SC1471: Power Supply Controller for Portable Pentium® III SpeedStep® Processors

• Direct “deeper sleep” mode support
• High-speed hysteretic controller provides high efficiency over a wide operating load range
• Fastest possible transient response
• Inherently stable
• Integrated extended IMVP support
• Programmable core voltage for Pentium® III processors
• Native Intel® SpeedStep® support with PWRGD blanking
• Proportional over-voltage protection
• Over-current shutdown after 32 over-current pulses
• TSSOP-24 package

Typical Application Circuit

Click diagram to enlarge

• Laptop and notebook computers
• High-performance microprocessor-based systems
• High-efficiency distributed power supplies

TSSOP-24

• SC1471TSTR: Package Minimum Tape & Reel Only