LT1964IS5-SD#TRPBF

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Linear voltage regulator is a voltage regulator circuit with a linear relationship between output voltage and input voltage. The LT1964IS5-SD#TRPBF is an excellent example of this type of voltage regulator. This linear voltage regulator is used in a wide range of applications and is a highly efficient, reliable, and accurate way to regulate voltage. In this article, we shall explore the application fields and working principle of the LT1964IS5-SD#TRPBF.

Application Field

The LT1964IS5-SD#TRPBF is most commonly used in applications that require either a fixed or an adjustable output voltage. It can be used with a variety of input voltage ranging from 4V to 40V, making it ideal for a wide range of devices and applications. Many of these applications include handheld electronics, automotive systems, testing equipment, and audio video devices.

The main feature of the LT1964IS5-SD#TRPBF that makes it a great choice for many applications is its preset accuracy. The device\'s accuracy is ±1% over a temperature range of -40 to +125°C, making it ideal for applications with tight voltage control specifications.

Features and Advantages

The LT1964IS5-SD#TRPBF has a slew rate of 3.2mV/Пs, meaning it can adjust the output voltage quickly and accurately. This makes it ideal for applications that require a fast response to voltage changes. In addition, it has excellent thermal performance with a junction-to-ambient thermal resistance of 7.2°C/W. This helps the LT1964IS5-SD#TRPBF remain cool even during continuous operation and ensures it provides reliable, accurate voltage regulation in extreme conditions.

The LT1964IS5-SD#TRPBF also offers several other features for added convenience. It has an adjustable output voltage, which can be adjusted from 1.200V to 1.350V using a resistor, making it easy to set the desired voltage range. In addition, it has protection against excessive current, short-circuit, and thermal conditions, ensuring it won\'t become damaged during operation.

Working Principle

The LT1964IS5-SD#TRPBF is a linear voltage regulator that employs a non-inverting regulator circuit to reduce the input voltage to an adjustable, preset output voltage. The input voltage is applied to the non-inverting input of an operational amplifier (op-amp). The output is then compared to a reference voltage, which is adjusted using a resistor. The difference between these two voltages is amplified and used to control the base of an external NPN power transistor, which is used to regulate the output voltage.

The output voltage is then regulated and monitored by the op-amp. If the output voltage exceeds the preset value, the op-amp will amplify the difference and reduce the current supplied to the base of the power transistor, which will in turn lower the output voltage. The op-amp will also detect if the output voltage drops below the preset voltage and will increase the current supplied to the base of the power transistor, thus raising the output voltage.

Conclusion

The LT1964IS5-SD#TRPBF is an excellent example of a linear voltage regulator and is ideal for applications that require high accuracy and reliability. It has a wide range of features and advantages that make it suitable for use in many applications. Its non-inverting regulator circuit with an op-amp ensures accurate, reliable regulation of the output voltage, making it the perfect choice for a wide range of devices.

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