TPS54418 Step-Down Converter IC

The TPS54418 Step-Down Converter IC from Texas Instruments is a 4A synchronous step-down DC/DC converter optimized for high-efficiency power management in compact systems. Operating from an input range of 2.95V to 6V, it delivers a stable, adjustable output with excellent load and line regulation.

It features a 1.6MHz switching frequency, integrated high- and low-side MOSFETs, and D-CAP2™ control for fast transient response without external compensation. Built-in protection includes thermal shutdown, UVLO, and overcurrent protection, ensuring reliable performance.

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Step-Down Converter • Input Voltage: 2.95V–6V • Output Current: 4A • Frequency: 1.6MHz • Package: 10-Pin WSON