UC385TDTR-3

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UC385TDTR-3 is a linear voltage regulator developed by Texas Instruments, belonging to the PMIC-Voltage Regulators-Linear family. It provides single-channel 800mA output current, with integrated over-temperature and over-current protection capability. This device mainly offers great power performance, high power efficiency and simple usage for applications such as computer peripherals, personal media players, digital cameras, etc.

In terms of voltage regulator application field and working principle, UC385TDTR-3 offers powerful protection mechanism and high current output, making it suitable for many high-powered and sensitive applications. First, it has a wide input voltage range and can accept voltage up to 20V. Second, the output voltage is adjustable between 2.0V and 18V, giving designers more flexibility in system design. Lastly, the output current can be configured up to 800mA, making it a great choice for high-powered applications such as computer peripherals.

The voltage regulator also comes with a rich set of protection features to enhance reliability and safety. For example, the built-in over-current and over-temperature protection can protect the system from potential harmful environmental conditions. Additionally, the low shutdown current and the protection from short-circuits can help to increase system robustness. Furthermore, UC385TDTR-3 has an operating temperature range of -40 to +125°C, making it ideal for usage in industrial environments.

With regard to the principle of operation, the UC385TDTR-3 is a linear voltage regulator. It works by using the principle of negative feedback to maintain the output voltage at the desired value, and then adjusting the input voltage as required. This is accomplished by comparing the feedback voltage with the reference voltage, and then adjusting the base current to the output transistor to maintain the voltage at the desired value. This ensures that the output voltage stays at the same level even when the input voltage changes.

In conclusion, the UC385TDTR-3 is a great choice for applications that require high current output, advanced protection mechanisms, and an operating temperature of -40 to +125°C. It is reliable, efficient, and can offer robust protection from environmental hazards. With its adjustable output current regulated from 2.0V to18V, and a wide range of output current up to 800mA, it is suitable for a variety of applications. Power designers can now use this advanced linear regulator to easily design high-powered systems that are reliable and efficient.

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