RT6543A Datasheet (Richtek) - High Efficiency Single Synchronous Buck PWM Controller

RT6543A, High Efficiency Single Synchronous Buck PWM Controller

The RT6543A/B PWM controller provides high efficiency, excellent transient response, and high DC output accuracy for stepping down high voltage batteries to generate low voltage CPU core, I/O, and chipset RAM.

The RT6543A/B supports on chip voltage programming function between 0V and 1.8V by control

RT6543A Features

* A High Efficiency Step-Down DC-DC Controller

* Built-in 1% Reference Voltage

* 2-Bit Programmable Output Voltage with Integrated

* Adjustable Switching Frequency

* Input Voltage Range : 3V to 24V

* Internal Soft-Start to Reduce Inrush Current

* Capability of Driving Lar