STMicroelectronics

LD39130SJ12R

LD39130SJ12R Description

The LD39130SJ12R is a high-performance linear voltage regulator designed by STMicroelectronics, offering a fixed output voltage of 1.2V with a maximum input voltage of 5.5V. This regulator is capable of delivering a continuous output current of up to 300,mA making it suitable for a wide range of applications requiring stable and reliable power supply. The device is housed in a compact 4-FlipChip package, which is ideal for space-constrained designs and surface mount applications.

LD39130SJ12R Features

• Output Type: Fixed, providing a stable 1.2V output voltage.
• Input Voltage Range: Up to 5.5V, ensuring compatibility with various input power sources.
• Output Current: 300mA, sufficient for powering multiple low-power devices.
• Low Quiescent Current: 45 µA, which minimizes power consumption in standby mode.
• High PSRR: 70dB at 1kHz and 65dB at 10kHz, ensuring excellent noise rejection and stable output voltage.
• Control Features: Includes an enable function, allowing for dynamic power management.
• Protection Features: Over current, over temperature, and soft start protections ensure robust and reliable operation.
• Compliance: ROHS3 compliant and REACH unaffected, meeting stringent environmental and regulatory standards.
• Moisture Sensitivity Level: MSL 1 (Unlimited), suitable for various manufacturing environments.
• Mounting Type: Surface mount, compatible with modern PCB assembly processes.
• Package: Tape & Reel (TR), facilitating automated assembly and handling.

LD39130SJ12R Applications

The LD39130SJ12R is ideal for a variety of applications where a stable and efficient power supply is required. Its low quiescent current and high PSRR make it particularly suitable for battery-powered devices and sensitive analog circuits. Key applications include:

• Consumer Electronics: Portable devices, smartphones, and tablets.
• Industrial Equipment: Sensors, actuators, and control systems.
• Medical Devices: Portable medical instruments and diagnostic equipment.
• Automotive Systems: On-board electronics and infotainment systems.
• Communication Devices: Routers, modems, and other networking equipment.

Conclusion of LD39130SJ12R

The LD39130SJ12R from STMicroelectronics stands out as a reliable and efficient linear voltage regulator, offering a fixed 1.2V output with a robust set of features. Its low quiescent current and high PSRR ensure minimal power loss and excellent noise performance, making it ideal for low-power and sensitive applications. The inclusion of over current and over temperature protections further enhances its reliability. With its compact 4-FlipChip package and surface mount compatibility, the LD39130SJ12R is well-suited for modern, space-constrained designs. Whether powering consumer electronics, industrial equipment, or medical devices, the LD39130SJ12R delivers stable and efficient performance, making it a preferred choice for engineers and designers in the electronics industry.