ZXLD1320 - Buck mode DC-DC converter for led driving with 1.5A output and current control

Product description The ZXLD1320 is an inductive DC-DC  converter, with an internal switch, designed  for driving single or multiple LEDs in series up  to a total of 1.5A output current.  Applications cover both commercial and  automotive environments with input voltages  ranging from 4V to 18V. Depending upon  supply voltage and external components, this  can provide up to 24W of output power.

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Features Step-down LED driver 4V to 18V input voltage range Up to 1.5A output current Typical efficiency# > 85% User-defined thermal control of LED output current using external thermistor High output current stability over input voltage and temperature 12µA typical standby current LED current adjustable from 100% down to 2% Adjustable soft-start Power 'OK' flag output Capable of driving 4 LEDs in series

Applications Low voltage halogen lamp replacement with LEDs High Power LED flashlight LED back-up lighting General LED lighting Automotive Lighting

Ordering information

Order reference	Tolerance (%)	Package	Part mark	Status	Reel size	Quantity per reel	Tape width	Price ($) 1k†	Purchase
ZXLD1320DCATC	5%	TDFN1443	1320	Active	13"	3000	12mm	1.300

† Indicative/budgetary information

This product is Pb-free/ROHS - compliant (EC directive 2002/95/EC).
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Design tools

Application notes AN64 - Common anode topology with Zetex hysteretic converters Spice model

Package information

TDFN1443 Package information (182 Kb) containing Package dimensions Pad layout Reflow Soldering Profile (88 Kb) Wave Soldering Profile (87 Kb) Moisture Sensitivity Level for ZXLD1320 = 1

Chemical content reporting

Press release

Driver family meets demands of next generation LEDs