LDS3985M18R Low Dropout Regulator

The LDS3985M18R is a highly efficient, low dropout (LDO) voltage regulator manufactured by STMicroelectronics, a global semiconductor leader renowned for its innovative and reliable products. This LDO is designed to deliver a stable and precise 1.8V output voltage, making it an ideal power management solution for a wide range of applications.

Key Features

• Output Voltage: Fixed output at 1.8V, suitable for powering low-voltage digital circuits.
• High Accuracy: Output voltage tolerance is within ±1%, ensuring reliable operation of sensitive electronic components.
• Low Dropout: The device can operate with a very low input-to-output differential voltage, enhancing efficiency and battery life in portable applications.
• Current Supply: Capable of supplying up to 300mA of output current, catering to moderate power demands.
• Low Quiescent Current: Offers an extremely low quiescent current, which is ideal for battery-powered devices.
• Thermal Protection: Integrated thermal shutdown feature protects the device from overheating.
• Short-Circuit Protection: Built-in short-circuit protection ensures safety and longevity of the regulator and the electronic system.

Applications

The LDS3985M18R is versatile and can be used in various electronic devices where stable voltage is crucial. It is particularly suitable for:

• Battery-powered equipment
• Mobile phones and personal digital assistants (PDAs)
• Portable media players
• Wireless LAN and Bluetooth® devices

Package Information

This LDO comes in a small surface-mount package, making it easy to integrate into space-constrained designs. The package is designed for optimal thermal performance, ensuring reliability even under high load conditions.

Manufacturer Support

STMicroelectronics provides comprehensive technical support for the LDS3985M18R, including detailed datasheets, application notes, and reference designs. Customers can also access ST's technical support services for further assistance with their design and development needs.