Buck Pulse-Width Modulator (PWM) Controller and Output Voltage Monitor
●The HIP6008 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
●HIP6008 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
●\- ±1.5% Over Line Voltage and Temperature
●• 4 Bit Digital-to-Analog Output Voltage Selection
●\- Wide Range . . . . . . . . . . . . . . . . . . .2.0VDC to 3.5VDC
●\- 0.1V Binary Steps
●• Power-Good Output Voltage Monitor
●• 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
