TPS73533DRVT

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The TPS73533DRVT is a linear voltage regulator belonging to Texas Instruments\' TPS735x family of PMIC regulators. It is designed to deliver a low noise, adjustable output voltage, ranging between 0.8V and 5.2V, with up to 3A of output current. Low dropout and low temperature drift characteristics make it ideal for providing stable output voltages to a variety of systems and environments.

The TPS73533DRVT is ideal for use in a wide range of applications such as embedded microprocessors and DSPs, medical diagnostic systems, mobile phones, and other applications demanding high precision and accuracy. With its high accuracy, ideal for use in precision applications, and low dropout operation, it is well suited for applications where the input voltage is constantly changing or varying.

The TPS73533DRVT operates on a wide input voltage range of 2.7V to 5.5V, with a 2% accuracy over-temperature and line regulation. It comes with a power-on-reset feature, and a power-good indicator for monitoring the output. The device has a fast transient response with a typical settling time of 3.2µs and a typical startup time of 60ms. It is also very efficient and has a low thermal dissipation of up to 6.1mW/°C.

Working Principle:

The TPS73533DRVT uses a resistor divider set up with two resistors on the output node relative to ground, the reference voltage (VREF), and the Ref Pin. With an external voltage divider, the output voltage is set based on the ratio of the resistor values (R1 and R2) relative to the reference voltage. For example, if the reference voltage VREF is 0.8V, and R1 and R2 are set to 3kΩ and 7.5kΩ respectively, then the output voltage will be 2.7V.

The TPS73533DRVT also features a wide range of additional features, such as reverse battery protection, low stand-by current consumption, noise-free startup and shutdown, and temperature compensation. It also meets Gigahertz compatibility criteria, allowing for it to be used for high-speed digital applications such as FPGAs and DSPs. Furthermore, it comes in an SOT23-5 package, with a total height of only 0.8mm, making it ideal for space constrained applications.

In summary, the TPS73533DRVT is a linear voltage regulator ideal for applications requiring high power, high accuracy and low noise. Its wide input voltage range, low dropout operation and high efficiency make it a perfect choice for demanding consumer, industrial, automotive and medical applications.

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