NCP5393B Description
NCP5393B 2/3/4-Phase Controller for CPU Applications The NCP5393B is a multiphase synchronous buck regulator controller designed to power the Core and Northbridge of an AMD microprocessor. The controller has a user configurable two, three, or four phase regulator for the Core and an independent single phase regulator to power the microprocessor Northbridge. The NCP5393B incorporates differential voltage sensing,...
NCP5393B Key Features
- Meets AMD’s Hybrid VR Specifications
- Up to Four VDD Phases
- Single-Phase VDDNB Controller
- Dual-Edge PWM for Fastest Initial Response to Transient Loading
- High Performance Operational Error Amplifiers
- Internal Soft Start and Slew Rate Limiting
- Dynamic Reference Injection (Patent #US07057381)
- DAC Range from 12.5 mV to 1.55 V
- $0.6% DAC Accuracy from 0.8 V to 1.55 V
- VDD and VDD Offset Ranges 0 mV