STMicroelectronics

LD39030SJ12R

LD39030SJ12R Description

The LD39030SJ12R is a linear voltage regulator designed by STMicroelectronics, offering a fixed output voltage of 1.2V and a maximum output current of 300mA. This regulator is well-suited for applications requiring a stable and reliable power supply with minimal power consumption. The device features a maximum input voltage of 5.5V and a dropout voltage of 0.3V at the maximum load current, ensuring efficient operation even at low input-to-output voltage differentials. The regulator is housed in a 4-FlipChip package, which is ideal for surface mount applications, providing a compact and robust solution for modern electronic designs.

LD39030SJ12R Features

• Output Type: Fixed at 1.2V, ensuring a stable power supply for sensitive electronic components.
• Input Voltage Range: Up to 5.5V, providing flexibility in power source selection.
• Output Current: Capable of delivering up to 300mA, suitable for a wide range of low-power applications.
• Low Dropout Voltage: Maximum of 0.3V at 300mA, enhancing efficiency and performance in low-voltage environments.
• Low Quiescent Current: 50 µA, minimizing power consumption during operation.
• Enable Control Feature: Allows for dynamic control of the regulator's operation, enabling power-saving modes and efficient power management.
• Protection Features: Over-current and over-temperature protection, along with soft start, ensure reliable operation and protect the device from potential damage.
• Mounting Type: Surface mount, ideal for compact and high-density PCB designs.
• Package: Tape & Reel (TR), facilitating automated assembly processes.
• Compliance: ROHS3 compliant and REACH unaffected, ensuring environmental and regulatory standards are met.

LD39030SJ12R Applications

The LD39030SJ12R is ideal for a variety of applications where a stable and efficient power supply is required. Its low dropout voltage and low quiescent current make it particularly suitable for battery-powered devices and low-power systems. Specific use cases include:

• Consumer Electronics: Portable devices such as smartphones, tablets, and wearables, where power efficiency and compact design are critical.
• Industrial Applications: Low-power sensors and IoT devices that require a stable power supply and operate in environments with limited power availability.
• Medical Devices: Portable medical equipment and monitoring devices that demand high reliability and low power consumption.
• Telecommunications: Low-power communication modules and remote sensors that need efficient power management.

Conclusion of LD39030SJ12R

The LD39030SJ12R from STMicroelectronics is a highly efficient and reliable linear voltage regulator, offering a fixed 1.2V output and a maximum output current of 300mA. Its low dropout voltage and low quiescent current make it an excellent choice for low-power applications, ensuring efficient power management and minimal power consumption. The inclusion of enable control and comprehensive protection features further enhances its reliability and versatility. While the product is now obsolete, its unique features and performance benefits make it a valuable component for legacy systems and specific applications where its characteristics are still highly desirable.