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Miniature DC-DC converter with 3V to 20V input voltage

26 Jul 2013

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A miniature DC-DC converter supporting boost, buck and voltage-inverting circuit topologies for LED lighting and general purpose power management was recently unveiled by Diodes Inc. The AL8811 comes in a 3.0x4.9x1.1mm MSOP-8L package and requires minimal external components, reducing both circuit footprint and BOM cost.

With a wide 3V to 20V input voltage operating range and an output voltage up to 36V, the AL8811 is suitable for an array of different 12V AC lighting applications. The device's shut-down current is also very low at 0.01µA typical, while its maximum output switch current is 1.6A. Comprising an internal temperature-compensated reference, a controlled duty cycle oscillator with an active current-limit circuit, driver and high-current output switch, the AL8811 provides designers with a versatile solution for DC-DC conversion circuits.

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