CPU 5-Bit Synchronous Buck Controller

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Overview

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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CS5155GD16

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Obsolete

CAD Model

Pb

A

H

P

SOIC-16

1

235

TUBE

48

N

-

-

V2

4.25

14

1000

Price N/A

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CS5155GDR16

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Obsolete

CAD Model

Pb

A

H

P

SOIC-16

1

235

REEL

2500

N

-

-

V2

4.25

14

1000

Price N/A

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