TPS71729DCKR Integrated Circuits (ICs)

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TPS71729DCKR is a low-dropout linear voltage regulator, which is mainly used in PMIC - Voltage Regulators - Linear applications. It is characterized by an incredibly low input voltage of 0.9 V, a maximum quiescent current of 4 μA at light load, and a wide input voltage range of between 2.6 V and 15 V.

The current limiting and overvoltage protection (OVP) features of the TPS71729DCKR make it an ideal component for high-precision voltage regulation, where reliability and accuracy are critical concerns. The device is also designed to ensure regulation even under extreme operating conditions, and is available in a wide variety of operating temperature ranges, from -40°C to +125°C.

The working principle of the TPS71729DCKR is based on a voltage reference, an error amplifier, an internal pass transistor, and an external voltage divider. The voltage reference is used to set the output voltage and is stable over the temperature range. The error amplifier compares the output voltage to the reference voltage and the signal is the difference between the two. This difference is the input signal for the internal pass transistor, which controls the current to adjust the output voltage to the desired level.

The external voltage divider is connected to the output of the error amplifier to provide feedback. The ratio of the voltage divider is used to scale the output voltage of the error amplifier to match the set reference voltage. The output of the error amplifier is then sent to the internal pass transistor, which controls the current to adjust the output voltage to the desired level.

The TPS71729DCKR offers an excellent combination of low dropout voltage, high accuracy and low quiescent current, making it ideal for a wide range of high-precision voltage regulation applications. Furthermore, its overvoltage protection feature helps ensure the output voltage remains within specification, even under extreme operating conditions.

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