STMicroelectronics

LD1086DT25TR  

Linear & Switching Voltage Regulators

LD1086DT25TR Description

The LD1086DT25TR is a fixed-output linear regulator designed for high performance and reliability in power management applications. Manufactured by STMicroelectronics, this IC offers a robust solution for delivering a stable 2.5V output voltage with a maximum output current of 1.5A. The device is housed in a DPAK package, which is ideal for surface-mount applications and ensures efficient heat dissipation.

Key technical specifications include a maximum input voltage of 30V, a dropout voltage of 1.5V at full load, and a quiescent current of 10 mA. The regulator also features excellent power supply rejection ratio (PSRR) of 81dB at 120Hz, ensuring minimal noise and ripple in the output voltage. Additionally, the LD1086DT25TR is equipped with over-current and over-temperature protection features, enhancing its reliability and robustness.

LD1086DT25TR Features

• Fixed Output Voltage: Provides a stable 2.5V output, making it suitable for applications requiring a consistent power supply.
• High Output Current: Capable of delivering up to 1.5A, ensuring it can power demanding devices.
• Wide Input Voltage Range: Accepts input voltages up to 30V, offering flexibility in various power supply configurations.
• Low Dropout Voltage: With a maximum dropout voltage of 1.5V at 1.5A, it maintains efficiency even at low input-to-output voltage differentials.
• Low Quiescent Current: Consumes only 10 mA in quiescent state, minimizing power loss.
• High PSRR: Achieves 81dB at 120Hz, ensuring high performance in noise-sensitive applications.
• Protection Features: Over-current and over-temperature protection enhance reliability and longevity.
• Compliance: RoHS3 compliant and REACH unaffected, environmental ensuring and regulatory standards are met.
• Packaging: Supplied in a DPAK package with a moisture sensitivity level of 1 (unlimited), making it suitable for surface-mount assembly.

LD1086DT25TR Applications

The LD1086DT25TR is ideal for a variety of applications where a stable and efficient power supply is crucial. Its fixed 2.5V output and high current capability make it suitable for powering microcontrollers, digital signal processors, and other low-voltage electronics. The regulator's low dropout voltage and high PSRR make it particularly useful in applications where noise ripple and must be minimized, such as in precision analog circuits and sensitive communication systems.

Specific use cases include:

• Embedded Systems: Providing a stable power supply for microcontrollers and embedded processors.
• Communication Equipment: Ensuring low noise power for sensitive RF and analog circuits.
• Industrial Control: Powering control modules and sensors in industrial environments.
• Consumer Electronics: Supplying power to low-voltage components in devices such as smartphones, tablets, and IoT devices.

Conclusion of LD1086DT25TR

The LD1086DT25TR from STMicroelectronics is a high-performance linear regulator that offers a reliable and efficient power management solution. Its fixed 2.5V output, high current capability, and low dropout voltage make it an excellent choice for a wide range of applications. The device's robust protection features and compliance with environmental standards further enhance its appeal. While the product is marked as obsolete, it remains a valuable option for existing designs and applications requiring its specific performance characteristics.

LD1086DT25TR Documents

Download datasheets and manufacturer documentation for LD1086DT25TR