Synchronous Pwm Step-down Dc/dc Converter Controller

The RT9226B is a low cost, high-efficiency voltage- mode PWM Controller for motherboard power supply application. Synchronous N-Channel MOSFET driver, short-circuit protection, and soft start function are integrated in a single chip. A simple high power buck Regulator with shutdown function CAN be implemented with minimum external components. The RT9226B provides current-limit protection by monitoring the voltage drop across N-channel MOSFET in over current condition, therefore, eliminates the current sensing resistor and minimizes the efficiency loss. The soft start function reduces the stress on power supply and components in power on duration. The 200 kHz operating frequency and high speed PWM control loop with Synchronous N- channel MOSFET driver provide optimized compromise between efficiency, cost, and response speed. Other features include output voltage monitoring for power good indication and over voltage protection. By Unkown
RT9226B 's PackagesRT9226B 's pdf datasheet
RT9226BCS SOP




RT9226B Pinout, Pinouts
RT9226B pinout,Pin out
This is one package pinout of RT9226B,If you need more pinouts please download RT9226B's pdf datasheet.

RT9226B Application circuits
RT9226B circuits
This is one application circuit of RT9226B,If you need more circuits,please download RT9226B's pdf datasheet.


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