Features

  • Input Voltage: 2.7V to 5.5V
  • Four 1A Output Current Buck Channels with 100% Maximum Duty Cycle Capability
  • 2MHz Buck Channels PWM Operation
  • Two Auxiliary 300mA Low Dropout Linear Regulators (LDOs)
  • ±1 Voltage Accuracy Suitable to Power the DDR, Core and CPU Voltage Rails
  • Resistor Selectable Output Voltage for the Default Start-up
  • I2C Output Voltage Configuration Following System Startup (DVS)
  • Adjustable Output Voltage from 0.6V to 1.85V (Only for buck2, buck3 and buck4)
  • Adjustable Output Voltage from 1.2V to 3.7V (Only for buck1, LDO1 and LDO2)
  • Shutdown Input Pin (EN)
  • MPU-specific Built-in Default Channel Sequencing and nRSTO Assertion Delay
  • Support of MPU Hibernate, Low-Power and High-Performance Modes with DVS
  • 1MHz 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 300μA Low-power Mode Typical Quiescent Current Bucks and LDO1 ON, No Load
  • 10μA 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 5mm × 5mm VQFN Package
  • −40°C to +125°C Junction Temperature Range