Features

The MCP16503 Evaluation Board (EV05A95A) has the following 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)
• Resistor Selectable Output Voltage for Each Channel
• Adjustable Output Voltage From 0.6V to 1.85V (Only for Buck2, 3 and 4)
• 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
• 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