The SGM2031-2.8YUDH4G/TR is a low-dropout (LDO) linear regulator manufactured by SG Micro Corp. It is specifically designed to provide a stable 2.8V output voltage, making it suitable for a wide array of applications, especially those involving sensitive electronic components requiring a precise and clean power supply. This regulator features low quiescent current, which is crucial for battery-powered devices, and robust protection features to ensure long-term reliability.

Applications

• Portable Audio Devices: Powers audio amplifiers, DACs, and other audio processing circuits.
• Wireless Sensors: Provides a stable voltage supply for sensors and communication modules in IoT applications.
• Low-Power Communication Systems: Powers transceivers and baseband processors in wireless communication devices.
• Wearable Electronics: Suitable for powering components in smartwatches, fitness trackers, and other wearable devices.
• Data Logging Equipment: Supplies stable power to data loggers and associated sensors.

Features

• Fixed 2.8V Output: Delivers a precise and reliable 2.8V output voltage.
• Low Dropout Voltage: Maintains regulation even with a small difference between input and output voltage.
• Low Quiescent Current: Minimizes power consumption in standby mode, extending battery life.
• Over-Current Protection: Protects the regulator and load from damage due to excessive current.
• Thermal Shutdown Protection: Shuts down the regulator when the junction temperature exceeds the safe limit.
• Compact Package: Comes in a small UDH package, ideal for space-constrained applications.

Benefits

• Prolonged Battery Life: Low quiescent current helps in conserving battery power, leading to longer operational times for portable devices.
• Stable Power Supply: Ensures reliable performance of connected electronic components by providing a consistent 2.8V supply.
• Enhanced System Reliability: Over-current and thermal shutdown protections prevent potential damage caused by fault conditions.
• Compact Design: Small package size allows for integration into densely populated circuit boards.
• Simplified Implementation: Requires minimal external components, simplifying the design process and reducing board space.

Additional Details

The SGM2031-2.8YUDH4G/TR operates over a typical input voltage range of 3V to 5.5V. It is designed to remain stable with ceramic output capacitors, further minimizing the overall solution size and cost. The regulator is suitable for operation in a temperature range from -40°C to +85°C, making it suitable for a variety of industrial and consumer electronics applications.