Description
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.
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 Large Synchronous Rectifier
MOSFETs.
- Power Good Indicator.
- Cycle-by-Cycle Current Limit.
- Over-/Under-Voltage Protection.
- Thermal Shutdown.
- RT6543A : Slew Down Mode as VID Change.