The TPS62684 is a high-frequency synchronous step-down dc-dc converter optimized for
battery-powered portable applications in which high load currents in a very small solution size and
height are required. The TPS62684 is optimized for high efficiency and low output voltage ripple,
supports up to 1600-mA load current and allows the use of low cost chip inductor and capacitors.
With a input voltage range of 3.25V to 5.5V, the device supports applications powered by Li-Ion
batteries as well as 5V rails.
The TPS62684 operates at a 5.5-MHz switching frequency with PWM spread spectrum
capability. For noise-sensitive applications, this provides a lower noise regulated output, as well
as low noise at the input. The device supports a 2.85V fixed output voltage, requiring no external
These features, combined with high PSRR and AC load regulation performance, make this
device suitable to replace a linear regulator to obtain better power conversion efficiency.
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