STMicroelectronics

L78L33ACZTR  

Linear & Switching Voltage Regulators

L78L33ACZTR Description

The L78L33ACZTR is a high-performance linear voltage regulator designed by STMicroelectronics. This device is part of the Linear & Switching Voltage Regulators category and is known for its fixed output type, which ensures a stable and consistent voltage supply. With a maximum input voltage of 30V and an output voltage of 3.3V, it is capable of delivering a continuous output current of 100mA. The L78L33ACZTR features a single regulator, a positive output configuration, and a maximum supply current of 6mA.

L78L33ACZTR Features

• Fixed Output Voltage: The L78L33ACZTR provides a fixed output voltage of 3.3V, ensuring reliable and stable power supply for various applications.
• Wide Input Voltage Range: With a maximum input voltage of 30V, this regulator can handle a wide range of input voltages, making it suitable for diverse applications.
• Low Output Noise: The L78L33ACZTR boasts a PSRR of 49dB at 120Hz, minimizing output noise and ensuring clean power supply.
• Protection Features: This device includes over current, over temperature, and short circuit protection, enhancing its reliability and longevity.
• Low Quiescent Current: The L78L33ACZTR consumes only 5.5mA in quiescent mode, making it energy-efficient and suitable for battery-powered applications.
• RoHS Compliance: The L78L33ACZTR is compliant with the RoHS3 directive, ensuring environmental sustainability.
• REACH Unaffected Status: This product is not affected by the REACH regulation, ensuring uninterrupted supply and compliance with European chemical regulations.

L78L33ACZTR Applications

The L78L33ACZTR is ideal for various applications due to its fixed output voltage, low noise, and protection features. Some specific use cases include:

• Portable Electronics: The low quiescent current makes it suitable for battery-powered devices, such as smartphones, tablets, and wearables.
• Industrial Control Systems: The wide input voltage range and protection features make it suitable for industrial control systems that require stable and reliable power supply.
• Automotive Applications: The L78L33ACZTR can be used in automotive electronics, such as infotainment systems and sensor interfaces, due to its wide operating temperature range (0°C to 125°C).
• Telecommunications: This regulator can be used in telecommunications equipment, such as routers and switches, to provide a stable and clean power supply.

Conclusion of L78L33ACZTR

The L78L33ACZTR is a versatile and reliable linear voltage regulator designed for a wide range of applications. Its fixed output voltage, low noise, and protection features make it an ideal choice for portable electronics, industrial control systems, automotive applications, and telecommunications. With its RoHS and REACH compliance, the L78L33ACZTR is not only a high-performance device but also environmentally friendly, making it a preferred choice for many engineers and designers in the electronics industry.

L78L33ACZTR Documents

Download datasheets and manufacturer documentation for L78L33ACZTR

Datasheets :

L78L Datasheet      

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L78L Datasheet