The LD2981ABM25R/LPD from STMicroelectronics is a highly-efficient, fixed output voltage regulator designed to provide a stable power supply for low power applications. This low-dropout (LDO) linear voltage regulator offers a fixed output voltage of 2.5V, which is ideal for powering sensitive electronic components that require a precise and stable voltage source.

Key Features

• Low Dropout Voltage: The device boasts a low dropout voltage, ensuring efficient operation even when the input voltage is very close to the output voltage, thus making it suitable for battery-powered applications where maximizing battery life is crucial.
• Output Voltage Accuracy: The regulator provides a high accuracy output voltage with a tolerance of ±1%, which is essential for powering sensitive electronic circuits that require a precise voltage level.
• Current and Thermal Limit: The LD2981ABM25R/LPD includes both current limiting and thermal protection features, safeguarding the device and the application against overcurrent and overheating conditions.
• Low Quiescent Current: The device has a very low quiescent current, which contributes to the overall energy efficiency, making it an excellent choice for portable and battery-operated devices.
• Stable with Low ESR Capacitors: The regulator is stable with low equivalent series resistance (ESR) capacitors, which can help reduce the overall size and cost of the power supply design.

Applications

The LD2981ABM25R/LPD is suitable for a wide range of applications, including:

• Battery-powered devices
• Portable and handheld equipment
• Microcontroller power supply
• Consumer electronics
• Wireless communication systems

Package and Quality

This LDO is available in a compact SOT-23-5 package, which is designed for space-constrained applications. The product is manufactured by STMicroelectronics, a trusted name in the semiconductor industry, ensuring high reliability and performance for your electronic designs.