TPS73512DRBR

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The TPS73512DRBR is an adjustable low dropout linear regulator (LDO) manufactured by Texas Instruments. It is a two-terminal device that is designed for applications requiring very low quiescent current (IQ) and very low output noise. The device is packaged in tiny SOT-23 and TSOT packages, making it ideal for applications where board space is at a premium. In addition, the device is available in two versions that can deliver output currents ranging from 0.1A to 1A.

The TPS73512DRBR is an ideal solution for providing clean, low-noise, low-dropout voltage supplies in high-efficiency power systems. It is popular in many applications, including portable computing and telecom applications, as well as low-power embedded systems.

Application Field

The TPS73512DRBR is suitable for battery-powered applications that require low-dropout operation and excellent load and line regulation. Its unique design and low dropout voltage make it excellent for providing stable low-voltage supplies at very low currents. It is most commonly used as a replacement for linear regulators in space-constrained applications, making it a great alternative for small, portable designs.

The device\'s low quiescent current and small package size make it a perfect choice for handheld devices, such as tablets, digital cameras, remote control devices, and other portable applications requiring a stable low-voltage power supply.

It is ideal for powering low-power microcontrollers, which typically require a very high level of regulation and very low no-load power consumption. It is also suitable for providing a clean output voltage in video and audio systems, or in any other application requiring low-dropout operation and excellent line and load regulation.

Working Principle

The TPS73512DRBR is a low-dropout linear regulator. It operates on a principle known as voltage-divider biasing. This technique utilizes resistors connected in series, which divide the voltage of the input signal. The divided voltage, known as the reference voltage, is fed to the gate of a field effect transistor (FET). This voltage signal is used to control the channel of the FET, which regulates the flow of current in the circuit. The output voltage is determined by a combination of the input signal and the reference voltage.

The device is designed to provide a very low dropout voltage, typically less than 150mV. This ensures that the device can operate with a wide range of input voltages, making it ideal for battery-powered applications. Additionally, the device is equipped with current limiting protection, which prevents it from being damaged in the event of an overload.

The device also offers an extremely low quiescent current, typically as low as 10uA, making it well-suited for low-duty applications. Its no-load power consumption is extremely low, making it ideal for powering microcontrollers in battery-powered applications.

Conclusion

The TPS73512DRBR is an adjustable low dropout linear regulator that is suitable for a wide range of applications. Its low dropout voltage and low quiescent current make it an ideal choice for powering portable devices and embedded systems, where board space and power efficiency are paramount considerations. It is also equipped with current limiting protection to ensure that the device will not be damaged in the event of an overload. It is well-suited for providing clean, low-noise power supplies in high-efficiency power systems.

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