Electronic Design

Electronic Design Update: December 1, 2008

Electronic Design UPDATE e-Newsletter | December 1, 2008 | FREE magazine subscription digital or print!


design solution |
Behind The Bright Lights, LED Drivers Evolve To Meet New Requirements
By Randall Restle, Newark

high-brightness LEDs can generate usable levels of light with improved efficiency, longer lifetimes, and smaller dimensions than conventional light sources. Accurate current control is essential for an effective LED lighting solution, and a wide variety of LED driver ICs is available to help engineers optimize their designs.

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focus product |
Broadband Filter/ADC Driver Family Sports High Accuracy

A family of five single and dual low-pass active filter/analog-to-digital converter (ADC) driver amplifier devices from Linear Technology Corp. provides high performance and wide bandwidths.

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MOSFETs Achieve A 0.55-mm Profile

According to Fairchild Semiconductor, its FDMA1027 and FDFMA2P853 can dissipate 60% more power than SC-70 MOSFETs.

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Gen III Power MOSFETs Raze On Resistance

Representing one of three devices in Vishay Intertechnology’s latest MOSFET offerings, the SiR440DP features a maximum on resistance of 2.0 mΩ at a 4.5-V gate drive and 1.55 mΩ at a 10-V gate drive, which the company calls the lowest available for such a device.

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Overvoltage Protection IC Reduces Board Space By 40%

Available in a 3- by 4- by 0.9-mm QFN-22 package, the NUS6189 promises to reduce board space by up to 40% by integrating four separate protection functions.

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Hot-Plug Switch Outfits 12-V Backplanes

The DS4560 self-protected, resettable hot-plug switch promises to reduce the number of components necessary for the safe insertion and removal of systems on 12-V backplanes.

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