DESCRIPTION
The LX1676 is a highly integrated VRM power supply controller IC featuring two PWM switching regulator stages.
The two constant frequency voltage-mode PWM phases are configured as a single biphase high current output core supply.
KEY FEATURES
◾ High Current Biphase Operation
◾ Outputs As Low As 0.925V
◾ † Biphase LoadSHARETM
◾ † Transient Correction Loop Reduces Required Capacitance
◾ Differential Amplifier For Remote Voltage Sensing
◾ Integrated High Current MOSFET Drivers
◾ 200KHz to 1MHz Frequency Operation
◾ Programmable Slew Rate Control For Start-Up Sequence and VID change
◾ VID Changes On The Fly
◾ Power Good Indicator
◾ Short Circuit Protection
◾ Output Over Voltage and Under Voltage Protection
◾ No current-sense resistors
APPLICATIONS
◾ AMD Mobile Athlon™ or Duron™ Processor Core Voltage Supply
◾ Voltage Regulator Modules