TPS77601QPWPRQ1

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The TPS77601QPWPRQ1 (hereafter “the TPS”) is a scalable highly integrated linear regulator from Texas Instruments. It forms part of the Low-Dropout (LDO) Voltage Regulator family. The device includes a typical Dropout Voltage of just 130mV making it highly efficient, and it has a wide range of output current up to 750mA, making it suitable for a wide range of applications.

Overview

The TPS is a 3-pin regulator and has a maximum output of 4.0V. It features auto-discharge and is fully protected with reverse current, over-current protection, ESD protection and open-circuit protection. Moreover, the device also features dynamic voltage scaling, which allows the output voltage to be adjusted depending on the load. The TPS also features thermal shutdown and short circuit protection, which helps to reduce application risks. In addition, the TPS has an optional pull-up resistor that allows the output voltage to remain steady even when the voltage source is changing. The pull-up resistor helps to reduce power consumption.

Application Field

The TPS is suitable for a wide range of applications. It is an ideal supply for low-noise systems in which the voltage needs to be stable over a wide range of input and output currents. For example, the TPS can be used as an audio preamp or amplifier. The device is also suitable for low-noise digital circuits where the voltage needs to remain stable despite wide changes in input volts or current. The TPS is also suitable for powering storage or memory devices, or for powering RF or cellular circuits. The device can also be used for powering small embedded systems, such as handheld devices with low-power requirements.

Working Principle

The TPS is a low-dropout linear regulator, which means that the output voltage will remain very close to the input voltage. The device is in fact a linear voltage regulator, and uses a voltage divider topology scheme. The voltage divider is created by two resistors, one connected from the input voltage VIN to the ground, and the other connected from the output voltage VOUT to the ground. The output voltage is set by adjusting the voltage divider ratio. The output voltage is regulated by adjusting the control signals that drive the PMOS and NMOS transistors.

The TPS contains two main components, the voltage reference and the voltage divider network. The voltage reference is the most important part of the TPS, because it sets the output voltage. The voltage reference element is a precision band-gap reference that produces a stable output voltage regardless of variations in temperature.

The TPS also has a compensation network, which helps to regulate the device\'s output impedance. The compensation network helps to reduce the output ripple, thereby improving the device\'s overall performance. The compensation network is made up of two capacitors, one connected to the input and one connected to the output. This helps to reduce the output voltage ripple that can occur due to input voltage variation.

Conclusion

In conclusion, the TPS77601QPWPRQ1 is a highly integrated linear regulator from Texas Instruments. It is well suited for low-noise digital circuits, audio preamps/amplifiers, as well as for powering storage and memory devices. The device features high efficiency and a wide range of output current. It is protected from short circuits, reverse current and is designed with input voltage variation protection. The TPS has a voltage reference topology which allows for adjustable output voltage and its compensation network helps to reduce output voltage ripple.

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