REG711EA-3/250G4

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PMIC (Power Management Integrated Circuit) Voltage Regulators are used to regulate and control the voltage supply and distribution throughout an electronic system. One of the most popular types of PMIC Voltage Regulators is the ubiquitous DC DC Switching Regulator. This article will discuss the application field and working principle of the REG711EA-3/250G4 DC DC Switching Regulator.

The REG711EA-3/250G4 is a synchronous step-down DC DC Switching Regulator designed to regulate the output voltage of an electronic system. It features wide input voltage range, and high efficiency due to its synchronous rectification scheme. It is well suited for applications such as automotive, industrial, and consumer electronics.

The REG711EA-3/250G4 has a wide input voltage range of 3.3V to 4.5V, which makes it ideal for switching converter applications. Its output voltage range is 3.3V to 30V, with maximum output current of 250mA. The switching frequency can be adjusted by changing the input voltage, and the output voltage is output with a line regulation of ±1%.

The REG711EA-3/250G4 is capable of generating high efficiency power conversion, due to its synchronous rectification scheme. It implements two charge pumps on each side of the output, one to supply power to the load, and one to discharge the internal inductor, when the controller requires it. This process minimizes power losses, resulting in higher efficiency of the DC DC Switching Regulator, compared to other traditional switching regulators.

The REG711EA-3/250G4 is also equipped with integrated protection features to protect the circuit from overvoltage, undervoltage, overcurrent, and thermal protection. These integrated protection features are further enhanced by an adjustable soft-start time, as well as ESD protection on the low-side FET.

The REG711EA-3/250G4 DC DC Switching Regulator works by using the input voltage to create a constant frequency pulse-width modulation (PWM) signal. This PWM signal is then used to control the switches within the regulator, which in turn adjust the inductor’s current, and thus controlling the regulator’s output voltage. In essence, the output voltage is proportional to the input voltage, and the inductor’s current is proportional to the PWM duty cycle.

In conclusion, the REG711EA-3/250G4 DC DC Switching Regulator is an excellent choice for regulating the voltage in an electronic system. Its wide input voltage range, high efficiency due to its synchronous rectification scheme, and integrated protection features make it an attractive choice. It is an ideal choice for applications such as automotive, industrial, and consumer electronics.

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