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2007-05-28 Tiny LED drivers tackle high-power tasks
Operating under a 6-60V input supply and achieving up to 95 percent efficiency, the ZXLD1362 from Zetex Semiconductors can drive up to 16 high power LEDs with an adjustable output current of up to 1A.
2007-05-08 Self-protecting MOSFETs provide diagnostic feedback
Zetex Semiconductors has introduced what it claims as the first low side self-protecting MOSFETs in a SOT223 package designed to provide diagnostic feedback via a separate status pin.
2007-10-22 MR16 LED chipset saves board real-estate
Zetex Semiconductors says it has developed a novel dedicated chipset and reference design for MR16-compatible LED lamps that can reduce the component count of existing solutions by up to 50 percent.
2007-09-27 Low-voltage PNP transistors suit slim portable apps
Zetex Semiconductors has added a pair of low voltage PNP transistors to its low saturation high current SOT23FF transistor range for the slimline portable product designs.
2007-05-07 LED lighting driver delivers high power density
Providing an adjustable output current of 1A from an SOT23 package, the ZXLD1360 LED lighting driver from Zetex Semiconductors promises high power density for high-power illumination applications.
2005-07-18 Digital feedback pulls class D into high-end audio
Earlier this year, Zetex Semiconductors plc announced the development of an amplifier technology that it claims is so different that it warrants the creation of its own new class-one that Zetex calls "class Z."
2008-06-02 Detector driver improves power efficiency
Zetex's ZXGD3101, a zero point detector driver, enables designers to replace Schottky diodes with surface mount MOSFETs and incorporates a high-voltage differential amplifier stage and a high-current driver in a compact SM8 package
2007-12-13 Current monitor simplifies high-voltage circuit protection
Zetex's ZXCT1080 current monitor provides a simple solution for high-side current sensing in a wide range of high-voltage circuit protection duties in automotive, industrial motor control and power supply applications
2007-09-07 Current monitor offers improved temperature drift
The new current monitor from Zetex has improved temperature drift characteristics to help reduce calibration requirements by maintaining accuracy over a wide temperature range
2007-06-29 Current monitor measures accurate short circuit current
Zetex Semiconductors has introduced its latest product offering, the ZXCT1050 current monitor.
2008-03-19 Cooler MOSFET improves power density
A leadless MOSFET from Zetex Semiconductors provides a 50 percent smaller footprint than SOT23 packaged devices, and 40 percent lower thermal resistance compared to comparable parts, according to the company.
2007-08-24 Bipolar transistors drive MOSFET gates faster
Zetex claims that its bipolar transistors can drive MOSFET gates faster and more efficiently than CMOS IC alternatives
2007-07-02 Use current monitors for accurate measurement
Many modern electronic systems now require some form of current measurement to improve power dissipation, efficiency and reliability. They range from LED driving to portable equipment to power supplies of all sizes.
2008-06-10 Lithium-ion battery charging using bipolar transistors
This application note by Khagendra Thapa discusses linear charge techniques and associated discrete pass elements. It highlights the dominant discrete parameters and selection criteria.
2008-07-16 Hysteretic converters for multiple LED lighting
Hysteretic converters are used to drive LEDs in lamp replacement and emerging lighting applications. The ease of use and inherent stability of the topology make it a first choice for efficient inductive switching regulator solutions. The simple topology can be used in different configurations or other unintended external applications.
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