LMV823IST

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LMV823IST is a dual output LDO controller IC with an integrated power amplifier and temperature sensor. It is an integrated 100% tested and verified low power LDO control IC featuring auto-voltage control for battery-powered applications. The device supports output voltages up to 5 V and can be used in a single-supply configuration with the integrated switching amplifier, eliminating the need for external filtering components.

The LMV823IST is designed to be used in a variety of different applications, including automotive, consumer, portable, computer and networking, and industrial and medical applications. The device is designed to provide regulation with tight line and load regulation of 1%. It features an input voltage range from 4.5 V to 36 V and has an operating temperature range of −20°C to 125°C. It is also able to withstand short-circuit and over-current conditions.

Working Principle of LMV823IST

The LMV823IST is a dual-output low-dropout (LDO) regulator and amplifier. It works on the principle of linear control, in which the output voltage is closely regulated by means of a feedback loop and the internal precision reference. The device has three main components, namely – the input voltage regulation and control logic, the linear power amplifier and the temperature sensing circuit. These three components work together to regulate the output voltage of the device.

The input voltage is regulated by the regulation and control logic, which controls the gate voltage of the linear power amplifier and sets the operating points of the power amplifier. The output of the power amplifier is then compared to a precision reference and adjusted accordingly. The temperature sensing circuit is used to compensate the output voltage, as the output voltage can be affected by temperature changes. The output voltage of the device is thus regulated, with tight line and load regulation of 1%.

The device is thus an ideal choice for battery-powered applications, as it features a wide input voltage range and can be used in single-supply configuration. It is also capable of providing high precision output voltage regulation with tight line and load regulation. The LMV823IST is designed to be used in a variety of applications, including automotive, consumer, portable, computer and networking, and industrial and medical applications.

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