Buck and Synchronous-Rectifier Pulse-Width Modulator (PWM) Controller

The HIP6006 provides complete control and protection for a DC-DC converter optimized for high-performance microprocessor applications. It is designed to drive two N Channel MOSFETs in a synchronous-rectified buck topology. The HIP6006 integrates all of the control, output adjustment, monitoring and protection functions into a single package.

Features

• Drives Two N-Channel MOSFETs

• Operates From +5V or +12V Input

• Simple Single-Loop Control Design

- Voltage-Mode PWM Control

• Fast Transient Response

- High-Bandwidth Error Amplifier

- Full 0 to 100 Duty Ratio

• Excellent Output Voltage Regulation

- 1.27V Internal Reference

- ±1 Over Line Voltage and Temperature

• Over-Current Fault Monitor

- Does Not Require Extra Current Sensing Element

- Uses MOSFETs rDS(ON)

• Small Converter Size

- Constant Frequency Operation

- 200kHz Free-Running Oscillator Programmable from 50kHz to Over 1MHz

• 14 Pin, SOIC and TSSOP Package

• Pb-Free Available (RoHS Compliant)

Applications

• Power Supply for Pentium®, Pentium Pro, PowerPC™ and Alpha™ Microprocessors

• High-Power 5V to 3.xV DC-DC Regulators

• Low-Voltage Distributed Power Supplies

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