ISL6334IRZ-T VR11.1, 4-Phase PWM Controller with Light Load Efficiency Enhancement and Load Current Monitoring Features; Temperature Range: -40°C to 85°C; Package: 40-QFN T&R
ISL6333CIRZ Three-Phase Buck PWM Controller with Integrated MOSFET Drivers and Light Load Efficiency Enhancements for Intel VR11.1 Applications; Temperature Range: -40°C to 85°C; Package: 48-QFN