STMicroelectronics

LD39030ADTPU12R

LD39030ADTPU12R Description

The LD39030ADTPU12R is a high-performance linear regulator designed for applications requiring a stable and efficient power supply. Manufactured by STMicroelectronics, this IC offers a fixed output voltage of 1.2V and can deliver a maximum output current of 300mA. The regulator is designed to operate with an input voltage range up to 5.5V, ensuring compatibility with a wide range of power sources. Its low dropout voltage of 0.33V at 300mA (typical) allows for efficient operation even at low input-to-output voltage differentials.

The LD39030ADTPU12R features a maximum supply current of 130 µA and a quiescent current of 40 µA, making it suitable for low-power applications. It includes control features such as enable and soft start, which enhance system flexibility and reliability. Additionally, the regulator provides robust protection features, including over-current and over-temperature protection, ensuring safe operation under various conditions.

Packaged in a surface-mount 4DFN format, the LD39030ADTPU12R is available in tape and reel (TR) format, facilitating automated assembly processes. The device is compliant with REACH and ROHS3 standards, ensuring environmental sustainability and regulatory adherence. With a moisture sensitivity level (MSL) of 1 (unlimited), the IC is suitable for a wide range of manufacturing environments.

LD39030ADTPU12R Features

• Fixed Output Voltage: 1.2V, providing a stable power supply for sensitive electronic components.
• High Output Current: Capable of delivering up to 300mA, suitable for powering various electronic devices.
• Low Dropout Voltage: 0.33V at 300mA (typical), enabling efficient operation at low input-to-output voltage differences.
• Low Quiescent Current: 40 µA, minimizing power consumption in standby mode.
• Control Features: Enable and soft start capabilities enhance system flexibility and reliability.
• Protection Features: Over-current and over-temperature protection ensure safe operation under various conditions.
• Compliance: REACH Unaffected and ROHS3 Compliant, ensuring environmental sustainability and regulatory adherence.
• Packaging: Surface-mount 4DFN format with tape and reel (TR) availability, facilitating automated assembly processes.
• Moisture Sensitivity: MSL 1 (Unlimited), suitable for a wide range of manufacturing environments.
• Power Supply Rejection Ratio (PSRR): 80dB to 55dB (1kHz to 100kHz), ensuring high performance in noisy environments.

LD39030ADTPU12R Applications

The LD39030ADTPU12R is ideal for a variety of applications where a stable and efficient power supply is crucial. Its low dropout voltage and high output current make it suitable for powering microcontrollers, sensors, and other low-power electronic devices. The enable and soft start features provide additional control, making it ideal for applications requiring precise power management.

Specific use cases include:

• Microcontroller Power Supply: Providing a stable 1.2V supply for microcontrollers and other low-power processors.
• Sensor Applications: Ensuring reliable power for sensors in IoT devices and industrial systems.
• Portable Devices: Suitable for battery-powered devices where low dropout voltage and low quiescent current are essential.
• Medical Devices: Ideal for powering sensitive medical equipment where reliability and stability are paramount.

Conclusion of LD39030ADTPU12R

The LD39030ADTPU12R from STMicroelectronics is a highly efficient and reliable linear regulator designed for applications requiring a stable 1.2V power supply. Its low dropout voltage, low quiescent current, and robust protection features make it an excellent choice for a wide range of electronic devices. The enable and soft start capabilities provide additional control, enhancing system flexibility and reliability. With its surface-mount packaging and compliance with environmental standards, the LD39030ADTPU12R is an ideal solution for modern electronic designs, ensuring efficient and stable power delivery in various applications.