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.

Features

• Drives N-Channel MOSFET

• 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

- ±1.5 Over Line Voltage and Temperature

• Over-Voltage and Over-Current Fault Monitors

- Does Not Require Extra Current Sensing Element

- Uses MOSFET’s rDS(ON)

• Small Converter Size

- Constant Frequency Operation

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

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