TPS71433DRVT

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TPS71433DRVT is a single output, low-dropout (LDO) Voltage Regulator from Texas Instruments. It provides a fixed support adjustable output voltage from 0.8V to 4.2V. It offers a superior temperature coefficient, fast line and load transient response and excellent output voltage accuracy. This device is ideal for battery-operated systems requiring high accuracy, low noise, fast transient response and very low quiescent current. This Voltage Regulator has integrated reverse-blocking and reverse-battery protection which protects the device against reverse battery and short-circuiting.

TPS71433DRVT can be used in a wide range of applications, including automotive, industrial and consumer applications. It is suitable for portable handheld battery-powered systems, including smartphones and tablet computers. It can also be used in automotive electronic control systems and automotive audio systems. It is also used in industrial battery chargers, smart meters, and medical devices.

The working principle of TPS71433DRVT is simple. It consists of an input voltage follower, a precision reference, an error amplifier, and an output stage. The input voltage is applied to the input voltage follower which amplifies the input voltage and feeds it to the precision reference. The precision reference provides a fixed reference voltage that is compared with the amplified input voltage by an error amplifier. The difference between the amplified input voltage and the reference voltage is then fed to the output stage which regulates the output voltage.

The error amplifier maintains the output voltage at its desired value by comparing the feedback voltage and the reference voltage. If the output voltage falls below its desired value, the error amplifier increases the output voltage. On the contrary, if the output voltage exceeds its desired value, the error amplifier decreases the output voltage. This ensures that the output voltage is kept constant and stable regardless of changes in temperature, line voltage or load current.

The quiescent current of TPS71433DRVT is very low, typically 10uA. It has good transient response characteristics and fast step-down and step-up voltage stability. It also provides excellent output voltage accuracy, tight line and load regulation, and low total output noise.

The TPS71433DRVT is a highly reliable Voltage Regulator designed for a wide range of applications. It has a wide input voltage range of 4.25V to 6V and a low output voltage range of 0.8V to 4.2V. It offers good output voltage accuracy, excellent transient response and low quiescent current. It is suitable for applications that require high accuracy, low noise, fast transient response and very low quiescent current.

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