RT9161-45GV

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The RT9161-45GV is a linear voltage regulator with a wide range of applications. It features a low output voltage of 3V to 10V, a high output current of up to 5A, and a fast transient response. With a low quiescent current of 12.5mA, it is ideal for energy-sensitive applications, such as medical and portable equipment. It is also available in the SOT-23-5 package, making it suitable for applications with a limited space.

Overview

The RT9161-45GV is a low dropout regulator that provides a regulated output voltage from a voltage source of up to 45V. It has a shutdown input pin, which enables the device to be enabled or disabled as required for power conservation. The device is provided with a built-in foldback short-circuit protection circuit which monitors the load current, and then reduces the output voltage in order to protect the device from overcurrent conditions. Additionally, the device also has a built-in temperature protection circuit which can protect the device from temperatures greater than 150°C.

Features and Benefits

The RT9161-45GV has many advantages which make it suitable for a wide range of applications. Some of these are summarized below:

• Low output voltage of 3V to 10V
• High output current of up to 5A
• Fast transient response
• Low quiescent current of 12.5mA
• Shutdown input pin
• Built-in foldback short-circuit protection circuit
• Built-in temperature protection circuit
• SOT-23-5 package for applications with limited space

Applications

The RT9161-45GV is suitable for a wide range of power supply applications. It is especially suited for energy-sensitive applications, such as medical and portable equipment. It can be used as an output device for DC-DC converters, battery-powered systems and post regulator. It can also be used in many other battery-powered electronic systems and industrial applications.

Working Principle

The RT9161-45GV is a linear voltage regulator. It works by taking a higher input voltage and stepping it down to a desired output voltage. This is done using a series of transistors which act as voltage dividers. The device is able to maintain a constant output voltage by using a technique known as feedback regulation. This technique uses an error signal generated by comparing the actual output voltage to the desired output voltage.

The device also uses a technique known as foldback short-circuit protection to protect itself from overcurrent conditions. The device monitors the load current. When the instantaneous load current exceeds the maximum limit, the device reduces the output voltage to limit the current. This technique helps to protect the device from damage due to excessive current.

Conclusion

The RT9161-45GV is a low dropout linear voltage regulator that provides a regulated output voltage from a voltage source of up to 45V. Its low output voltage and high output current make it ideal for energy-sensitive applications, such as medical and portable equipment. It also features a low quiescent current and a fast transient response, making it suitable for many other applications. Additionally, it has a built-in foldback short-circuit protection circuit and temperature protection circuit.

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