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The RT5801 series products are synchronous step-down converters with 4-phase capability, allowing for both multiphase and single-phase operations. These products offer a wide range of configuration options. The RT5801 provides triple outputs with 2+1+1 phase, while the RT5801 offers quad outputs with 1+1+1+1 phase. The RT5801 provides dual outputs with 3+1 phase, and the RT5801 offers a single output with 4-phase. Lastly, the RT5801 provides dual outputs with 2+2 phase. This flexibility and high integration make the RT5801 series suitable for various applications that require high current and compact power management solutions, such as low-power processors, I/O power, the core power of FPGA, DSP, and other ASICs. With an input voltage range of 3V to 5.5V, these converters are compatible with a wide variety of low voltage systems. They can deliver up to 20A peak current and support output voltages ranging from 0.4V to 1.55V.The RT5801 series products also offer programmable functions, including voltage level, voltage change slew rate, and soft-start slew rate, which can be controlled through an I²C interface operating at up to 3.4MHz. Additionally, these products support remote-sense function to ensure accurate output voltage under heavy loads. They are equipped with interrupt and fault-detection functions to report any error status. The RT5801 series products are available in a WL-CSP-54B 2.69x3.92 (BSC) package.The recommended junction temperature range is -40°C to 125°C.

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