TPS77625QPWPRQ1

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The TPS77625QPWPRQ1 Voltage Regulator from Texas Instruments[1] is a low noise, low-dropout voltage regulator that is suitable for audio, RF, automotive and industrial applications. The TPS77625QPWPRQ1 is a low quiescent current, linear voltage regulator that operates from a 2.7V to 6.0V input supply range and produces either 0.8V to 2.5V or 0.8V to 5.0V adjustable outputs. The device is capable of providing up to 740mA of output current with a very small dropout voltage of 190mV at 200mA. Additionally, the device is capable of operating at very low noise that is ensured by its output Ripple Rejection (RR) of 85dB at the 0.1MHz band. The TPS77625QPWPRQ1 is available in a space saving 2mm x 2mm Ultra Thin (UW) QFN package that provides a golden standard ground plane to maintain very low thermal resistance (Θja) of 18°C/W.

The TPS77625QPWPRQ1 and other linear voltage regulators rely on a series of an N-channel MOSFETs and resistors to reduce input voltage to a desired output voltage. The device is basically a combination of two series of transistors, would be an NMOS and a PMOS, connected to each other. The two transistors or two series of transistors, as in the case of the TPS77625QPWPRQ1, create a “clamping circuit” which is called the “feedback loop”. This “clamping circuit” ensures that the output voltage is maintained at a predetermined level[2]. By varying the resistance of the feedback loop, the output voltage of the linear regulator can be adjusted - this is the basic operating principle of linear voltage regulators.

The TPS77625QPWPRQ1 is an advanced device that offers a variety of features such as an adjustable dropout voltage of up to 190mV and a maximum output current of 740mA, as well as an ultra-low quiescent current of 1uA. It features a low-noise output filter, over-current protection and thermal shutdown which makes the device suitable for a variety of automotive and industrial applications. These features make the TPS77625QPWPRQ1 an ideal device for applications that require very accurate control of the input voltage for RF and audio signals.

In summary, the TPS77625QPWPRQ1 Voltage Regulator from Texas Instruments is a low noise, low-dropout linear voltage regulator designed for audio, RF, automotive and industrial applications. The device features a low quiescent current and adjustable output range, as well as an output Ripple Rejection of 85dB at the 0.1MHz band and a 2mm x 2mm QFN package that provides low thermal resistance. The TPS77625QPWPRQ1 is an ideal device for automotive, industrial and audio frequency applications that require very accurate control of the voltage.

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