ISL95820 Overview
Green Hybrid Digital Four Phase PWM Controller for Intel VR12.5™ CPUs ISL95820 The ISL95820 Pulse Width Modulation (PWM) controller IC provides a plete low-cost solution for Intel VR12.5™ pliant microprocessor core power supplies. It provides the control and protection for a Voltage Regulator (VR). The VR incorporates 3 integrated drivers and can operate in 4-, 3-, 2or 1-phase configurations.
ISL95820 Key Features
- Serial data bus
- SMBus/PMBus/I2C interface with SVID conflict free
- Configurable 4-, 3-, 2- or 1-phase for the output using three integrated gate drivers
- Green Hybrid Digital R3™ modulator
- Excellent transient response
- Phase shedding with power state selection
- Diode emulation in single-phase for high light-load efficiency
- 0.5% system accuracy over-temperature
- Supports multiple current sensing methods
- Lossless inductor DCR current sensing