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RT9226B

Part Number	RT9226B
Manufacturer	Richtek
Description	Synchronous PWM Step-Down DC/DC Converter Controller
Published	Mar 30, 2015
Detailed Description	Preliminary RT9226B Synchronous PWM Step-Down DC/DC Converter Controller General Description The RT9226B is a low cos...
Datasheet	RT9226B PDF File

Overview

Preliminary RT9226B Synchronous PWM Step-Down DC/DC Converter Controller General Description 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 ...

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