STMicroelectronics

L78L05ACD  

Linear & Switching Voltage Regulators

L78L05ACD Description

The L78L05ACD is a linear voltage regulator from STMicroelectronics, designed to provide a stable 5V output with a maximum current of 100mA. It features a fixed output type, making it ideal for applications where a consistent voltage supply is required. The device can handle input voltages up to 30V, ensuring compatibility with a wide range of power sources. The L78L05ACD is a single-output regulator with a positive output configuration, suitable for various electronic circuits.

L78L05ACD Features

• Voltage Regulation: The L78L05ACD maintains a stable 5V output with a minimum output voltage of 5V, ensuring reliable performance in various applications.
• Input Voltage Range: The device can handle input voltages up to 30V, providing flexibility in power source selection.
• Output Current: With a maximum output current of 100mA, the L78L05ACD can support a variety of low-power electronic circuits.
• Efficiency: The L78L05ACD has a low quiescent current of 5.5mA, contributing to energy efficiency in power-sensitive applications.
• Protection Features: The device offers over-current, over-temperature, and short-circuit protection, ensuring reliable operation and longevity.
• PSRR: The L78L05ACD boasts a power supply rejection ratio of 49dB at 120Hz, minimizing the impact of power supply noise on the output voltage.
• RoHS Compliance: The L78L05ACD is compliant with RoHS3 standards, making it suitable for environmentally conscious designs.
• REACH Status: The device is REACH unaffected, ensuring compliance with European chemical regulations.

L78L05ACD Applications

The L78L05ACD is ideal for applications requiring a stable 5V supply with low output current. Some specific use cases include:

1. Portable Electronics: The L78L05ACD can be used in battery-powered devices, such as smartphones, tablets, and wearables, to provide a stable voltage supply for various components.
2. Industrial Controls: The device can be used in industrial control systems, where a consistent voltage supply is critical for reliable operation.
3. Automotive Applications: The L78L05ACD can be used in automotive electronics, such as infotainment systems and sensor circuits, to provide a stable power supply.
4. Telecommunications: The device can be used in telecommunications equipment, such as routers and switches, to provide a stable voltage supply for various components.

Conclusion of L78L05ACD

The L78L05ACD is a reliable and efficient linear voltage regulator from STMicroelectronics, offering a stable 5V output with a maximum current of 100mA. Its wide input voltage range, low quiescent current, and robust protection features make it an ideal choice for a variety of low-power electronic applications. While the device is now considered obsolete, it remains a popular choice for its performance benefits and unique features. However, it is essential to consider alternative models for new designs to ensure long-term availability and support.

L78L05ACD Documents

Download datasheets and manufacturer documentation for L78L05ACD

Datasheets :

L78L Datasheet