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HIP5020 - Integrated-Power Buck Converter Controller with Synchronous Rectification

General Description

and HIP5020 component specifications enable further optimization to meet specific requirements.

Key Features

  • High Efficiency - Above 95%.
  • Integrated N-Channel Synchronous Rectifier and Upper MOSFETs - 75mΩ Each.
  • Wide Input Voltage and Load Range - 4.5VDC to 18VDC (5 to 12 NiCd Battery Cells) - Up to 3.5ADC.
  • Automatically Switches Regulation Mode - Current Mode Control for Excellent Performance at High Load Currents - Hysteretic Control for High Efficiency at Light Load Currents.
  • Flexible and Easy to Use - Ready-to-Use Example.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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HIP5020 Data Sheet January 1997 File Number 4243 Integrated-Power Buck Converter Controller with Synchronous Rectification The HIP5020 is a high-efficiency, buck converter controller with synchronous rectification and integral power MOSFETs. Integrated current sensing eliminates the external resistor and saves power. The controller combines two methods of regulation: Current mode control for outstanding regulation response to large signal load transients, and Hysteretic mode control for high efficiency at low output currents. The HIP5020 controller offers a high degree of flexibility. Small components set the switching frequency, the soft-start interval and the load current boundary between Run and Hysteretic modes.