onsemi

MC7924BT

MC7924BT Description

The MC7924BT is a linear regulator IC designed by onsemi, featuring a fixed output voltage of -24V and a maximum output current of 1A. This device is housed in a Through Hole TO220AB package, making it suitable for a variety of applications where a stable negative voltage supply is required. Despite being marked as obsolete, the MC7924BT remains a reliable choice for power management solutions due to its robust design and performance characteristics.

MC7924BT Features

• Output Type: Fixed, ensuring a stable -24V output.
• Output Current: Capable of delivering up to 1A, making it suitable for moderate power applications.
• Number of Regulators: Single regulator design simplifies circuit design and reduces component count.
• Output Configuration: Negative output voltage, ideal for applications requiring a negative supply rail.
• Voltage Dropout: A maximum dropout voltage of 1.3V at 1A (typical) ensures efficient operation even under heavy load conditions.
• Protection Features: Over Current and Over Temperature protection safeguard the device and connected circuits from damage.
• PSRR: 56dB at 120Hz, providing excellent noise rejection and stable output voltage.
• Moisture Sensitivity Level: MSL 1 (Unlimited), indicating the device is not sensitive to moisture, enhancing reliability in various environments.
• Mounting Type: Through Hole, facilitating easy integration into PCB designs.
• Package: Supplied in a Tube package, ensuring safe handling and storage.
• REACH Status: REACH Unaffected, ensuring compliance with environmental and safety regulations.
• ECCN: EAR99, indicating compliance with export control regulations.
• HTSUS: 8542.39.0001, facilitating accurate customs classification.

MC7924BT Applications

The MC7924BT is ideal for applications requiring a stable negative voltage supply. Its key applications include:

• Analog Circuits: Providing a clean, regulated negative supply for op-amps, ADCs, and DACs.
• Power Supply Units: Used in power supplies for laboratory equipment, medical devices, and industrial control systems.
• Telecommunications: Supplying stable power to communication modules and interface circuits.
• Consumer Electronics: Used in devices requiring a negative voltage rail, such as audio amplifiers and display drivers.

Conclusion of MC7924BT

The MC7924BT, despite being obsolete, remains a reliable and efficient linear regulator for applications requiring a stable -24V supply. Its robust design, featuring over current and over temperature protection, ensures long-term reliability. The low dropout voltage and high PSRR make it suitable for applications where efficiency and noise rejection are critical. While newer alternatives may offer additional features, the MC7924BT continues to be a valuable component in the power management portfolio of onsemi, offering a proven solution for a variety of electronic systems.