Features
• Input Voltage: 2.7V to 5.5V
• Four 1A Output Current Buck Channels with
100% Maximum Duty Cycle Capability
• 2 MHz Buck Channels PWM Operation
• Two Auxiliary 300 mA Low Dropout Linear
Regulators (LDOs)
• ±1% Voltage Accuracy for DDR (Buck2 Output),
Core (Buck3 Output) and CPU (Buck4 Output)
• Pin-Selectable Output Voltages for Buck2:
1.2V, 1.35V, 1.8V
• MPU-Specific Built-in Default Channel
Sequencing and nRSTO Assertion Delay
• Support of MPU Hibernate, Low-Power and
High-Performance Modes with DVS
• Push Button Long Press Time-Out Function
• 1 MHz I2C Interface for Programming and
Diagnostics
• Low Noise, Forced PWM (FPWM) and Low IQ,
Light Load, High-Efficiency Mode Available
• I2C-Selectable Displacement (±16.5%) of PWM
Switching Frequency
• Leakage-Free Interfacing to MPU in Any
Operating Condition through Optimized
ESD Protection
• Less than 300 μA Low-Power Mode Typical
Quiescent Current Bucks and LDO1 ON, No Load
• 10 μA Maximum Shutdown Current (VIN = 4.5V,
TJ = +105°C)
• Cost and Size-Optimized BOM
• Thermal Shutdown and Current Limit Protection
• User-Programmable Overcurrent Fault Response
• 32-Pin 5 mm × 5 mm VQFN Package
• -40°C to +125°C Junction Temperature Range
• Passes Automotive AEC-Q100 Reliability Testing
Applications
• High-Performance MPUs Power Supply Solutions
• μC/μP, FPGA and DSP Power