LM7808ACT

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LM7808ACT is a very popular three-terminal linear positive voltage regulator in the PMIC (Power Management Integrated Circuit) category of voltage regulators. It is available in a an encapsulated TO-220, DDPAK and a number of other surface mount packages, and can be used for a variety of applications. LM7808ACT is designed for up to 8A of current delivered and has an output voltage of 8V. This makes it suitable for a variety of applications, such as providing stabilized power supply from an unregulated source, controlling the voltage in a linear regulator system, switching regulator circuits, cellular phone charger circuits, on-board power supplies and battery charging.The LM7808ACT works on the principle of a linear regulator. It uses an inherent series of pass elements to regulate the output voltage and current. If the output voltage starts to fall below the set level, the feedback circuit senses this and a higher voltage is driven to the base of the pass elements to make them more conducting, which in turn increases the output voltage. This puts the control loop into an equilibrium and the output voltage is automatically adjusted to the required level.The LM7808ACT has an input voltage range of 6 to 18 V, and can regulate an output of 8 V with an accuracy of +/-2%. It is available in a wide selection of package types, including the TO-220, DDPAK, and DPAK. It also has several protection features, including current limiting, thermal shutdown, and ripple rejection.The LM7808ACT can be used in many applications, such as battery charging circuits, controlling the voltage in linear regulator systems, on-board power supplies, cellular phone charger circuits, and switching regulator circuits. It is suitable for up to 8A of current delivery and offers accurate output voltage with low noise levels.The LM7808ACT is a low cost, high performance three-terminal linear regulator. It is a robust and reliable device, offering a wide input voltage range, current limiting protection, thermal shutdown, and ripple rejection features. It is suitable for many applications, such as battery charging circuits, controlling the voltage in linear regulator systems, and switching regulator circuits, making it a great choice for PMICs.

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