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CS51311 Description

CS51311 Synchronous CPU Buck Controller for 12 V and 5.0 V Applications 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.

CS51311 Key Features

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

CS51311 Applications

  • Synchronous Switching Regulator Controller for CPU VCORE