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NCP1573 Description

NCP1573 Low Voltage Synchronous Buck Controller The NCP1573 is a low voltage buck controller. It provides the control for a DC−DC power solution producing an output voltage as low as 0.980 V over a wide current range. The NCP1573−based solution is powered from 12 V with the output derived from a 2−7 V supply.

NCP1573 Key Features

  • 0.980 V ± 1.0% Reference Voltage
  • V2 Control Topology
  • 200 ns Transient Response
  • Power Good
  • Programmable Power Good Delay
  • 40 ns Gate Rise and Fall Times (3.3 nF Load)
  • Adaptive FET Non-Overlap Time
  • Fixed 200 kHz Oscillator Frequency
  • On/Off Control Through Use of the P Pin
  • Overvoltage Protection through Synchronous MOSFETs