MC78M24BT

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The MC78M24BT is a three terminal fixed negative output voltage linear regulator that belongs in the PMIC, Voltage Regulators and Linear categories. This device has been designed to provide a negative fixed voltage output of 24V and typically provides 1.5A of continuous output current over a wide input and output voltage range.

The device employs internal Circuitry to provide very stable and low noise output voltage without external components. Internal over current sense and foldback circuitry in the device prevent the device from being damaged in the event of an overload.

The device operates from an input voltage range of 4V to 40V and has a temperature range of -40°C to +125°C. The MC78M24BT also features a thermal shutdown circuit which prevents the device from overheating in the event of a fault condition.

Applications for the MC78M24BT include medical, industrial, military and commercial applications that require reliable and stable negative output voltage. Possible applications include power supplies, UPS systems, data processing and communications equipment, automotive equipment, and instrumentation.

The MC78M24BT generally operates in three modes: linear, foldback current limiter and thermal shutdown. In linear mode, the voltage regulator is able to maintain a constant output voltage across its entire operating temperature range and input voltage range while providing a current limit of 1.5A.

During fault conditions such as an overload, the regulator enters the current limiter mode. In this mode the device reduces the output current and limits it to a safe foldback current level. This keeps the device from being damaged and keeps the output voltage from going too low.

If the MC78M24BT is subjected to a temperature overload, the thermal shutdown circuit will be activated and the output voltage will be switched off, thus preventing damage from overheating. The thermal shutdown circuit will reset itself once the temperature has stabilized.

The MC78M24BT is an efficient and reliable device for applications that require a constant and stable negative output voltage. It is designed to maintain a consistent output voltage and current over a wide input voltage range, with an output regulation of 2%. The foldback current limiter and thermal shutdown feature provides reliable protection from overloads and overheating conditions.

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