TPS70402PWPG4

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TPS70402PWPG4 is a low quiescent linear voltage regulator featured by low noise, low quiescent current and fast transient time. It provides a typical efficiency of 85%. It is designed to deliver a maximum output current of 500mA. TPS70402PWPG4 Voltage Regulator is available in SOT-23-5 package and 0.8V to 5.5V output voltage range.

The Linear Voltage Regulators consists of a regulator, an error amplifier, and voltage reference connected to an external P-channel MOSFET to provide a low dropout linear regulator with constant current and constant voltage modes. It also includes an internal compensation network exception and an internal soft-start circuit to limit inrush current. The regulated output voltage is adjustable from 0.8V to 5.5V. The device is configured for automotive applications where extremely low power dissipation is a requirement and the output voltage is maintained at lower than 5.5V.

Application fields of TPS70402PWPG4 vary according to the low quiescent current, fast transient response and low noise features that it offers. Its applications include personal computers and peripherals, digital cameras and audio systems, satellite navigation systems and smart phones. TPS70402PWPG4 can also be used in automotive applications such as cameras, head unit digital processing, audio and infotainment systems.

TPS70402PWPG4 is an ideal linear regulator for automotive applications, especially digital processing. It is able to provide a regulated output voltage from 0.8V to 5.5V and a maximum current of 500mA. It also features low dropout for improved efficiency, low quiescent current for low power dissipation and low noise for improved audio and video experience. With its automotive grade qualification, the TPS70402PWPG4 can be used in different applications in order to meet various automotive design requirements.

The TPS70402PWPG4 working principle is quite simple: it operates as a voltage regulator with an internal error amplifier, voltage reference and P-channel MOSFET to provide a low dropout linear regulator with constant current and constant voltage modes. The device regulates the output voltage with respect to the voltage reference and the voltage reference is further controlled by the internal error amplifier. This internal feedback mechanism allows the device to regulate the output voltage to within a precision accuracy of ±2%.

In addition, the device contains a soft-start circuit to limit the inrush current during startup. The quiescent current of the device is adjustable with the help of an external resistor. The device is also short-circuit protected and protected against load regulation by reducing the output voltage if the device is over-loaded.

Overall, TPS70402PWPG4 is an ideal linear regulator for automotive applications which requires low powering and low noise. It is designed to deliver a maximum output current of 500mA with a typical efficiency of 85%. The voltage regulator also features low dropout for improved efficiency, low quiescent current for low power dissipation and low noise for improved audio and video experience.

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