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NCP81246 Key Features

  • Dual Edge Modulation for Fastest Initial Response to Transient
  • High Performance Operational Error Amplifier
  • Digital Soft Start Ramp
  • Dynamic Reference Injection® (Patent #US7057381)
  • Accurate Total Summing Current Amplifier(Patent #US6683441)
  • Dual High Impedance Differential Voltage and Total Current Sense
  • Phase-to-Phase Dynamic Current Balancing
  • True Differential Current Balancing Sense Amplifiers for Each Phase
  • Adaptive Voltage Positioning (AVP)
  • Switching Frequency Range of 300 kHz

Related onsemi Datasheets

Part Number Description
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NCP81248 Three-Rail Controller
NCP81228 8 + 2 Phase Output Controller

NCP81246 Description

NCP81246 Three-Rail Controller with Intel Proprietary Interface for IMVP8 CPU Applications The NCP81246 contains a two-phase, and two single-phase buck regulators optimized for Intel IMVP8 patible CPUs. The two-phase controller bines true differential voltage sensing, differential inductor DCR current sensing, input voltage feed-forward, and adaptive voltage positioning to provide accurately regulated power for...

NCP81246 Applications

  • Dual Edge Modulation for Fastest Initial Response to Transient