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