CS5150

CS5150 CS5150 CPU 4-Bit Synchronous Buck Controller Description The CS5150 is a 4-bit synchronous dual N-Channel buck controller. It is designed to provide unprecedented transient response for today’s demanding high-density, high-speed logic. The regulator operates using a proprietary control method, which allows a 100ns response time to load transients. The CS5150 is designed to operate over a 4.25-16V range (VCC) using 12V to power the IC and 5V as the main supply for conversion. The CS5150 is specifically designed to power Pentium® Pro processors and other high performance core logic. It includes the following features: on board, 4-bit DAC, short circuit protection, 1.0% output tolerance, VCC monitor, and programmable soft start capability. The CS5150 is upward compatible with the 5-bit CS5155, allowing the mother board designer the capability of using either the CS5150 or the CS5155 with no change in layout. The CS5150 is available in 16 pin surface mount and DIP packages. Features s Dual N-Channel Design s Excess of 1MHz Operation s 100ns Transient Response s 4-Bit DAC s Upward Compatible with 5-Bit CS5155/5156 and Adjustable CS5120/5121 s 30ns Gate Rise/Fall Times s 1% DAC Accuracy s 5V & 12V Operation s Remote Sense s Programmable Soft Start s Lossless Short Circuit Protection Application Diagram Switching Power Supply for core logic - Pentium® Pro processor 12V 5V s VCC Monitor s 25ns FET Nonoverlap Time s Adaptive Voltage Positioning s V2™ Control Topology s Curr...