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