High-Efficiency, Single-Inductor, Buck-Boost Converter with 4.2A Switches

The WDC28164 is a high-efficiency, low-quiescent current, buck-boost converter that operates from an input voltage above, equal to, or below the output voltage. The device provides a compact solution for products powered by one-cell Lithium-Ion or multi-cell alkaline batteries where the output volta • 1.8V Minimum Start-Up input Voltage\r\n\r\n• 1.5V to 5.5V Input Work Range\r\n\r\n• 1.5V to 5V Output Range\r\n\r\n• 4.2A Switching Current Limit\r\n\r\n• 3.3V/2A Load Capability from a 2.6V-to-5.5V Input Supply\r\n\r\n• 2MHz Fixed or External Synchronous Switching Frequency\r\n\r\n• Selectable PS;

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High-Efficiency, Single-Inductor, Buck-Boost Converter with 4.2A Switches

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