STMicroelectronics

LD39115J12R  

Linear & Switching Voltage Regulators

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.

LD39115J12R Documents

Download datasheets and manufacturer documentation for LD39115J12R

Datasheets :

LD39115xx      

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PCN Obsolescence/ EOL :

OBS NOTICE 23/Aug/2023      

HTML Datasheet :

LD39115xx