TPS72518KTTT

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TPS72518KTTT Application Field and Working Principle

The TPS72518KTTT is a Triple Output Low Dropout Regulator with integrated FETs and Control Logic (LDO), designed to help power-sensitive applications maximize their energy efficiency. The device, which features an integrated step-down Buck-mode regulator, can reduce overall power dissipation, reduce system complexity, and provide high power supply accuracy and excellent load transient response. It is ideal for a wide range of applications, from power management in consumer electronics to medical, industrial, and automotive applications.

The TPS72518KTTT features an adjustable input voltage range of 2.4V to 6.5V. It also offers a wide operating range of 2.4V to 5.5V and low quiescent current of 2mA (maximum). The device is designed to switch between Buck-mode and bypass mode, enabling precise control of output voltage under light-load conditions. This can significantly reduce power consumption, especially in battery-powered applications. The TPS72518KTTT also features an integrated FET and a detection logic, which can provide the gate voltage and protect the device against short-circuit and over-current conditions.

The TPS72518KTTT LDO works on a simple principle. It starts operating by switching on the internal N-channel FET. It reduces the input voltage, regulates the output voltage and maintains it at the desired level through feedback control. This is done by comparing the output voltage with a predetermined reference voltage, adjusting the control voltage and adjusting the gate voltage. When the output voltage exceeds the set threshold, the internal FET is switched off and the output voltage is allowed to regulate itself.

The TPS72518KTTT is an ideal choice for a wide range of applications such as battery powered electric vehicles, wireless sensor networks, consumer electronics, medical and industrial applications. The device offers high efficiency, low quiescent current, wide input voltage range and protection against short-circuits and over-current conditions.

In summary, the TPS72518KTTT is a versatile and reliable power management device for diverse applications. It features an adjustable input voltage range of 2.4V to 6.5V, a wide operating range of 2.4V to 5.5V, and a low quiescent current of 2mA (maximum). Furthermore, its integrated FET and detection logic enables precise control of output voltage under light-load conditions and offers protection from short-circuit and over-current conditions.

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