onsemi

LM7805ECT

LM7805ECT Description

The LM7805ECT is a fixed-output linear voltage regulator designed to provide a stable 5V output voltage with a maximum input voltage of 35V. Manufactured by onsemi, this regulator is part of the Linear & Switching Voltage Regulators category and is housed in a TO-220-3 package, making it suitable for through-hole mounting. Despite being marked as obsolete, the LM7805ECT remains a reliable choice for applications requiring a simple, robust power supply solution.

LM7805ECT Features

• Output Type: Fixed at 5V, ensuring a stable and consistent power supply.
• Input Voltage Range: Capable of handling input voltages up to 35V, providing flexibility in power source selection.
• Output Current: Delivers up to 1.5A, sufficient for a wide range of electronic devices.
• Dropout Voltage: A maximum dropout voltage of 2V at 1A (typical) ensures efficient operation even at lower input voltages.
• Operating Temperature: Functions reliably within a temperature range of 0°C to 125°C, making it suitable for various environmental conditions.
• Protection Features: Equipped with over-temperature and short-circuit protection, enhancing the reliability and safety of the regulator.
• Quiescent Current: Low quiescent current of 8 mA minimizes power consumption during idle operation.
• Power Supply Rejection Ratio (PSRR): Achieves a PSRR of 73dB at 120Hz, effectively filtering out noise from the input power supply.
• Moisture Sensitivity Level (MSL): MSL 1 (Unlimited) indicates that the component is not sensitive to moisture, simplifying storage and handling requirements.
• Package Type: Supplied in a tube package, facilitating easy handling and assembly in manufacturing processes.

LM7805ECT Applications

The LM7805ECT is ideal for a variety of applications where a stable 5V power supply is required. Its robust design and protection features make it suitable for:

• Consumer Electronics: Powering devices such as radios, small appliances, and portable electronics.
• Industrial Equipment: Providing stable power to control systems, sensors, and actuators.
• Automotive Applications: Ensuring reliable power supply in automotive electronics, such as dashboard systems and infotainment units.
• Telecommunications: Supplying power to communication devices and infrastructure components.
• Medical Devices: Powering non-critical medical equipment where stable voltage is essential.

Conclusion of LM7805ECT

The LM7805ECT, despite its obsolete status, remains a valuable component in the electronics industry due to its reliability and simplicity. Its fixed 5V output, combined with robust protection features and a wide operating temperature range, makes it an ideal choice for a variety of applications. While newer models may offer additional features and higher efficiency, the LM7805ECT continues to provide a dependable power supply solution for many existing and new designs.