1.0 MHz Dual Switch-Mode DDR Power Supply

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Block Diagram

Freescale MC34716 Switch Regulator Block Diagram

NXP<sup>&#174;</sup> MC34716 Switch Regulator Block Diagram


System Features

  • Integrated N-channel power MOSFETs
  • Input voltage operating range from 3 V to 6 V
  • The second output tracks 1/2 an external reference voltage
  • 1% Accurate buffered reference output voltage
  • Programmable switching frequency range from 200 kHz to 1 MHz
  • Programmable soft start timing for channel one
  • Over current limit and short circuit protection on both channels
  • Thermal shutdown
  • Output over-voltage and under-voltage detection
  • Active low power good output signal
  • Active low standby and shutdown inputs
  • 2 buck regulators
  • Output current 3 A
  • Output voltage 1.5 V

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