RT8237M Datasheet (Richtek) - High Efficiency Single Synchronous Buck PWM Controller

RT8237M, High Efficiency Single Synchronous Buck PWM Controller

The RT8237M PWM controller provides high efficiency, excellent transient response, and high DC output accuracy needed for stepping down high-voltage batteries to generate low voltage CPU core, I/O, and chipset RAM supplies in notebook computers.

The constant on-time PWM control scheme handles wide i

RT8237M Features

* Wide Input Voltage Range: 4.5V to 26V

* Output Voltage Range: 0.7V to 3.3V

* Built-In 0.5% 0.7V Reference Voltage

* Quick Load-Step Response within 100ns

* 4700ppm/C Current Source for Current Limit RDS(ON)

* Adjustable Current Limit with Low-Side MOSFET

* Four Selecta