UCC3583NG4

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UCC3583NG4 is an integrated, low threshold, high gain, constant frequency current mode synchronous buck power switch. It is a versatile PWM controller particularly suited for synchronous buck regulation. This device is supplied in one of two packages and has two operating temperature ratings. UCC3583NG4 is a switch mode power supply controller that can be used to control switching regulators. It provides a constant frequency or discontinuous mode of operation, allowing the user to flexibly optimize their switch mode power supply circuit to meet their application requirements. It is a three phase system with a single PWM control circuit, and provides full voltage/current mode control of the switch elements. UCC3583NG4 combines many features, such as soft start and a power-on reset, with an accurate current limit and over temperature protection, making it suitable for a wide variety of switch mode power supplies. It also offers an optional wide input voltage range option for applications requiring lower voltages. The most common application for the UCC3583NG4 is in the field of telecommunications, where it is used in applications such as line powered VOIP devices, DSL modems, fixed line power supplies, and SIP phones. It is also widely used in automotive electronics, such as in hybrid car battery charging, electric car gate drive circuits, or backup power systems. UCC3583NG4 operates by sensing the current flowing to a given load, and triggering its switching element to provide the desired voltage. The current is sensed by a sense resistor connected between the source voltage and the output voltage. The sensed voltage is compared to a threshold set by a user through the reference pin (Vr). When the output voltage drops to a level below the reference voltage, the IC sends a signal to the switching element to turn ON, allowing current to be provided to the output load. The automatic switching cycle takes place continuously until the output voltage reaches the desired level. In addition to providing accurate switching, UCC3583NG4 also offers features such as a soft start, over temperature protection, under voltage lockout, as well as a power-on reset. All of these features ensure the smooth operation of the switching regulator, and make it suitable for use in a wide variety of applications. UCC3583NG4 is a highly versatile switch mode power supply controller that can be used to control a wide variety of applications. Its simple design and versatile features make it a perfect choice for a wide range of applications, particularly in the telecommunications and automotive sectors.

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