TPS77633PWPR

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Introduction

TPS77633PWPR is a low dropout voltage regulator which is available in linear integrated circuit (IC) form. It is a general purpose, three terminal, adjustable or fixed voltage regulator for application in a wide range of consumer and industrial applications. This IC provides a precise output voltage at low noise and low quiescent power consumption. It is available in a small SOT223 package with thermal pad included, making it ideal for space saving designs and applications.

Application field

The TPS77633PWPR is suitable for smartphones, tablets, healthcare and industrial applications. It is designed for applications with very low voltage deviations from the desired output voltage. It can produce a relatively low output voltage of 0.9 V and has excellent line and load transient responses at both 3.3 A load current and 2.25 A. It has a wide operating temperature range of -40 C to +125 C.

In addition to its highly accurate output voltage, the TPS77633PWPR also has excellent line and load transient responses. Its ability to quickly transition between high and low output voltages can be helpful in applications where power supply efficiency is of utmost importance. For example, the TPS77633PWPR can be used to regulate low and high voltage supply in order to guarantee system stability and safety.

The TPS77633PWPR has an adjustable output voltage range from 0.9 to 3.2 V, making it ideal for a wide range of applications. Its maximum output current is 3.3 A, making it suitable for high current applications. Additionally, the TPS77633PWPR has an optional current limiting feature that can be enabled for additional protection for the system.

Working principle

The TPS77633PWPR works with a voltage reference which is applied at the REF (Reference) pin of the device. This reference voltage, also known as the “set” voltage, is adjusted to the desired output voltage value by means of an external resistor connected between the ADJ (Adjust) pin and the GND pin. The reference voltage is compared to a feedback voltage derived from the output voltage of the device. This voltage difference is fed back to the input of the device, which then adds or removes current to the output as needed, in order to maintain the output voltage of the device within the set range.

The TPS77633PWPR is comprised of a number of components including a voltage reference, error amplifier, and MOSFET switching device. The MOSFET provides the current necessary to maintain output voltage stability, while the voltage reference and error amplifier act to regulate the output voltage at the same level as the reference voltage.

The TPS77633PWPR is designed to withstand large input and output capacitive noise. It is capable of operating with an input voltage range from 7.2 V to 40 V, which provides a great range of possible applications. The maximum output current is 3.3 A, with the total thermal dissipation of the device being 35 W.

Conclusion

In conclusion, the TPS77633PWPR is a low dropout voltage regulator which is available in linear IC form. It provides a precise output voltage at low noise and low quiescent power consumption, while its wide operating temperature range and wide input voltage range makes it suitable for applications in a range of consumer and industrial applications. Its ability to quickly transition between high and low output voltages is especially useful in applications where power supply efficiency is critical. It is made up of a number of components, including a voltage reference, error amplifier, and MOSFET switching device, and it can provide a maximum output current of 3.3 A.

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