The LDK130M18R from STMicroelectronics is a high-performance low-dropout (LDO) voltage regulator that offers a stable and reliable power supply solution for a wide range of applications. This compact and efficient component is designed to maintain a consistent voltage level, providing an output current of up to 300 mA with an input voltage range from 2.5 V to 18 V.

Key Features

• Output Voltage: The LDK130M18R provides a fixed output voltage of 1.8 V, which is ideal for powering low-voltage digital circuits and microcontroller-based systems.
• Low-Dropout: With a very low dropout voltage, this LDO regulator ensures efficient operation even when the input voltage is close to the output voltage, making it suitable for battery-powered devices.
• High Accuracy: The output voltage is guaranteed to be accurate within ±1%, ensuring precise power delivery for sensitive electronic components.
• Low Ground Current: The LDK130M18R features a low ground current, which contributes to its overall power efficiency, particularly important for extending battery life in portable applications.
• Thermal Protection: Built-in thermal shutdown protection safeguards the device from damage due to overheating, enhancing its reliability and longevity.
• Current Limiting: The regulator includes current limiting functionality, which prevents damage to the device and the load in the event of a short circuit or excessive power draw.

Applications

The LDK130M18R is versatile and can be used in various applications, including:

• Mobile phones and personal digital assistants (PDAs)
• Portable media players and audio devices
• Microcontroller power supplies
• Portable and battery-powered equipment
• Automotive and industrial applications requiring a stable voltage supply

Package and Availability

The LDK130M18R is available in a small surface-mount package, which is suitable for space-constrained applications. To ensure the highest quality and reliability, STMicroelectronics provides detailed technical documentation, including datasheets and application notes, to assist designers in integrating this LDO regulator into their projects.