STMicroelectronics

LDO40LPU33RY  

Linear & Switching Voltage Regulators

LDO40LPU33RY Description

The LDO40LPU33RY is a high-performance linear voltage regulator from STMicroelectronics, designed to provide a stable 3.3V output with a maximum current of 400mA. This device is part of the LDO40 family, known for its low dropout voltage, high PSRR, and excellent load regulation. The LDO40LPU33RY is manufactured using automotive-grade technology, making it suitable for demanding applications that require reliable and efficient power regulation.

LDO40LPU33RY Features

• Output Type: Fixed, providing a stable 3.3V output voltage.
• Voltage - Input (Max): 38V, allowing for a wide input voltage range.
• Current - Output: 400mA, suitable for applications requiring high current.
• Number of Regulators: 1, providing a single output.
• Output Configuration: Positive, ideal for applications requiring a positive voltage reference.
• Current - Supply (Max): 140 µA, ensuring low power consumption.
• Product Status: Active, indicating ongoing production and availability.
• REACH Status: REACH Unaffected, complying with European chemical regulations.
• RoHS Status: ROHS3 Compliant, adhering to environmental standards.
• Moisture Sensitivity Level (MSL): 3 (168 Hours), suitable for harsh environments.
• Current - Quiescent (Iq): 90 µA, minimizing power loss in idle mode.
• PSRR: 77dB ~ 42dB (100Hz ~ 10kHz), providing excellent power supply rejection ratio.
• Control Features: Enable, allowing for easy integration into various systems.
• Protection Features: Current Limit, Thermal Shutdown, ensuring device safety and reliability.

LDO40LPU33RY Applications

The LDO40LPU33RY is ideal for a wide range of applications due to its high performance, reliability, and automotive-grade design. Some specific use cases include:

• Automotive Electronics: Powering various electronic systems in vehicles, such as infotainment systems, sensors, and control units.
• Industrial Control Systems: Providing stable power to microcontrollers, sensors, and other components in harsh industrial environments.
• Telecommunications Equipment: Ensuring reliable power regulation for communication devices, such as routers and switches.
• Portable Electronics: Powering devices like smartphones, tablets, and wearables, where efficient power management is crucial.

Conclusion of LDO40LPU33RY

The LDO40LPU33RY is a versatile and high-performance linear voltage regulator, offering a fixed 3.3V output with a maximum current of 400mA. Its automotive-grade design, low dropout voltage, and excellent PSRR make it an ideal choice for demanding applications in various industries. With its unique features and advantages over similar models, the LDO40LPU33RY stands out as a reliable and efficient solution for power regulation in a wide range of applications.

LDO40LPU33RY Documents

Download datasheets and manufacturer documentation for LDO40LPU33RY

Datasheets :

LDO40L Datasheet      

HTML Datasheet :

LDO40L Datasheet