STMicroelectronics

LDLN025M18R  

Linear & Switching Voltage Regulators

LDLN025M18R Description

The LDLN025M18R is a high-performance linear voltage regulator designed by STMicroelectronics, offering a fixed output voltage of 1.8V and a maximum output current of 250mA. This device is optimized for low dropout voltage, ensuring efficient power conversion even at high output currents. The regulator features a maximum dropout voltage of 0.2V at 250mA, making it suitable for applications where input voltage margins are tight. The LDLN025M18R is housed in a compact SOT23-5 package, ideal for space-constrained designs.

LDLN025M18R Features

• Output Type: Fixed
• Input Voltage Range: Up to 5.5V
• Output Voltage: Fixed at 1.8V
• Output Current: Up to 250mA
• Dropout Voltage: Maximum 0.2V at 250mA
• Quiescent Current: Low at 25 µA
• Supply Current: Maximum 425 µA
• Power Supply Rejection Ratio (PSRR): 80dB to 60dB across a frequency range of 100Hz to 100kHz
• Protection Features: Over current, over temperature, short circuit, and soft start
• Control Features: Enable
• Package Type: SOT23-5
• Mounting Type: Surface Mount
• Moisture Sensitivity Level (MSL): 1 (Unlimited)
• Compliance: RoHS3 compliant and REACH unaffected

LDLN025M18R Applications

The LDLN025M18R 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, portable electronics, and systems where input voltage fluctuations are common. The regulator's compact form factor and surface-mount package are particularly beneficial for designs with limited board space, such as smartphones, tablets, and IoT devices. The enable feature allows for power management and control, enhancing the flexibility of the device in various power-sensitive applications.

Conclusion of LDLN025M18R

The LDLN025M18R from STMicroelectronics stands out as a reliable and efficient linear voltage regulator. Its low dropout voltage, high PSRR, and comprehensive protection features ensure robust performance and reliability in a wide range of applications. The compact SOT23-5 package and surface-mount design make it an excellent choice for modern electronics where space and efficiency are critical. Whether powering sensitive analog circuits or providing stable power in portable devices, the LDLN025M18R delivers exceptional performance and versatility.

LDLN025M18R Documents

Download datasheets and manufacturer documentation for LDLN025M18R

PCN :

Product Change Notification (PDF)