STMicroelectronics

LD39115J12R

LD39115J12R Description

The LD39115J12R is a high-performance linear voltage regulator from STMicroelectronics, designed to deliver a fixed output voltage of 1.2V with a maximum output current of 150mA. This single-output regulator features a positive output configuration and is housed in a compact 4-flip chip package. With its low quiescent current of 50 µA and a supply current of 70 µA, the LD39115J12R is ideal for battery-powered applications where power efficiency is critical.

LD39115J12R Features

• Fixed Output Voltage: The LD39115J12R provides a stable 1.2V output, ensuring consistent performance in various electronic devices.
• Low Quiescent Current: With a quiescent current of only 50 µA, this regulator minimizes power consumption in standby mode, extending battery life.
• Over Current and Over Temperature Protection: The LD39115J12R incorporates built-in protection features to safeguard the device from damage due to overcurrent and overheating.
• High PSRR: The regulator boasts a high power supply rejection ratio (PSRR) of 74dB at 1kHz and 67dB at 10kHz, ensuring stable operation even in noisy environments.
• RoHS Compliance: The LD39115J12R is compliant with the RoHS3 directive, making it suitable for environmentally friendly applications.
• REACH Unaffected: This product is not affected by the REACH regulation, ensuring uninterrupted supply and compliance with European chemical regulations.

LD39115J12R Applications

The LD39115J12R is an excellent choice for a wide range of applications where a stable and efficient power supply is required. Some specific use cases include:

• Portable Electronics: Due to its low quiescent current and compact form factor, the LD39115J12R is ideal for powering portable devices such as smartphones, tablets, and wearables.
• IoT Devices: The regulator's efficiency and stability make it suitable for powering IoT devices, ensuring reliable operation in various environmental conditions.
• Automotive Electronics: The LD39115J12R can be used in automotive applications where a stable power supply is critical, such as infotainment systems and sensor modules.

Conclusion of LD39115J12R

The LD39115J12R from STMicroelectronics is a versatile and efficient linear voltage regulator that offers a fixed 1.2V output with a maximum current of 150mA. Its low quiescent current, high PSRR, and built-in protection features make it an ideal choice for a wide range of applications, particularly in portable and battery-powered devices. With its RoHS compliance and REACH unaffected status, the LD39115J12R is also an environmentally friendly option for designers looking to meet regulatory requirements.