Features
• Input Voltage Range: 8V to 75V
• Input Down to 2V when VDD = 5V from External
Supply
• Adjustable Output Voltage from 0.6V to 28V
• Adaptive Constant On-Time Control:
- High DeltaV™ operation
- Any Capacitor™ stable
• 0.6V Internal Reference with ±1% Accuracy
• Novel Ripple Injection Method to Allow Greater
than 50% Duty Cycle Operation
• Operates in CCM, Stackable for Multiphase
Operation up to Eight Phases
• Accurate Current Balancing Between Phases
• Accurate 180° Phasing of Outputs
• 100 kHz to 1 MHz Switching Frequency per Phase
• Secondary LDO to Improve System Efficiency
• Supports Start-up to Pre-Bias Output
• Remote Sense Amplifier for Tight Output Regulation
• Droop Feature to Support Adaptive Voltage
Positioning (AVP) for Improved Load
Transient Response
• Precision Enable Function for Low Standby Current
• External Programmable Soft Start to Reduce
Inrush Current
• Lossless RDSON Current Sensing with NTC
Temperature Compensation or Resistor Sensing
Method
• Programmable Current Limit and Hiccup Mode
Short-Circuit Protection
• Thermal Shutdown with Hysteresis
• -40°C to +125°C Junction Temperature Range
• Compact Size: 5 mm x 5 mm 32-Pin VQFN
Package
• AEC-Q100 Qualified (VAO Suffix)
Applications
• Distributed Power Systems
• Communications/Networking Infrastructure
• Printers, Scanners, Graphic and Video Cards
• FPGA, CPU, Memory, GPU Core Supplies
• Automotive POL