AP1117T33L-U

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AP1117T33L-U Linear Voltage Regulator

The AP1117T33L-U linear voltage regulator is a device that provides a constant, stable power output regardless of fluctuations in the input power supply. This type of voltage regulator is designed to maintain the voltage in a digital circuit, and is also known as a low dropout (LDO) regulator. The AP1117T33L-U is a 3.3V voltage regulator, available in an SO package. It features low ripple and low noise voltage levels, making it suitable for use in a wide range of applications.

Features and Benefits

The AP1117T33L-U is a 3.3V fixed output voltage regulator with a very low quiescent current. It features an operating temperature range of -40°C to 85°C, making it suitable for use in a wide variety of applications. Other features and benefits of this device are low dropout voltage, low output voltage ripple, high efficiency, and integrated overcurrent and overtemperature protection. It also has an enable pin, allowing the user to enable/disable the device conveniently.

Applications

The AP1117T33L-U linear voltage regulator is designed for use in low-power digital circuits. It is suitable for use in a variety of applications, such as personal computers, communication systems, automotive electronics, industrial control systems, and instrumentation. Its low dropout voltage and low quiescent current make it suitable for use in low-power applications.

Working Principle

The AP1117T33L-U linear voltage regulator is a three-terminal voltage regulator, consisting of an input, output, and ground pin. The input pin is connected to the power source, while the output pin is connected to the load. When the power is applied to the input pin, the device will regulate the output voltage to preset levels, according to the voltage reference voltage set by the user. The device regulates the output voltage by comparing the input and output voltages, and then adjusts the current flow through the internal power transistor.

The current through the power transistor is determined by the voltage at the output pin. If the output voltage exceeds the preset value, the output current will be reduced. Conversely, if the output voltage is less than the desired output, the current will be increased. The stability of the voltage output is then maintained by regulating the amount of current flowing through the power transistor.

Conclusion

The AP1117T33L-U linear voltage regulator is an ideal solution for a variety of low-power applications. It is available in an SO package, and features low ripple and low noise, high efficiency, and integrated overcurrent and overtemperature protection. Its enable pin allows users to conveniently enable and disable the device. The AP1117T33L-U is suitable for use in a variety of applications, including personal computers, communication systems, automotive electronics, industrial control systems, and instrumentation.

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