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HIP6021A - Advanced PWM and Triple Linear Power Controller

General Description

Provide a 12V bias supply for the IC to this pin.

This pin also provides the gate bias charge for all the MOSFETs controlled by the IC.

The voltage at this pin is monitored for Power-On Reset (POR) purposes.

Key Features

  • Provides 4 Regulated Voltages - Microprocessor Core, AGP Bus, Memory, and GTL Bus Power.
  • Drives N-Channel MOSFETs.
  • Linear Regulator Drives Compatible with both MOSFET and Bipolar Series Pass Transistors.
  • Fixed or Externally Resistor-Adjustable Linear Outputs.
  • Simple Single-Loop Control Design - Voltage-Mode PWM Control.
  • Fast PWM Converter Transient Response - High-Bandwidth Error Amplifier - Full 0% to 100% Duty Ratio.
  • Excellent Outp.

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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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HIP6021A Data Sheet November 1999 File Number 4793 Advanced PWM and Triple Linear Power Controller The HIP6021A provides the power control and protection for four output voltages in high-performance, graphics intensive microprocessor and computer applications. The IC integrates a voltage-mode PWM controller and three linear controllers, as well as the monitoring and protection functions into a 28 lead SOIC package. The synchronous-rectified buck converter includes an Intelcompatible, TTL 5-input digital-to-analog converter (DAC) that adjusts the core PWM output voltage from 1.3VDC to 2.05VDC in 0.05V steps and from 2.1VDC to 3.5VDC in 0.1V increments. The precision reference and voltage-mode control provide ±1% static regulation.