STMicroelectronics

LDLN015PU12R

LDLN015PU12R Description

The LDLN015PU12R is a linear regulator designed for applications requiring a fixed output voltage of 1.2V and a maximum output current of 150mA. Manufactured by STMicroelectronics, this device is part of the Power Management Integrated Circuits (PMIC) category. It features a maximum input voltage of 5.5V and is designed for surface mount applications, making it ideal for compact and efficient power management solutions. The regulator is housed in a 6DFN package and is available in tape and reel format (Tape & Reel, TR).

LDLN015PU12R Features

• Output Type: Fixed at 1.2V, ensuring 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 150mA, suitable for low-power applications.
• Low Quiescent Current: Only 60 µA, which minimizes power consumption in standby mode.
• Low Supply Current: Maximum of 120 µA, contributing to overall energy efficiency.
• High PSRR: Ranging from 92dB at 1kHz to 50dB at 100kHz, ensuring excellent noise rejection and clean output voltage.
• Control Features: Includes an enable function, allowing for dynamic control of the regulator's operation.
• Protection Features: Over-current and over-temperature protection ensure robustness and reliability.
• Mounting Type: Surface mount, ideal for space-constrained designs.
• Package: 6DFN, providing a compact footprint and enhanced thermal performance.
• Compliance: ROHS3 compliant and REACH unaffected, ensuring environmental and regulatory standards are met.

LDLN015PU12R Applications

The LDLN015PU12R is well-suited for a variety of applications where low power consumption, stable voltage regulation, and compact design are critical. Specific use cases include:

• Portable Devices: Ideal for battery-powered applications such as smartphones, tablets, and wearable devices, where energy efficiency and small form factor are essential.
• Consumer Electronics: Suitable for devices like digital cameras, media players, and smart home devices, providing reliable power management.
• Industrial Applications: Can be used in sensors, IoT devices, and other low-power industrial equipment, ensuring stable operation under varying input voltage conditions.
• Medical Devices: Applicable in portable medical devices such as glucose meters and portable ECG machines, where precise voltage regulation and low power consumption are crucial.

Conclusion of LDLN015PU12R

The LDLN015PU12R from STMicroelectronics is a versatile and efficient linear regulator designed for applications requiring stable 1.2V output and up to 150mA current. Its low quiescent current, high PSRR, and compact 6DFN package make it an excellent choice for low-power, space-constrained designs. With features such as enable control and robust protection mechanisms, this regulator ensures reliable operation in a wide range of applications. Despite being marked as obsolete, the LDLN015PU12R remains a valuable component for existing designs and legacy systems, offering a reliable and efficient power management solution.