L4931ABD25-TR Integrated Circuits (ICs)

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The L4931ABD25-TR is a voltage regulator from the Linear PMIC (Power Management IC) family designed to apply power to a load in an efficient and stabilized manner. This power regulator incorporates a linear regulator in its internal circuit which allows for the production of a constant output voltage and current which is independent of the input voltage. The L4931ABD25-TR maintains a regulated output voltage with a maximum of 25V and a maximum quiescent current of 179μA.

The L4931ABD25-TR belongs to the family of fixed-output linear regulators. This family of regulators offers a stable and accurate output voltage with minimal external components. They are ideal in applications requiring circuit protection against input voltage transients, high power output requirements, and precise control of output voltage. Typical applications of the L4931ABD25-TR include the regulation of power used to drive DC motors and other power-consuming components in industrial applications.

The core of the L4931ABD25-TR is the linear regulator, which regulates the input voltage to produce an exact output voltage. It acts like a voltage-controlled current source, such that the load current is adjusted dynamically to maintain the desired output voltage. The L4931ABD25-TR has a wide range of voltage and current ratings, allowing for efficient operation of most electrical loads. It has a maximum input voltage of 35V, a maximum output voltage of 25V, a maximum output current of 2A, and a maximum quiescent current of 179μA.

The L4931ABD25-TR integrates several features, including thermal shutdown and short-circuit protection. Thermal shutdown, implemented by a temperature-activated switch, prevents the internal IC from overheating and damaging the circuit. Short-circuit protection, on the other hand, limits the output current to a safe value in the event of an output short-circuit, protecting the IC and other components in the circuit.

The L4931ABD25-TR package is a compact, surface-mount 8-Lead QFN with an exposed thermal pad and thermal potentiometer. The lead-frame design ensures a low thermal resistance, ensuring that the regulator does not overheat even in high-current applications. The L4931ABD25-TR has a wide operating temperature range of -40°C to +125°C, making it suitable for use in a range of industrial applications.

In summary, the L4931ABD25-TR voltage regulator from Linear PMIC is a compact, efficient and reliable power regulator for applications requiring regulated output voltage and current. It is ideal for use in industrial applications requiring efficient power delivery. It has a wide range of voltage and current ratings, and includes features such as temperature-activated shutoff and short-circuit protection which ensure a safe and reliable operation.

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