RT8843A
Description
The RT8843A/RT8843B/RT8843D is a 3/2/1 multiphase synchronous buck controller optimized for highperformance graphic microprocessors and supports the nVidia OVR3i+ specification with a PWM-VID interface. It can support both DrMOS with current output and DCR current sensing.
Key Features
- Multi-Phase PWM Controller
- PWM Tri-State Voltage, Pre-Short UVP
- RT8843A: 1.95V, without Pre-Short UVP
- RT8843B: 1.65V, without Pre-Short UVP
- RT8843D: 1.65V, with Pre-Short UVP
- PWM-VID Dynamic Output Voltage Control
- Support 1.8V PWM-VID Interface
- Power State Indicator
- 1-Phase-DEM, Full-Phase DEM, Full-Phase CCM
- External Reference Input Control
