The MP28114DG-3.3-LF-Z is a high-efficiency, synchronous rectified, step-down converter from MPS (Monolithic Power Systems). It’s specifically designed to provide a fixed 3.3V output voltage with high efficiency and excellent transient response. This converter is part of MPS’s portfolio of power management ICs, known for their robust performance and compact size.

Applications

• Point-of-Load (POL) Regulators: Used in distributed power systems to provide a stable 3.3V supply for various components.
• Embedded Systems: Employed in embedded systems requiring a precise and efficient 3.3V power rail.
• FPGA and Microcontroller Power: Provides power for FPGAs, microcontrollers, and other digital ICs.
• Networking Equipment: Integrated into networking devices such as routers, switches, and modems.
• Industrial Control Systems: Utilized in industrial control systems for reliable 3.3V power.

Features

• Fixed 3.3V Output: Provides a precise and stable 3.3V output voltage.
• High Efficiency: Synchronous rectification ensures high efficiency and low power loss.
• Wide Input Voltage Range: Supports a wide input voltage range for versatile application.
• Overcurrent Protection (OCP): Includes OCP to protect the device and the load.
• Thermal Shutdown (TSD): Features TSD to prevent damage from overheating.

Benefits

• Stable 3.3V Power Supply: Ensures a consistent and reliable 3.3V power rail.
• Energy Savings: High efficiency minimizes power consumption and reduces heat generation.
• Flexible Application: Wide input voltage range accommodates various power sources.
• Improved System Reliability: Overcurrent and thermal shutdown protection enhance system robustness.
• Compact Footprint: Small package size enables compact power supply designs.

Additional Details

The MP28114DG-3.3-LF-Z converter is designed to handle a specific maximum output current, providing adequate power for its intended applications. The switching frequency is optimized to balance efficiency and component size. The device incorporates internal compensation to simplify the design process and minimize external components. The soft-start feature reduces inrush current during startup, preventing voltage drops and ensuring a smooth power-up sequence. Additionally, it includes undervoltage lockout (UVLO) protection to prevent operation when the input voltage is too low, protecting both the converter and the load. The MP28114DG-3.3-LF-Z is available in a compact package, ideal for space-constrained applications. It is lead-free and RoHS compliant, aligning with environmental standards. The load regulation specification ensures a stable output voltage over varying load conditions. The transient response is designed for quick recovery from load changes, maintaining voltage stability.