AN78L24

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The AN78L24 is a member of a family of low dropout Linear Regulators. The device is designed to provide a regulated output voltage with a wide selection of voltage sources and loads, so that it can accommodate a wide range of applications and user requirements. The device is capable of delivering up to 1A of output current, making it well suited for a range of battery-backed applications in automotive, industrial and consumer markets where power requirements range from a few milliwatt up to 2.5W.

The AN78L24 has a wide input voltage range of 4V to 40V. As such, it is suitable for use in various automotive applications such as HEV and EV, as well as in industrial applications such as LED lighting and instrumentation. In addition, it is also suitable for use in automated meter reading (AMR) applications.

The regulator has a wide range of built-in protection mechanisms including over-voltage, reverse current, load dump and over-temperature protection. It is designed to provide a regulated output voltage in a wide range of environments and with a wide range of load currents. The device can also be used with a wide range of input sources, such as 12V, 24V and 48V automotive batteries, potted industrial supplies, and more.

The AN78L24 device is a 3-terminal low dropout regulator that consists of an error amplifier, a voltage reference, and a power MOSFET. The device is designed to maintain a stable output voltage, regardless of input voltage, load current or temperature. This is accomplished by providing a level of error amplification which is proportional to the amount of voltage drop across the regulator.

The device works by comparing the reference voltage to the output voltage and adjusting the output voltage accordingly. The internal error amplifier keeps the output voltage within a certain range, as set by the user. If the output voltage exceeds the range set by the user, the voltage regulator will shut off until the load current is reduced to a safe level. This allows the device to maintain a consistent output voltage, regardless of the input voltage or load current.

In addition to the voltage control, the AN78L24 also includes additional protection features such as reverse current protection and over-temperature protection. This ensures the device can operate in harsh environments without any damage or performance degradation. The device is also provided with an efficiency that is higher than 99% at full load.

The AN78L24 is versatile and is suitable for a wide range of applications where high efficiency and reliability are essential. It is a low dropout device, making it suitable for use with low input voltages, and its protection features provide excellent robustness in demanding environments. It is also well-suited for automotive, industrial and consumer applications where power requirements range from a few milliwatt up to 2.5W.

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