Buck-Boost LED Drivers
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Buck-Boost LED Drivers

Analog Devices buck-boost LED drivers allow LED bias when the input voltage is either above or below the LED voltage. This is ideal in cases such as a single cell lithium-ion (Li-Ion) battery driving a single LED where the input voltage can vary from 4.2 V fully charged down to 2.7 V fully depleted, while the LED forward voltage can vary from 2 V to 4 V depending on brightness and temperature. Our LED drivers offer the highest efficiency, lowest noise, and the smallest footprints. Our synchronous 4-switch Buck-Boost LED Driver architecture transitions between buck, pass-through and boost operating modes seamlessly, offering a well-regulated output despite the wide variations of the input voltage. Other differentiating features include integrated Schottky diodes, accurate LED current matching, and multiple output capability.
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Analog Devices buck-boost LED drivers allow LED bias when the input voltage is either above or below the LED voltage. This is ideal in cases such as a single cell lithium-ion (Li-Ion) battery driving a single LED where the input voltage can vary from 4.2 V fully charged down to 2.7 V fully depleted, while the LED forward voltage can vary from 2 V to 4 V depending on brightness and temperature. Our LED drivers offer the highest efficiency, lowest noise, and the smallest footprints. Our synchronous 4-switch Buck-Boost LED Driver architecture transitions between buck, pass-through and boost operating modes seamlessly, offering a well-regulated output despite the wide variations of the input voltage. Other differentiating features include integrated Schottky diodes, accurate LED current matching, and multiple output capability.
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