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IR3842WMPBF Datasheet HIGHLY EFFICIENT INTEGRATED 4A SYNCHRONOUS BUCK REGULATOR

Manufacturer: International Rectifier (now Infineon)

Overview: PD-97659 IR3842WMPbF SupIRBuckTM HIGHLY EFFICIENT INTEGRATED 4A SYNCHRONOUS BUCK.

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General Description

The IR3842W SupIRBuckTM is an easy-to-use, fully integrated and highly efficient DC/DC synchronous Buck regulator.

The MOSFETs copackaged with the on-chip PWM controller make IR3842W a space-efficient solution, providing accurate power delivery for low output voltage applications.

IR3842W is a versatile regulator which offers programmability of start up time, switching frequency and current limit while operating in wide input and output voltage range.

Key Features

  • Greater than 95% Maximum Efficiency.
  • Wide Input Voltage Range 1.5V to 16V.
  • Wide Output Voltage Range 0.7V to 0.9.
  • Vin.
  • Continuous 4A Load Capability.
  • Integrated Bootstrap-diode.
  • High Bandwidth E/A for excellent transient performance.
  • Programmable Switching Frequency up to 1.5MHz.
  • Programmable Over Current Protection.
  • PGood output.
  • Hiccup Current Limit.
  • Precision Reference Voltage (0.7V, +/-1%).

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