Three−Phase Synchronous Switching Step−Down
Controller with Single Wire Current Sharing

   The CS5305 provides a low−cost, single−controller solution for the low−voltage, high−current power needs of next−generation workstation and server processors. This IC provides high accuracy and the industry’s fastest transient response, reducing the need for large banks of output capacitors and providing the most compact, reliable, and economical power supply.

FEATUREs
• Enhanced V2 Control Method
• VRM 9.x Compatible VID Codes
• Lossless Inductor Current Sensing
• Single Wire Active Current Sharing Between Converters
• Auto Master−Slave Current Share Control Method
• Programmable 200 to 800 kHz Switching Frequency
• Programmable Adaptive Voltage Positioning
• Differential Remote Sense
• Pulse−by−Pulse Current Limit
• Master Hiccup Overcurrent Protection through Single
   Wire Share Bus
• 5−Bit DAC with 1% Tolerance
• ENABL Input
• VRM 9.x−Compliant Power Good Output
• Active Current Sharing During Soft Start