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FAN5193 Datasheet Two Phase Interleaved Synchronous Buck Converter

Manufacturer: Fairchild (now onsemi)

Overview: www.fairchildsemi.com FAN5193 Two Phase Interleaved Synchronous Buck.

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General Description

The FAN5193 is a synchronous multi-phase DC-DC controller IC which provides a highly accurate, programmable output voltage for all high-performance processors.

Two interleaved synchronous buck regulator phases with built-in current sharing operate 180° out of phase to provide the fast transient response needed to satisfy high current applications while minimizing external components.

The FAN5193

Key Features

  • Programmable output from 1.10V to 1.85V in 25mV steps using an integrated 5-bit DAC.
  • Two interleaved synchronous phases for maximum performance.
  • 100nsec response time.
  • Built-in current sharing between phases.
  • Remote sense.
  • Programmable Active Droop (Voltage Positioning).
  • Programmable frequency from 200KHz to 2MHz.
  • Adaptive delay gate switching.
  • Integrated high-current gate drivers.
  • Integrated Power Good,.

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