates from 12V AC/DC, 24VAC/DC and 48V rails. Drives up to 15 LEDs in Buck & in excess of 20 LEDs in series in Boost. Supports most Load Dump requirements Multi-topology device 1 device can be used in buck lighting, boost light and buck-boost lighting apps. LED thermal management via external thermistor Improves reliability of LED lamps. Separate 1000:1 PWM dimming capability Improves dynamic range of dimming at lower light levels. LED Driver Controller Handles More Demanding Lighting Applications The ZXLD1371 is a high accuracy LED driver controller; the LED load current that can be delivered is dependent on the external MOSFET. The ZXLD1371 with its unique architecture, utilizing only one current sense resistor, can be used as a:  Buck converter  Boost converter  Buck- Boost converter The ZXLD1371 extends the minimum input voltage of the ZXLD1370 down to 5.0V; this allows it operate at lower input voltages than the ‘1370’ making it better suited to applications that are subjected to large variances in their input voltages; for example automotive lighting and 12V AC powered systems. Its 60V maximum input voltage enables it to comfortably operate from 48V rails and in Boost mode can drive LED chain voltages greater than 60V

www.diodes.com ,VVXH1XPEHUŇ )HEUXDU\\ $QQRXQFHPHQW 1HZ3URGXFW =;/' 3URGXFWSRUWIROLR 2UGHULQJLQIRUPDWLRQ Device Packaging Pack mark Reel size Tape width Quantity ZXLD1371EST16TC ZXLD1371QESTTC TSSOP-16-EP ZXLD 1371 YYWW 13” 330mm 15mm 2500 To find out more information: Product page http://www.diodes.com/products/catalog/detail.php?item-id=8731 Datasheet http://www.diodes.com/datasheets/ZXLD1371.pdf All variants are in packages that are “Green” Molding Compound (No Br, Sb) with Lead Free Finish/RoHS Compliant ZXLD1350 ZXLD1352 ZXLD1360 ZXLD1356 ZXLD1362 ZXLD1366 ZXLD1370 ZXLD1371 ZXLD1374 Temp range -40 ~ 105 oC -40 ~125oC -40 ~ 125oC -40 ~ 125oC -40 ~ 125oC -40 ~ 125oC -40 ~ 125oC VIN 7 ~ 30V 7 ~ 30V 6 ~ 60V 6 ~ 60V 60V6.3V 60V5.0V 60V6.3V LED Current 380mA 1A 550mA 1A External FET External FET 1.5A Frequency 1MHz 1MHz 1MHz 1MHz 1MHz 1MHz 1MHz Package θJC (oC/W) TSOT23-5 (200) TSOT23-5 (33) TSOT23-5 (33) DFN3030-6 (14) TSOT23-5 (33) DFN3030-6 (14) SO-8EP (7) TSSOP-16EP (23) TSSOP-16EP (23) TSSOP-20EP (4) Topology Buck Buck Buck Buck Buck, Boost, Buck-boost Buck, Boost, Buck-boost Buck, Boost, Buck-boost Dimming Control PWM/DC PWM/DC PWM/DC PWM/DC PWM/DC PWM/DC PWM/DC Status MP MP MP MP MP New Product MP 7\\SLFDO$SSOLFDWLRQ %XFN%RRVW/('GULYHU