Technical Features

May 2010

Figure 1: Reference schematic of a buck converter Vin = 24 V; Vout = 5 V

Annika Frankemölle, Alexander Lang / Editor: Gerhard Stelzer, Würth Elektronik

Increasing current densities and short switching times in MOSFETs are placing ever greater stress on the dielectric strength of inductors. Molded inductors with a distributed air gap based on iron powder enable high inductance values in the smallest of spaces and thus increase the power density. A new test con

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Date:

03/31/2025

LED Lighting Variants

Andreas Biss, New Business Development, Sharp Microelectronics Europe, Hamburg

A power-saving, environmentally friendly, long-life, compact and (above all) cost-effective light source - LEDs have created an entirely new generation of lamps. According to the International

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Date:

05/01/2010

Inductors for Illumination

Len Crane, Director - Technical Marketing, Coilcraft

A wide variety of driver circuits is needed to support new LED applications and the demands for high performance are challenging designers to be as creative as possible with new circuit techniques.

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Date:

05/01/2010

Power Factor Perfection

Joël Turchi, ON Semiconductor, Toulouse, France

Most modern power supplies are required to contain the harmonic content of the current they absorb from the line. Practically, regulations request the line current to be nearly sinusoidal and in

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Date:

05/01/2010

LED Lighting Circuit Protection Strategies

Faraz Hasan, Global Marketing & Business Development Manager, Appliance/Industrial/Lighting, Circuit Protection Business Unit, Tyco Electronics

As government agencies, industry and consumers look for ways to reduce energy costs, light-emitting diode (LED) lighting technology is expected to boom. LED technology has advanced rapidly, with

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Date:

05/01/2010