L7808ABD2T

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The L7808ABD2T is a linear voltage regulator that belongs to a family of voltage regulators known as Positive-Voltage Regulators (PMICs). It is designed to provide a regulated output voltage of 8V, and is typically used to regulate the power supply of analog circuits. The device is capable of delivering up to 1A of current with an output voltage of 8V, and is suitable for use in a variety of electronic applications, including circuit protection, power management, and voltage regulation.

The L7808ABD2T is a three-terminal, non-synchronous, step-down regulator that operates from an input voltage between 4.5V and 30V. It is available in a 7-pin Dual In-line Package (DIP) with either a plastic or ceramic case and is specified for operation over the temperature range of -40°C to +125°C. The output voltage can be adjusted using two optional external resistive dividers.

The L7808ABD2T features a wide input voltage range, low dropout, low quiescent current and thermal shutdown protection. It is designed to regulate the output voltage from 8V to 0.5V below the input voltage, and can be used with a variety of power saving techniques, such as pulse-width modulation (PWM) and switching mode power supplies (SMPS). The device also features short-circuit and over-current protection, and is capable of delivering up to 1A of continuous output current.

The L7808ABD2T works on a principle known as "linear regulation." This means that the output voltage is regulated by a built-in voltage reference and the adjustment of a resistive divider network. The voltage reference has a stable output voltage of typically 8V, and is connected to a transistor that acts as a variable resistor. The adjustable resistor or "R" is connected to the output of the regulator, and serves to maintain the 8V output when the input voltage is between 4.5V and 30V. As the input voltage changes, the variable resistor adjusts to maintain the 8V output voltage.

The L7808ABD2T is a versatile device that can be used in a wide range of applications, from small consumer electronics, to industrial control circuits. It is especially useful for applications where a regulated output voltage is required across a wide input range, or for use in low-dropout (LDO) circuits. It can also be used as a power converter to provide a regulated output voltage from a higher voltage battery. With its low dropout voltage and low quiescent current, the L7808ABD2T is an ideal choice for high efficiency step-down applications.

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