STMicroelectronics

LDS3985M33R  

Linear & Switching Voltage Regulators

LDS3985M33R Description

The LDS3985M33R is a high-performance, fixed-output linear voltage regulator designed and manufactured by STMicroelectronics. This device is part of the Linear & Switching Voltage Regulators category and offers a range of advanced features that make it ideal for various applications. With a fixed output voltage of 3.3V and an output current of 300mA, the LDS3985M33R is capable of providing stable and efficient power regulation. Its compact SOT23-5 package makes it suitable for surface mount applications, while its low quiescent current of 150 µA ensures minimal power consumption.

LDS3985M33R Features

• Output Type: Fixed, providing a stable and consistent output voltage of 3.3V.
• Voltage - Input (Max): 6V, allowing for a wide range of input voltages.
• Current - Output: 300mA, suitable for applications requiring moderate current levels.
• Number of Regulators: 1, ensuring focused power regulation.
• Output Configuration: Positive, ideal for applications requiring a positive voltage output.
• Current - Supply (Max): 300 µA, minimizing power consumption.
• Product Status: Active, indicating ongoing production and availability.
• REACH Status: REACH Unaffected, ensuring compliance with European chemical regulations.
• RoHS Status: ROHS3 Compliant, adhering to environmental and health standards.
• Moisture Sensitivity Level (MSL): 1 (Unlimited), providing resistance to moisture-related issues.
• Voltage Dropout (Max): 0.25V @ 300mA, ensuring efficient power regulation even under load.
• PSRR: 55dB ~ 50dB (1kHz ~ 10kHz), offering excellent power supply rejection ratio.
• Mounting Type: Surface Mount, suitable for compact and space-constrained applications.
• Control Features: Shutdown, allowing for power management and energy savings.
• Protection Features: Over Current and Over Temperature, safeguarding the device from potential damage.

LDS3985M33R Applications

The LDS3985M33R is ideal for a variety of applications where stable and efficient power regulation is required. Some specific use cases include:

1. Portable Electronics: Due to its low power consumption and compact size, the LDS3985M33R is perfect for powering portable devices such as smartphones, tablets, and wearables.
2. Industrial Control Systems: The device's robust protection features and stable output make it suitable for use in industrial control systems where reliability is crucial.
3. Automotive Applications: The LDS3985M33R can be used in automotive electronics, providing stable power to various components within the vehicle.
4. Medical Devices: Its low quiescent current and stable output make it suitable for powering sensitive medical devices that require precise voltage regulation.

Conclusion of LDS3985M33R

The LDS3985M33R from STMicroelectronics is a versatile and reliable linear voltage regulator that offers a range of advanced features and benefits. Its fixed output voltage of 3.3V, combined with its ability to handle up to 300mA of output current, makes it an excellent choice for a variety of applications. The device's low power consumption, compact size, and robust protection features further enhance its appeal, making it a top choice for designers looking for a high-performance voltage regulator.

LDS3985M33R Documents

Download datasheets and manufacturer documentation for LDS3985M33R

PCN Assembly/Origin :

New Lead-Frame 01/Sep/2020      

Datasheets :

LDS3985xx      

PCN Packaging :

Moisture Barrier Bag 09/May/2016      

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