TPS54140ADRCT

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TheTPS54140ADRCT is a part of the DC-DC switching regulator family. It is a low-noise synchronous buck regulator. It uses a dual N-channel power MOSFET that can efficiently reduce power dissipation even at low input voltages. This regulator is capable of providing output voltage in a range of 0.9V to 5.5V with up to 5A current. The voltage coefficient of the output voltage is ±1.25%, high enough to provide stable output even under heavy loading conditions. The TPS54140ADRCT can regulate the output voltage to ensure good performance in any application. It is designed to operate in a variety of application scenarios ranging from cellular phones, PC systems, and computer systems to point-of-load applications.

The TPS54140ADRCT’s working principle is based on two components, the gate driver and the voltage regulator. The gate driver is responsible for converting the input voltage, set by the user, into the gate voltage needed to control the switch, which is the power MOSFET. This is done by using pulse width modulation. This is important, as it reduces the power dissipation and also increases the efficiency of the system. The voltage regulator, on the other hand, is responsible for regulating the output voltage to the desired level.

The TPS54140ADRCT features several features that make it suitable for a variety of applications. These features include an integrated soft-start, over-temperature protection, line and load transient protection and programmable frequency control. It also includes an external differential amplifier for precision current setting and regulation. Furthermore, it is capable of supporting up to 50A output current and can handle reverse output current up to 10A for reverse current protection. It is capable of operating with a wide input voltage range from 4.5V to 20V and has a low dropout voltage of ≤ 0.2V. Additionally, the TPS54140ADRCT offers good protection against short circuits and overvoltage, making it highly reliable.

Overall, the TPS54140ADRCT is an ideal solution for applications that require a high efficiency, low noise and good current regulation. Its wide input voltage range, low dropout voltage, integrated soft-start and over-temperature protection, and line and load transient protection make it suitable for cellular phones, PC systems and computer systems, point-of-load applications, and other DC-DC applications. In addition, the integrated differential amplifier makes it easy to precisely set and regulate the output current. As such, it is a highly reliable and efficient voltage regulator.

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