AZ1117H-3.3TRG1

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Linear voltage regulators are commonly used in electronics to offer a regulated output voltage, as opposed to a fluctuating or otherwise unpredictable output different than the input. The AZ1117H-3.3TRG1 is a linear voltage regulator which is widely used in many different applications, so it\'s important that we understand it\'s application fields and working principle.

One of the main application fields of the AZ1117H-3.3TRG1 is in low voltage logic, where it can be used to regulate a supply voltage as low as 0.9V and up to 6V. This includes devices such as 3V and 5V Microcontrollers and CMOS logic families, as well as low power transistors and Mcu’s. It is also suitable for use in automotive applications, reducing the risk of interference caused by noise and providing improved spike/surge/EMI protection.

To further understand the working principle, it is important to note that the AZ1117H-3.3TRG1 is a linear voltage regulator, and operates using an adjustable voltage reference. This reference is the output voltage needed, and the regulator will adjust the output voltage to match it, by either increasing or decreasing the input voltage. When the input voltage is higher than the reference, the electric current from the input side is regulated by the output side, allowing for a constant voltage to be maintained. This is also known as ‘Linear’ regulation.

The output voltage of the AZ1117H-3.3TRG1 is also adjustable, and this is done by changing the value of a feedback resistor. This allows the user to set the output voltage to any value between 0.9V and 6V. To increase the accuracy, the minimum output voltage is given in 50mV increments, which allows for a higher degree of precision.

The AZ1117H-3.3TRG1 also features under-voltage and over-voltage protection, along with the usual over current protection. These features are designed to ensure that the device is protected against surges and spikes, which can cause damage to the voltage regulator and the surrounding components.

The AZ1117H-3.3TRG1 also has two additional features – input and output thermal shutdowns. These shutdowns are triggered if the input or output temperatures exceed a set level. This is to prevent the device from overheating and ensure that it operates safely within its specified temperature range.

In conclusion the AZ1117H-3.3TRG1 is a linear voltage regulator that offers a regulated output voltage, making it suitable for a wide range of applications. It features adjustable output voltage, over current, under voltage and over voltage protection, as well as input and output thermal shutdowns. This ensures that the device is protected from surges and spikes, and operates within its specified temperature range.

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