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Controllers | CS51311

Synchronous CPU Buck Controller for 12 V and 5.0 V Applications

Obsolete

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Overview

The CS51311 is a synchronous dual NFET Buck Regulator Controller. It is designed to power the core logic of the latest high performance CPUs. It uses the V2™ control method to achieve the fastest possible transient response and best overall regulation. It incorporates many additional features required to ensure the proper operation and protection of the CPU and Power system. The CS51311 provides the industry's most highly integrated solution, minimizing external component count, total solution size, and cost.

The CS51311 is specifically designed to power Intel's Pentium âCC monitor, soft start, adaptive voltage position- ing, adaptive FET non-overlap time, and remote sense. The CS51311 will operate over an 8.4V to 14V range and is available in 14 lead narrow body surface mount package.

  • Synchronous Switching Regulator Controller for CPU VCORE
  • Dual N-Channel MOSFET Synchronous Buck Design
  • V2 Control Topology
  • 200ns Transient Loop Response
  • 5-Bit DAC with 1.2% Tolerance
  • Hiccup Mode Overcurrent Protection
  • 40ns Gate Rise and Fall Times (3.3nF load)
  • 65ns Adaptive FET Non-Overlap Time
  • Adaptive Voltage Positioning
  • Power Good Output Monitors Regulator Output
  • VCC Monitor Provides Under Voltage Lockout
  • Enable Through use of the COMP Pin

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CS51311GD14

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Obsolete

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CAD Model

Pb

A

H

P

SOIC-14

751A-03

1

235

TUBE

55

N

-

-

V2

9

14

250

Price N/A

More Details

CS51311GDR14

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Obsolete

CAD Model

Pb

A

H

P

SOIC-14

751A-03

1

235

REEL

2500

N

-

-

V2

9

14

250

Price N/A

More Details

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