STMicroelectronics

LDLN025J32R

LDLN025J32R Description

The LDLN025J32R is a high-performance linear voltage regulator designed by STMicroelectronics, offering a fixed output voltage of 3.2V and capable of delivering up to 250mA of output current. This regulator is optimized for low dropout voltage, ensuring efficient power conversion even at high load currents. With a maximum dropout voltage of 0.2V at 250mA, the LDLN025J32R maintains high efficiency across a wide range of input voltages, from 3.2V up to 5.5V. The device is housed in a compact 4-FlipChip package, making it ideal for space-constrained applications.

LDLN025J32R Features

• Fixed Output Voltage: The LDLN025J32R provides a stable output voltage of 3.2V, ensuring consistent power supply to sensitive electronic components.
• High Efficiency: With a low dropout voltage of 0.2V at 250mA, this regulator maximizes power conversion efficiency, reducing power loss and heat generation.
• Low Quiescent Current: The device features a low quiescent current of 25µA, which is crucial for battery-powered applications where minimizing power consumption is essential.
• Enable Control: The regulator includes an enable pin, allowing users to control the power state of the device, thereby enhancing power management capabilities.
• Protection Features: The LDLN025J32R incorporates over-current, over-temperature, and short-circuit protection, ensuring robustness and reliability in various operating conditions.
• High PSRR: The regulator boasts a high power supply rejection ratio (PSRR) of 80dB to 60dB across a frequency range of 100Hz to 100kHz, effectively filtering out noise from the input power supply.
• Surface Mount Packaging: The device is available in a surface-mount package, facilitating easy integration into modern PCB designs.

LDLN025J32R Applications

The LDLN025J32R is well-suited for a variety of applications requiring a stable and efficient power supply. Its low dropout voltage and high PSRR make it ideal for:

• Battery-Powered Devices: The low quiescent current and high efficiency ensure extended battery life, making it suitable for portable electronics such as smartphones, tablets, and wearable devices.
• Low-Power Systems: The regulator's ability to operate with low input voltage and high efficiency makes it perfect for low-power IoT devices and embedded systems.
• Sensitive Electronics: The high PSRR and stable output voltage provide a clean power supply for sensitive analog and digital circuits, ensuring reliable performance.
• Automotive Applications: The robust protection features and wide operating temperature range make it suitable for automotive electronics, where reliability and durability are paramount.

Conclusion of LDLN025J32R

The LDLN025J32R from STMicroelectronics stands out as a versatile and efficient linear voltage regulator. Its combination of low dropout voltage, high PSRR, and low quiescent current makes it an excellent choice for applications requiring high efficiency and minimal power consumption. The inclusion of enable control and comprehensive protection features further enhances its reliability and usability. Whether powering battery-operated devices or sensitive electronics, the LDLN025J32R delivers exceptional performance and value, making it a preferred choice in the competitive landscape of linear voltage regulators.