ADP3163
FEATURES
ADOPT™ Optimal Positioning Technology for Superior Load Transient Response and Fewest Output Capacitors plies with VRM 9.0 and Intel VR Down Guideline with Lowest System Cost Digitally Selectable 2- or 3-Phase Operation at up to 500 k Hz per Phase Quad Logic-level PWM Outputs for Interface to External High-Power Drivers Active Current Balancing between All Output Phases Accurate Multiple VRM Module Current Sharing 5-Bit Digitally Programmable 1.1 V to 1.85 V Output Total Output Accuracy ؎0.8% Over Temperature Current-Mode Operation Short Circuit Protection Enhanced Power Good Output Detects Open Outputs in Multi-VRM Power Systems Overvoltage Protection Crowbar Protects Microprocessors with No Additional External ponents APPLICATIONS Desktop PC Power Supplies for: Intel Pentium® 4 Processors AMD Athlon Processors VRM Modules
5-Bit Programmable 2-/3-Phase Synchronous Buck Controller ADP3163
FUNCTIONAL BLOCK DIAGRAM
VCC PC
UVLO & BIAS SET RESET CROWBAR REF GND 3.0V...
