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4-switch synchronous buck-boost controller IC regulates voltage and charges batteries in LED applications

4-switch synchronous buck-boost controller IC regulates voltage and charges batteries in LED applications

Technology News |
By eeNews Europe



In many cases, a step-up and step-down topology is needed due to the voltage variation of both the LED string and the input source. In this case, a 4-switch synchronous buck-boost controller is the best solution for its efficiency and small circuit size. Linear Technology’s LT®3791 is a buck-boost controller IC that drives LED strings from an input voltage up to 60 V to an output voltage up to 60 V.

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