高性能可编程同步DC -DC控制器，用于低电压微处理器 High Performance Programmable Synchronous DC-DC Controller for Low Voltage Microprocessors
Description
The RC5052 is a synchronous mode DC-DC controller IC, optimized for 12V main power, which provides a highly accurate, programmable output voltage for all Pentium II & III CPU applications and other high-performance processors.
Features
• Optimized for 12V main power
• Programmable output from 1.3V to 3.5V using an integrated 5-bit DAC
• Remote sense
• Active Droop
• 85% efficiency typical at full load
• Integrated Power Good and Enable/Soft Start functions
• Drives N-channel MOSFETs
• Overcurrent protection using MOSFET sensing
• 20 pin SOIC package
• Meets Intel Pentium II & III specifications using minimum number of external components
• Adjustable deadtime, frequency
• Crowbar protection for overvoltage
Applications
• Power supply for Pentium®II & III
• VRM for Pentium II & III processor
• Telecom line cards
• Routers, switches & hubs
• Programmable step-down power supply