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The RT6233A/B is a high-efficiency, monolithic synchronous step-down DC/DC converter that can deliver up to 3A peak output current from a 4.5V to 18V input supply. The RT6233A/B adopts ACOT architecture to allow the transient response to be improved and keep in constant frequency. Cycle-by-cycle current limit provides protection against shorted outputs and soft-start eliminates input current surge during start-up. Fault conditions also include output under voltage protection, output over current protection, and thermal shutdown.
Integrated 195mΩ/105mΩ MOSFETs
4.5V to 18V Supply Voltage Range
500kHz Switching Frequency
ACOT Control
0.8V ± 1.5% Voltage Reference
Adjustable Soft-Start
Power Good Indicator
Monotonic Start-Up into Pre-biased Outputs
Input Under-Voltage Lockout
Over-Current Protection and Hiccup
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