STMicroelectronics

LDS3985PU33RY

LDS3985PU33RY Description

The LDS3985PU33RY is a high-performance linear voltage regulator designed by STMicroelectronics, a leading manufacturer in the electronics industry. This regulator is part of the Linear & Switching Voltage Regulators category and is specifically designed for automotive applications. It features a fixed output voltage of 3.3V and can deliver a maximum output current of 300mA. The regulator operates with an input voltage range up to 6V and has a low dropout voltage of 0.25V at 300mA, ensuring efficient power conversion even at low input-to-output voltage differentials.

LDS3985PU33RY Features

• Output Type: Fixed
• Voltage - Input (Max): 6V
• Current - Output: 300mA
• Number of Regulators: 1
• Output Configuration: Positive
• Current - Supply (Max): 300 µA
• Product Status: Active
• REACH Status: REACH Unaffected
• Mfr: STMicroelectronics
• Voltage - Output (Min/Fixed): 3.3V
• Voltage Dropout (Max): 0.25V @ 300mA
• RoHS Status: ROHS3 Compliant
• Moisture Sensitivity Level (MSL): 3 (168 Hours)
• Current - Quiescent (Iq): 150 µA
• PSRR: 55dB ~ 50dB (1kHz ~ 10kHz)
• ECCN: EAR99
• Grade: Automotive
• Mounting Type: Surface Mount
• Control Features: Shutdown
• Protection Features: Over Current, Over Temperature
• HTSUS: 8542.39.0001
• Package: Tape & Reel (TR)
• Base Product Number: LDS3985

The LDS3985PU33RY stands out with its low quiescent current of 150 µA, making it highly efficient for applications where power consumption is a critical factor. Additionally, the regulator includes shutdown control, allowing for power-saving modes and enhanced system control. The over-current and over-temperature protection features ensure robustness and reliability in demanding automotive environments.

LDS3985PU33RY Applications

The LDS3985PU33RY is ideally suited for automotive applications where a stable and efficient power supply is essential. Its automotive grade qualification ensures it meets the stringent requirements of the automotive industry, including high reliability and durability under harsh conditions. Specific use cases include:

• Automotive Electronics: Powering electronic control units (ECUs), infotainment systems, and other automotive electronic modules.
• Industrial Applications: Providing stable power to sensors, actuators, and other industrial equipment.
• Consumer Electronics: Suitable for portable devices and other consumer electronics requiring a reliable power supply.

Conclusion of LDS3985PU33RY

The LDS3985PU33RY from STMicroelectronics is a versatile and efficient linear voltage regulator designed for automotive and industrial applications. Its low dropout voltage, low quiescent current, and robust protection features make it an ideal choice for applications where power efficiency and reliability are paramount. The inclusion of shutdown control and compliance with automotive standards further enhance its suitability for demanding environments. Whether powering automotive ECUs or industrial sensors, the LDS3985PU33RY delivers reliable performance and exceptional efficiency.