RT8237C Datasheet (RICHTEK) - High Efficiency Single Synchronous Buck PWM Controller

RT8237C, High Efficiency Single Synchronous Buck PWM Controller

The RT8237C/D 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 wi

RT8237C 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 Programmable Current Limit by Low Side RDS(ON) Sensing

* 4 Selectable Frequency Setting

* Soft-Start