TPS6223x Ultra Small Step-Down Converter

Texas Instruments TPS6223x Ultra-Small Step-Down Converter is a high-frequency, synchronous, step-down DC-DC converter optimized for battery-powered portable applications. These devices support up to 500mA output current and allow the use of tiny and low-cost chip inductors and capacitors. With a wide input voltage range of 2.05V to 6V, the devices support applications powered by Li-Ion batteries with an extended voltage range. The minimum input voltage of 2.05V allows the device to operate from Li-primary or two alkaline batteries. Different fixed output voltage versions are available from 1.0V to 3.3V. The TPS6223x series features a switching frequency of up to 3.8MHz. The converter operates in pulse width modulation (PWM) mode at medium to heavy loads. The Texas Instruments TPS6223x automatically enters power-save mode operation at light load currents to maintain high efficiency over the entire load current range.