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HIP6011 - Buck Pulse-Width Modulator (PWM) Controller and Output Voltage Monitor

General Description

The HIP6011 provides complete control and protection for a DC-DC converter optimized for high-performance microprocessor applications.

It is designed to drive an N-Channel MOSFET in a standard buck topology.

Key Features

  • a 15MHz gain-bandwidth product and 6V/µs slew rate which enables high converter bandwidth for fast transient performance. The resulting PWM duty ratio ranges from 0% to 100%. The HIP6011 protects against over-current conditions by inhibiting PWM operation. The HIP6011 monitors the current by using the rDS(ON) of the upper MOSFET which eliminates the need for a current sensing resistor. Built-in over-voltage protection triggers an external SCR to crowbar the input supply. Features.
  • Driv.

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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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HIP6011 September 1997 Buck Pulse-Width Modulator (PWM) Controller and Output Voltage Monitor Description The HIP6011 provides complete control and protection for a DC-DC converter optimized for high-performance microprocessor applications. It is designed to drive an N-Channel MOSFET in a standard buck topology. The HIP6011 integrates all of the control, output adjustment, monitoring and protection functions into a single package. The output voltage of the converter can be precisely regulated to as low as 1.27V, with a maximum tolerance of ±1.5% over temperature and line voltage variations. The HIP6011 provides simple, single feedback loop, voltagemode control with fast transient response.