23V, 14A High Efficiency Synchronous Buck Converter

The RT6335A is a synchronous buck converter with an output current that can achieve up to 14A of continuous current. It operates within an input voltage range of 4.5V to 23V and offers a fixed output voltage of 0.77V.The RT6335A features an Advanced Constant On-Time (ACOT^®) control architecture, which provides ultra-fast transient response and further reduces the external component count. In steady states, the ACOT^® operates at nearly constant switching frequency over line, load, and output voltage ranges, making the EMI filter design easier.The RT6335A offers programmable switching frequency, valley current limit. It also includes operating mode selection for DEM/FCCM, where DEM provides high light load efficiency and FCCM provides low output ripple voltage. Additionally, it provides a power-good indicator for easy system sequence control. Full protection features are integrated in the device, including Current-Limit Protection, OVP, UVP, input UVLO, and OTP. All above functions are integrated in a VQFN-19TL 3x4 (FC) package. The recommended junction temperature range is -40°C to 125°C.