The LDS3985M15R is a high-performance linear voltage regulator IC from STMicroelectronics. As a member of the PMIC - Voltage Regulators - Linear category, this device is designed to provide a fixed positive 1.5V output with a maximum current of 300mA.
The key features of this product include its compact SOT-23-5 package, wide operating temperature range of -40°C to 125°C, and RoHS compliance. The regulator offers several protection features, such as overcurrent and overtemperature protection, ensuring reliable operation in a variety of applications.
With a low quiescent current of 150μA and a high power supply rejection ratio (PSRR) of 55dB to 50dB from 1kHz to 10kHz, the LDS3985M15R delivers excellent line and load regulation. The maximum voltage dropout of 0.25V at 300mA output current further enhances its efficiency and suitability for power-sensitive designs.
This linear voltage regulator is well-suited for a wide range of applications, including portable electronics, consumer devices, industrial equipment, and other systems that require a stable and reliable 1.5V power supply. Its small footprint and surface-mount packaging make it easy to integrate into compact circuit boards.
While there may be equivalent or alternative models available from other manufacturers, the LDS3985M15R stands out as a high-quality, feature-rich solution from a reputable vendor, STMicroelectronics. The Digi-Key part number for this product is LDS3985M15R-ND.
LDS3985M15R Key Technical Attributes
Manufacturer: STMicroelectronics
Base Part Number: LDS3985
Detailed Description: Linear Voltage Regulator IC Positive Fixed
LDS3985M15R Packing Size
Packaging Type: Tape & Reel (TR)
Encapsulation: SOT23-5
Supplier Device Package: SOT-23-5
LDS3985M15R Application
Designed for use in battery-powered systems and portable devices
LDS3985M15R Features
The LDS3985M15R provides a fixed output voltage of 1.5V, with a maximum output current capability of 300mA, making it suitable for low power applications. It features low dropout performance with a maximum dropout voltage of 0.25V under a full load condition. The IC also operates between -40°C to 125°C, which supports its use in varying environmental conditions. Additionally, it includes protection features like over-current and over-temperature protection to enhance device safety and reliability. It showcases a low quiescent current of 150A, helpful for battery conservation in portable applications. Its PSRR of 55dB to 50dB between 1kHz and 10kHz facilitates stable operation against background noise in electrical circuits.
LDS3985M15R Quality and Safety Features
Moisture Sensitivity Level (MSL) of 1 (Unlimited
This product is Lead free / RoHS Compliant
Includes over-current and over-temperature protection
LDS3985M15R Compatibility
This linear voltage regulator is compatible with surface mount (SMT) boards and can be incorporated into designs that require voltage regulation with minimal design complexity.
LDS3985M15R Datasheet PDF
For accurate specifications and comprehensive information, the datasheet for LDS3985M15R is available on our website. Customers are recommended to download the datasheet for this product directly from the current page to ensure they have the most authoritative and up-to-date information.
Quality Distributor
IC-Components is a premier distributor of STMicroelectronics, committed to offering quality and genuine parts including the LDS3985M15R. For reliable sourcing and competitive pricing, we suggest getting a quote directly through our website. Choose IC-Components for guaranteed product authenticity and customer satisfaction.
