5018BMTCX

www.fairchildsemi.com FAN5018B 6-Bit VID Controller 2-4 Phase VR10.X Controller Features Improved Noise Immunity Improved Load Line Accuracy TTL Compatible VID Inputs Fully Pin and Function compatible with existing FAN5018 and ADP3180 Controllers Precision Multi-Phase DC-DC Core Voltage Regulation – ±14mV Output Voltage Accuracy Over Temperature Differential Remote Voltage Sensing Selectable 2-, 3-, or 4-Phase Operation Selectable VRM9 or VRM10 Operation Up to 1MHz per Phase Operation (4MHz ripple Frequency) Lossless Inductor Current Sensing for Loadline Compensation – External Temperature Compensation Accurate Loadline Programming (Meets Intel® VRM/VRD10.x CPU Specifications) Accurate Channel-Current Balancing for Thermal Optimization and Layout Compensation Convenient 12V Supply Biasing 6-bit Voltage Identification (VID) Input – .8375V to 1.600V in 12.5mV Steps – Dynamic VID Capability with Fault-Blanking for glitch-less Output voltage Changes Adjustable Over Current Protection with Programmable Latch-Off Delay. Latch-Off Function may be Disabled Over-Voltage Protection – Internal OVP Crowbar Protection Package: 28L-TSSOP General Description The FAN5018B is a multi-phase DC-DC controller for implementing high-current, low-voltage, CPU core power regulation circuits. It is part of a chipset that includes external MOSFET drivers and power MOSFETS. The FAN5018B drives up to four synchronous-rectified buck channels in parallel. The multi-phase buck convert...