STMicroelectronics

LD39115J10R

LD39115J10R Description

The LD39115J10R is a linear voltage regulator designed and manufactured by STMicroelectronics. This device is part of the Linear & Switching Voltage Regulators category and is known for its high performance and reliability. The LD39115J10R features a fixed output voltage of 1V and can deliver a maximum output current of 150mA. It is designed for surface mount applications and comes in a 4-Flip Chip package, making it suitable for compact and high-density designs.

LD39115J10R Features

• Output Type: Fixed, ensuring a stable and consistent voltage output.
• Input Voltage Range: Up to 5.5V, providing flexibility for various input power sources.
• Output Current: 150mA, sufficient for a wide range of low-power applications.
• Number of Regulators: Single regulator, simplifying design and reducing component count.
• Output Configuration: Positive, suitable for typical power supply requirements.
• Supply Current: Maximum of 70 µA, minimizing power consumption and improving efficiency.
• Product Status: Obsolete, indicating that this model is no longer in production but may still be available in stock.
• Compliance: REACH Unaffected and ROHS3 Compliant, ensuring environmental and regulatory standards are met.
• Moisture Sensitivity Level: Not Applicable, making it suitable for a variety of manufacturing environments.
• Quiescent Current: 50 µA, contributing to low power consumption during standby or low-load conditions.
• Power Supply Rejection Ratio (PSRR): 74dB to 67dB across the 1kHz to 10kHz frequency range, providing excellent noise rejection and stable output.
• Control Features: Enable function, offering additional control and flexibility in system design.
• Protection Features: Over Current and Over Temperature protection, ensuring robustness and reliability in various operating conditions.
• Mounting Type: Surface Mount, ideal for modern, space-efficient PCB designs.
• Package: Tape & Reel (TR), facilitating automated assembly processes.

LD39115J10R Applications

The LD39115J10R is ideal for a variety of applications where a stable and low-noise power supply is required. Some specific use cases include:

• Consumer Electronics: Portable devices, where low power consumption and small form factor are critical.
• Telecommunications: Base stations and other communication equipment that require reliable and stable power supplies.
• Industrial Equipment: Control systems and sensors that need precise voltage.
  regulation- Medical Devices: Portable medical devices that demand high reliability and low power consumption.
• Automotive: In-vehicle electronics and infotainment systems that require robust power management solutions.

Conclusion of LD39115J10R

The LD39115J10R from STMicroelectronics is a versatile and reliable linear voltage regulator designed for applications requiring a fixed 1V output and up to 150mA of current. Its low quiescent current and high PSRR make it suitable for low-power and noise-sensitive applications. The inclusion of over current and over temperature protection ensures robustness and reliability, while the enable function offers additional control options. Despite being marked as obsolete, the LD39115J10R remains a valuable component for designers looking for a compact, efficient, and reliable power supply solution.