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Controllers | CS5156
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The CS5156 is a 5-bit nonsynchronous 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 CS5156 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 CS5156 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 tolerance, VCC monitor, and pro-grammable soft start capability. The CS5156 is backwards compatible with the 4-bit CS5151, allowing the mother board designer the capability of using either the CS5151 or the CS5156 with no change in layout. The CS5156 is available in 16 pin surface mount and DIP packages.
- N-Channel Design
- Excess of 1MHz Operation
- 100ns Transient Response
- 5-Bit DAC
- Backward Compatible with 4-Bit CS5150/5151 and Adjustable CS5120/5121
- 30ns Gate Rise/Fall Times
- 1% DAC Accuracy
- 5V & 12V Operation
- Remote Sense
- Programmable Soft Start
- Lossless Short Circuit Protection
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