STMicroelectronics

L78L33CD-TR  

Linear & Switching Voltage Regulators

L78L33CD-TR Description

The L78L33CD-TR is a linear voltage regulator designed and manufactured by STMicroelectronics. This device is part of the Linear & Switching Voltage Regulators category and is known for its fixed output voltage of 3.3V and a maximum output current of 100mA. With a single regulator, it is configured for a positive output and is designed to operate within a wide input voltage range up to 30V. The device consumes a maximum supply current of 6 mA and has a quiescent current of 5.5 mA, making it energy-efficient.

L78L33CD-TR Features

• Fixed Output Voltage: The L78L33CD-TR provides a stable 3.3V output, which is crucial for maintaining consistent performance in electronic systems.
• Efficient Power Supply: With a maximum supply current of 6 mA, this regulator is designed for low power consumption, extending battery life in portable devices.
• Protection Features: It includes over current, over temperature, and short circuit protection, enhancing the reliability and safety of the system.
• PSRR: The device boasts a power supply rejection ratio of 49dB at 120Hz, which minimizes noise and interference from the power supply.
• Moisture Sensitivity Level (MSL): Rated at level 1, the L78L33CD-TR can be stored for an unlimited time without baking, simplifying logistics and storage.
• Operating Temperature Range: Capable of withstanding temperatures from 0°C to 125°C, making it suitable for a wide range of applications, including harsh environments.
• Package: The device is available in a Tape & Reel (TR) package, which is ideal for automated assembly processes.

L78L33CD-TR Applications

The L78L33CD-TR is ideal for applications requiring a stable and reliable 3.3V power supply with low noise and high efficiency. Some specific use cases include:

• Portable Electronics: Due to its low quiescent current, it is perfect for battery-powered devices like smartphones, tablets, and wearables.
• Industrial Controls: Its wide operating temperature range and robust protection features make it suitable for industrial equipment that operates in extreme conditions.
• Automotive Systems: The L78L33CD-TR can be used in automotive electronics for providing a stable power supply to various components within the vehicle.

Conclusion of L78L33CD-TR

The L78L33CD-TR from STMicroelectronics stands out for its fixed 3.3V output, low power consumption, and robust protection features. Its wide operating temperature range and moisture sensitivity level make it a versatile choice for various applications, particularly in portable electronics and industrial controls. With its high PSRR and compliance with RoHS3, this regulator is not only efficient but also environmentally friendly, making it a preferred choice for designers looking for high-performance linear voltage regulators.

L78L33CD-TR Documents

Download datasheets and manufacturer documentation for L78L33CD-TR

Datasheets :

L78L Datasheet      

PCN Packaging :

Cover Tape 07/Sep/2019      

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HTML Datasheet :

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