LDLN015PU28R Description
The LDLN015PU28R is a linear regulator from STMicroelectronics, designed for applications requiring a fixed output voltage of 2.8V and a maximum output current of 150mA. This regulator is part of the Power Management Integrated Circuits (PMIC) category and is housed in a 6DFN package, making it suitable for surface mount applications. Despite being marked as obsolete, the LDLN015PU28R remains a reliable choice for specific power management needs.
LDLN015PU28R Features
- Fixed Output Voltage: The LDLN015PU28R offers a fixed output voltage of 2.8V, ensuring stable power supply to connected devices.
- High Efficiency: With a maximum input voltage of 5.5V and a dropout voltage of only 0.18V at 150mA, this regulator maintains high efficiency even under varying input conditions.
- Low Quiescent Current: The quiescent current of 60 µA ensures minimal power consumption during operation, making it ideal for battery-powered applications.
- Enable Control Feature: The enable control feature allows for dynamic power management, enabling or disabling the regulator as needed.
- Protection Features: Over-current and over-temperature protection features safeguard the regulator and connected devices from potential damage.
- Low Supply Current: The maximum supply current of 120 µA ensures minimal power draw from the input source.
- High PSRR: A Power Supply Rejection Ratio (PSRR) ranging from 92dB to 50dB across frequencies from 1kHz to 100kHz ensures excellent noise rejection and stable output voltage.
- Moisture Sensitivity Level: The MSL level of 1 (unlimited) indicates that the component is not sensitive to moisture, making it suitable for a wide range of environmental conditions.
- Compliance: The LDLN015PU28R is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and safety standards.
LDLN015PU28R Applications
The LDLN015PU28R is ideal for a variety of applications where a stable and efficient power supply is required. Specific use cases include:
- Battery-Powered Devices: The low quiescent current and high efficiency make this regulator suitable for portable devices where battery life is critical.
- Embedded Systems: The fixed output voltage and enable control feature make it a good fit for embedded systems requiring precise power management.
- Consumer Electronics: The regulator's compact size and surface mount package make it suitable for consumer electronics where space is a constraint.
- Industrial Applications: The over-current and over-temperature protection features ensure reliability in industrial environments where robustness is essential.
Conclusion of LDLN015PU28R
The LDLN015PU28R from STMicroelectronics is a robust linear regulator with a fixed output voltage of 2.8V and maximum a output current of 150mA. Its low dropout voltage, low quiescent current, and high PSRR make it an efficient and stable power management solution. The enable control feature and protection mechanisms enhance its versatility and reliability. Despite being marked as obsolete, the LDLN015PU28R remains a viable option for applications requiring a compact, efficient, and reliable power supply. Its compliance with environmental and safety standards further ensures its suitability for a wide range of applications.