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Adding Intelligence to Lighting Applications
Driving LEDs with a SEPIC Regulator
The Single-Ended Primary Inductance Converter (SEPIC) regulator topology uses an additional inductor, but provides the following advantages for battery powered applications:
• The converter can buck or boost as the input voltage changes.
• The circuit topology provides inherent short-circuit protection due to the use of a coupling capacitor.
MCP1651 3W White LED Demonstration Board
Demonstrates the MCP165X Boost Controller product family in a battery-powered white LED application with an input voltage range of 2.0V to 4.5V.
Battery Input to 3.6V 3W LED Driver (SEPIC Converter)
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