UA78M05CKCSE3

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A Voltage Regulator is an electronic device used to regulate the voltage, current and frequency supplied to a load. The UA78M05CKCSE3 is a linear, adjustable three-terminal regulator. It is extremely easy to use and provides a range of voltage regulation from 2.7 V to 5.5 V. It provides full output current power up to 200 mA and maximum rated power up to 500 mW.

UA78M05CKCSE3 voltage regulator offers excellent line and load regulation and temperature stability, to ensure the accuracy and reliability of various electrical systems. It only requires two external resistors to set its output voltage, allowing users to have significant flexibility in setting their chosen voltage. In addition, it provides an overtemperature protection feature, current limit and thermal shutdown protection, further increasing its reliability in critical systems.

The UA78M05CKCSE3 is suitable for a wide range of applications such as power supply for microcontroller, DSP and other digital electronic components, voltage setting for instrument, switch mode power supply and more. Its typical operating temperature range is from -40°C to 125°C. The UA78M05CKCSE3 is available in SOT-89, TO-220 and SIP packages.

The working principle of the UA78M05CKCSE3 is based on the linear voltage regulator principle. Linear voltage regulators are electronic devices used to provide a precisely regulated output voltage that is independent of the input voltage, load changes and temperature variations. It contains a voltage divider made up of R1 and R2 (two external resistors) used to set the output voltage. A precision bandgap reference provides an ideal reference voltage. This reference voltage is then compared with the feedback voltage. The voltage error is magnified and used to control the output voltage of the device. The output voltage is then regulated by internally controlling the amount of current pulled out of the output.

To sum up, the UA78M05CKCSE3 is a linear voltage regulator designed to offer excellent line and load regulation, temperature stability and excellent accuracy in a wide range of applications. It only requires two external resistors to set its output voltage, making it very convenient for users. Furthermore, it offers an overtemperature protection feature, current limit and thermal shutdown protection, further increasing its reliability and making it an ideal choice for critical systems.

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