STMicroelectronics

LDLN025PU29R

LDLN025PU29R Description

The LDLN025PU29R is a high-performance linear regulator designed by STMicroelectronics, a leading manufacturer in the electronics industry. This IC is part of the Power Management Integrated Circuit (PMIC) category and is specifically tailored for applications requiring a fixed output voltage and low dropout voltage. The LDLN025PU29R features a fixed output voltage of 2.9V and can deliver a maximum output current of 250mA. It operates within an input voltage range up to 5.5V, making it suitable for a wide range of power supply applications.

LDLN025PU29R Features

• Output Type: Fixed
• Input Voltage Range: Up to 5.5V
• Output Voltage: Fixed at 2.9V
• Output Current: 250mA
• Low Dropout Voltage: Maximum of 0.25V at 250mA, ensuring high efficiency even at low input-to-output voltage differentials.
• Low Quiescent Current: 25 µA, which minimizes power consumption in standby mode.
• High PSRR: 80dB at 100Hz to 60dB at 100kHz, providing excellent noise rejection and stable output voltage.
• Protection Features: Over current, over temperature, short circuit, and soft start, ensuring robust and reliable operation.
• Control Features: Enable function for easy control and power management.
• Package Type: 4DFN, suitable for surface mount applications, providing a compact and efficient solution.
• Compliance: ROHS3 compliant and REACH unaffected, ensuring environmental and regulatory standards are met.
• Moisture Sensitivity Level: MSL 1 (Unlimited), suitable for various manufacturing environments.

LDLN025PU29R Applications

The LDLN025PU29R is ideal for a variety of applications where a stable and efficient power supply is required. Its low dropout voltage and high PSRR make it particularly suitable for applications with tight voltage margins and noise-sensitive circuits. Some specific use cases include:

• Consumer Electronics: Ideal for portable devices such as smartphones, tablets, and wearables where space and power efficiency are critical.
• Industrial Equipment: Suitable for sensors, controllers, and other industrial applications that require stable power supply and protection features.
• Medical Devices: Applicable in medical equipment where reliability and low noise are essential for accurate measurements and performance.
• Automotive Systems: Can be used in automotive electronics where robustness and high performance are required under varying operating conditions.

Conclusion of LDLN025PU29R

The LDLN025PU29R from STMicroelectronics stands out in the market due to its combination of high performance and robust features. Its low dropout voltage and high PSRR make it an excellent choice for applications where efficiency and stability are paramount. The inclusion of advanced protection features and control functions further enhances its reliability and versatility. Whether used in consumer electronics, industrial equipment, medical devices, or automotive systems, the LDLN025PU29R delivers a reliable and efficient power management solution.