Features
Meets AMD’S SVI2 Specifications
Four phase CPU Voltage Regulator
One phase North Bridge Voltage Regulator
Current Mode Dual Edge Modulation for Fast Initial Response to
Transient Loading
Dual High Performance Operational Error Amplifier
One Digital Soft Start Ramp for Both Rails
Dynamic Reference Injection
Accurate Total Summing Current Amplifier
DAC with Droop Feed−forward Injection
Dual High Impedance Differential Voltage and Total
Current Sense Amplifiers
Phase−to−Phase Dynamic Current Balancing
“Lossless” DCR Current Sensing for Current Balancing
Summed Compensated Inductor Current Sensing for
Droop
True Differential Current Balancing Sense Amplifiers
for Each Phase
Adaptive Voltage Positioning (AVP)
Switching Frequency Range of 240 kHz – 1.0 MHz
• Startup into Pre−Charged Loads while avoiding False
OVP
• Power Saving Phase Shedding
• Vin Feed Forward Ramp Slope
• Pin Programming for Internal SVI2 Parameters
• Over Voltage Protection (OVP) and Under Voltage
Protection (UVP)
• Over Current Protection (OCP)
• Dual Power Good Output with Internal Delays
• These Devices are Pb−Free and Halogen Free
Applications
• Desktop and Notebook Processors
• Gaming