FAN1117AT18

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The FAN1117AT18 is a linear voltage regulator from the FAN1117 series of low-dropout regulators manufactured by Taiwan-based FANUC Corp. It is a low-profile, thermally enhanced, 3-terminal device, especially designed as an upgrade for conventional fixed and adjustable regulators. This particular FAN1117 is an 18V regulator, allowing an output current up to 1A with an output voltage that is adjustable. It also has a low quiescent current, making it suitable for applications requiring low power consumption.

Linear voltage regulators are commonly used in switching power supplies, portable electronic devices and industrial apparatus. The main function of a linear voltage regulator is to maintain and control the output voltage of a power supply. This is done by regulating the amount of current that flows through a load. The FAN1117AT18 linear voltage regulator, specifically, is designed to provide a constant voltage level. This is beneficial in a wide range of applications, including logic controllers, power amplifiers and battery charging circuits.

Voltage regulators can be categorized in two distinct types: linear and switching. Linear regulators, such as the FAN1117AT18, work on the principle of resistive load. This notion is based on the fact that for a voltage to be regulated, some form of load is needed to counter the force of the current. This resistance reduces the voltage output to a desired level. A linear regulator works by controlling the amount of current drawn by the load, thus controlling the output voltage level.

The FAN1117AT18 device has three terminals: input, output and ground, and works in the following manner: an input voltage is applied at the input terminal, and then to the regulator. The regulator then compares the input voltage to the reference voltage and adjusts the output voltage accordingly. This is done by controlling the amount of current flowing through the load. The output voltage is maintained at a desired level, regardless of the load, temperature, or input voltage.

One of the advantages of the FAN1117AT18 is its low thermal resistance, allowing for higher output current and improved efficiency. This makes the FAN1117AT18 suitable for a wide range of applications, including on-board regulators, and DC-DC converters. Furthermore, the regulator operates within a wide temperature range, has low quiescent current, and is designed to be used in multiple-output applications, making it an ideal choice for cost-sensitive and low-power applications.

The FAN1117AT18 is a 3-terminal linear voltage regulator that is designed to provide precise voltage regulation with an adjustable output voltage. It is versatile, thermally enhanced, and has a low-dropout voltage, making it a great solution for a variety of applications. The device is ideal for cost-sensitive and low-power applications, making it a perfect choice for anyone looking for a reliable and efficient regulator.

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