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TI touts 1.8V, 5V channel relay drivers

Posted: 31 Aug 2012 ?? ?Print Version ?Bookmark and Share

Keywords:ULN2003LV? telecommunications equipment? resistor capacitor? relay driver?

Texas Instruments Inc. (TI) has announced what it claims as the industry's first fully-integrated, seven-channel relay driver that can support low-voltage relays from as low as 1.8V up to 5V. The ULN2003LV relay driver replaces discrete components with a single device to drive lower voltages for data relays and rails within telecommunications equipment. Using the ULN2003LV IC, customers can reduce board space by up to 80 percent, while lowering power consumption and cost, boasted the company.

The ULN2003LV features as input resistor capacitor (RC) snubber that greatly improves the driver performance in noisy operating conditions, TI stated. It also has an internal input pull-down resistor that allows input logic to be tri-stated for greater efficiency at higher loads. Seven low-output impedance drivers minimize on-chip power dissipation, providing five times lower power consumption versus the competition, added the company. In addition, the relay's 1.8-5V CMOS logic input interface is compatible with a wider range of MCUs and other logic interfaces.

The ULN2003LV is available in 10 x 4mm, 16-pin SOIC and 5.1 x 4.5mm, 16-pin TSSOP packages. Suggested retail pricing in 100-unit quantities is $0.15.





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