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New Products
September 13, 2012
Compact Linear LED Driver from Diodes Incorporated Suits Low-Current Lighting Systems
Delivering a constant current of up to 150mA, the AL5812 60V linear LED driver from Diodes Incorporated provides designers of low-current illumination and signage applications with a simplified circuit solution for accurately controlling 1/2W LEDs. Housed in small-footprint, thermally enhanced SM package options, the driver is able to meet power-handling requirements over a wide supply voltage and ambient temperature range.
LED current is set using a high value resistor on the driver's low voltage, 0.5V RSET pin, enabling the specification of a lower cost, smaller footprint resistor to reduce total system BOM cost. A standard low-value decoupling capacitor is the only other external component needed. The driver maintains an LED current accuracy to a tolerance of 3%.
Offered in the exposed pad MSOP-8EP and U-DFN3030-6 packages, the AL5812 drives up to 16 low-power LEDs, with its open-drain output handling a swing from 1V to 60V. The driver's industrial temperature range of -40°C to +125°C means it readily accommodates high luminaire operating temperatures.
Related: TDK Expands Portfolio of Automotive-Grade C0G Mid-Voltage MLCCs
The AL5812 linear LED driver from Diodes Incorporated is available for $ 0.2 USD each in 1k quantities.
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