TPS40140RHHRG4

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The TPS40140RHHRG4 is a powerful, high-performance synchronous DC-DC controller designed to drive N-Channel MOSFETs to manage high voltage power conversion applications in power supplies and other power management systems. With a wide input voltage range of 4.5V to 18V and an internal 5V power supply, the TPS40140RHHRG4 can be used in a variety of power management applications. Furthermore, the TPS40140RHHRG4 offers a rich feature set including switching frequency adjustment, startup current limit adjustment, output voltage adjustment, and soft start. These features ensure the TPS40140RHHRG4 provides an excellent solution for a wide range of power conversion applications.

The TPS40140RHHRG4 is part of the PMIC family of Voltage Regulators and DC DC Switching Controllers. These devices are designed to provide efficient power conversion and management for a wide range of applications, including telecommunications, consumer electronics, and home appliances. These devices are highly efficient, reliable, and cost-effective and are used in virtually all power management applications. They provide excellent performance in terms of energy efficiency, load regulation, and noise reduction, ensuring the highest level of performance in any system.

The TPS40140RHHRG4 has several applications including DC-DC buck (step-down) converters, DC-DC boost (step-up) converters, DC-DC inverters, and networked systems. In buck converters, the TPS40140RHHRG4 controls a switching element that works as a voltage regulator and adjusts the input voltage so that the output voltage is kept constant. In boost converters, the TPS40140RHHRG4 increases the input voltage so that the output voltage is higher than the input voltage, providing a regulated voltage. For inverters, the TPS40140RHHRG4 provides an adjustable frequency and current control, allowing more accurate and low noise operation. In networked systems, the TPS40140RHHRG4 can control multiple power rails and provide multiple voltage regulation points for different loads.

The working principle of the TPS40140RHHRG4 is based on the control of the N-channel MOSFET, which is driven by the internal logic control circuitry. The TPS40140RHHRG4 is designed to operate in critical conduction mode (CCM) or critical conduction-transition frequency(CRM) which ensures a high efficiency and low EMI passive operation. The switching output is synchronized to the internal clock generator, and the RISET,SET,SD and OV pins provide external control signals for adjusting the output voltage and switching frequency.

The TPS40140RHHRG4 provides excellent performance, with low output ripple, excellent load regulation, fast transient response, wide temperature range operation, current and power limit control, Soft-start and low EMI operation. The TPS40140RHHRG4 also provides safety features such as over-voltage protection, over-current protection, and under-voltage lock-out. With its wide input voltage range, a rich set of features, and excellent performance, the TPS40140RHHRG4 is the perfect solution for a wide variety of power management applications.

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