TPS70933DRVR

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TheTPS70933DRVR is a high-performance low-dropout linear regulator (LDO) made for primary supply voltage regulation in battery powered applications. It is capable of delivering up to 150mA of continuously current to the application, with a wide input range of 0.9V to 5.5V. The device features a typical dropout voltage of 310mV and features fast transient response times. It also features thermal and current-limit protection, as well as provides high power supply rejection ratio.

The application field of the TPS70933DRVR is suitable for handheld applications such as cell phones, tablets and PDAs, as well as wireless applications, such as Bluetooth and ZigBee modules. The device is also applicable to automotive, industrial, audio/video, and other applications where low voltage, ultra-precise supply is required.

The working principle of the TPS70933DRVR is based on the principle of the LM317 regulator.The device includes an error amplifier and a P-channel MOSFET pass transistor. The error amplifier compares the output voltage with the reference voltage to determine the deviation of the output voltage from its specification. The MOSFET forms a series pass regulator that regulates the output voltage by diverting current away or onto the load. The output voltage is then compensated by adjusting the control signal to the MOSFET.

The TPS70933DRVR has an internal reference voltage of 2.5V, with a maximum programmable output voltage up to 5.0V. It also features an output current limit and over-temperature protection with an output shutdown.The device also features a low quiescent current of 50µA and excellent ripple rejection of up to 65dB.

The TPS70933DRVR is designed to provide an improved featureset compared to the traditional linear regulators, while retaining its low dropout voltage and with power-on reset and enable pin functions included.The device is capable of regulating the output voltage with high accuracy and a lower power dissipation compared to the traditional linear regulators.

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