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LED driver suits backlighting applications

Tue, 08/20/2013 - 10:15am

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Advanced Power Electronics has launched a new step-up converter capable of efficiently driving up to eight white LEDs in series for backlighting applications. The APE1612-3 uses current mode, 1.2MHz fixed frequency architecture to regulate the LED current, which is set using an external current sense resistor.

The APE1612-3 features a low 300mV feedback voltage that reduces power loss and improves efficiency. The OV pin monitors the output voltage and turns off the converter if an over-voltage condition is present due to an open circuit condition. The APE1612-3 includes under-voltage lockout, current limiting and thermal shutdown protection preventing damage from an output overload.

The APE1612TY-HF-3 is shipped in a small RoHS/REACH-compliant TSOT-26 package. More data is available at http://www.a-powerusa.com/docs/APE1612-3.pdf

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