RT8878B Overview
The RT8878B is a 4 + 2 phases PWM controller, and is pliant with AMD SVI2 Voltage Regulator Specification to support both CPU core (VDD) and Northbridge portion of the CPU (VDDNB).
RT8878B Key Features
- 4/3/2/1-Phase (VDD) + 2/1/0-Phase (VDDNB) PWM Controller
- 2 Embedded MOSFET Drivers at the VDD Controller
- G-NAVPTM Topology
- Support Dynamic Load-Line and Zero Load-Line
- Diode Emulation Mode at Light Load Condition
- SVI2 Interface to ply AMD Power Management
- Build-in ADC for VOUT and IOUT Reporting
- Immediate OV, UV and NV Protections and UVLO
- Programmable Dual OCP Mechanism
- 0.5% DAC Accuracy