L78M08ABDT-1

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The L78M08ABDT-1 is a linear voltage regulator that is part of the Power Management Interface Circuits (PMICs) range. It is designed to provide a very compact and cost effective solution for DC/DC conversion applications within a system. This regulator provides a stable and fixed output voltage while also providing a low drop-out voltage and a low quiescent current. It is suitable for both single and dual supply operation.

The L78M08ABDT-1 is a high-side, 3-terminal linear regulator which operates from an input voltage of up to 40V, and provides an adjustable output voltage between 1.3V and 40V. The output voltage is set using an external resistor divider. The output current is up to 800mA and the output is protected from overload and short circuits. The device also provides temporary reverse current protection and thermal shutdown protection, ensuring that it operates safely in extreme conditions.

The internal circuitry of the L78M08ABDT-1 consists of an on-chip power Darlington transistor, an on-chip series current-limiting resistor, and a pair of thermal shutdown circuits. To ensure the highest efficiency, the power Darlington transistor is designed with a wide gate drive. During normal operation, the gate drive is driven to its maximum level, resulting in minimal voltage drop while providing optimal efficiencies. In the event of an overload or short-circuit condition, a current limiter is activated, preventing any catastrophic damage.

The L78M08ABDT-1 can be used in a wide range of applications, including power supply systems, power supplies for portable communication devices, computer peripherals, automotive applications, and any application that requires a stable and regulated output voltage. Additionally, this regulator is designed to be used in low-noise environments to provide the best performance possible. It is available in a SO-8 package, making it easy to install in most systems.

The L78M08ABDT-1 is an efficient and reliable voltage regulator that provides a stable and fixed output voltage with a low drop-out. It is suitable for both single and dual supply operation, making it a great choice for any application where space and costs are a concern. Its built-in features, such as the current limiter, reverse current protection, and thermal shutdown protection, ensure the device operates safely and provides optimal results in any condition. The device is also easy to install and use, making it a great choice for a wide range of applications.

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