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Controllers | CS5155
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The CS5155 is a 5-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 CS5155 is designed to operate over a 4.25-14V range (VCC) using 12V to power the IC and 5V as the main supply for conversion. The CS5155 is specifically designed to power Pentium â II processors and other high performance core logic. It includes the following features: on board, 5-bit DAC, short circuit protection, 1.0% output tol-erance, VCC monitor, and programmable soft start capability. The CS5155 is backwards compatible with the 4 bit CS-5150, allowing the mother board designer the capability of using either the CS-5150 or the CS5155 with no change in layout. The CS5155 is available in 16 pin surface mount and DIP packages.
- Dual N-Channel Design
- Excess of 1MHz Operation
- 100ns Transient Response
- 5-Bit DAC
- Backward Compatible with 4 Bit CS-5150/5151 and Adjustable CS-5120/5121
- 30ns Gate Rise/Fall Times
- 1% DAC Accuracy
- 5V & 12V Operation
- Remote Sense
- Programmable Soft Start
- Lossless Short CircuitProtection
- VCC Monitor
- 25ns FET Nonoverlap Time
- Adaptive Voltage Positioning
- V2™ Control Topology
- Current Sharing
- Overvoltage Protection
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