Irvine, Calif. - Microsemi Corp.'s white-LED driver, the LX1995, is available in two efficient, space-saving versions: the LX1995-1 with a switch current of 325 mA for up to six LEDs; and the LX1995-2 with a switch current of 500 mA for up to ten. The boost converter, which offers automatic brightness control when used with the company's visible-light sensors such as the LX1971 and LX1972, comes in one of the industry's thinnest 5-pin packages - the 1-mm high thin-shrink small-outline TSOT. Additionally, it uses the smallest-sized external inductor and filter capacitors available, according to the company, to further cut board space.
"We designed the LX1995 with greater than 85 percent efficiency over a wide output power range, making it ideal for portable displays with day and night usage," said Paul Bibeau, vice president and general manager of the Integrated Products Group. "Its low quiescent current and shutdown current specifications promote superior performance in the battery-operated systems we're targeting." These include wireless phones, pagers, digital cameras, GPS receivers and PDAs.
The LX1995 is also available in the 1.3-mm high SOT-23 package, for applications where conserving board real-estate isn't as critical. The ICs are available for immediate sampling and delivery, with 10k quantity pricing at 58 cents for the TSOT offering and 50 cents for the SOT-23. Samples and evaluation boards are available.