STMicroelectronics

LDLN025J33R

LDLN025J33R Description

The LDLN025J33R is a high-performance linear regulator designed for applications requiring a stable and efficient power supply. Manufact byured STMicroelectronics, this device is part of the Power Management Integrated Circuits (PMIC) category and offers a fixed output voltage of 3.3V with a maximum output current of 250mA. The regulator is designed to operate with an input voltage range up to 5.5V, making it suitable for a variety of power supply applications. The LDLN025J33R features a low dropout voltage of 0.2V at 250mA, ensuring high efficiency even at low input-to-output voltage differentials.

LDLN025J33R Features

• Output Type: Fixed, providing a stable 3.3V output voltage.
• Input Voltage Range: Up to 5.5V, offering flexibility in power supply design.
• Output Current: Capable of delivering up to 250mA, suitable for a wide range of applications.
• Low Dropout Voltage: 0.2V at 250mA, enhancing efficiency in low-voltage applications.
• Quiescent Current: As low as 25 µA, minimizing power consumption in standby mode.
• Supply Current: Maximum of 425 µA, ensuring efficient operation.
• Control Features: Includes an enable function for power management.
• Protection Features: Over current, over temperature, short circuit, and soft start protections ensure robust and reliable operation.
• PSRR: 80dB to 60dB across a frequency range of 100Hz to 100kHz, providing excellent noise rejection.
• Package Type: 4-Flip-Chip, suitable for compact and surface-mount designs.
• Compliance: ROHS3 compliant and REACH unaffected, ensuring environmental and regulatory standards are met.
• Moisture Sensitivity Level: MSL 1 (Unlimited), suitable for various manufacturing environments.

LDLN025J33R Applications

The LDLN025J33R is ideal for applications where a stable and efficient power supply is critical. Its dropout low voltage and high PSRR make it particularly suitable for battery-powered devices and portable electronics, where maintaining efficiency and minimizing noise are essential. The enable function allows for dynamic power management, making it a versatile choice for systems requiring power sequencing or sleep modes.

Specific use cases include:

• Battery-Powered Devices: The low dropout voltage ensures efficient operation even as battery voltage drops.
• Portable Electronics: The compact 4-Flip-Chip package and surface-mount design make it ideal for space-constrained applications.
• Industrial Control Systems: The robust protection features and high PSRR ensure reliable operation in demanding environments.
• Consumer Electronics: The enable function and low quiescent current make it suitable for devices with standby modes.

Conclusion of LDLN025J33R

The LDLN025J33R from STMicroelectronics is a high-performance linear regulator that offers a combination of efficiency, stability, and robustness. Its low dropout voltage, high PSRR, and comprehensive protection features make it a superior choice over similar models. The enable function and low quiescent current further enhance its suitability for a wide range of applications, particularly in battery-powered and portable electronics. The LDLN025J33R is an excellent choice for designers seeking a reliable and efficient power management solution.