UCC3941N-5

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The UCC3941N-5 is a DC-DC switching regulator by Texas Instruments that is greatly suitable for AC/DC and DC/DC buck regulator applications. With this device, it is possible to design step-down DC-DC converters that require a wide input voltage range and less current, intended for intermediate and logic on-card voltage rails. This device is available in a low profile SOT-23-6 package.

The UCC3941N-5 features a fixed PWM frequency of 1MHz and its internal synchronous rectifier enables a high level of efficiency in order to reduce the total amount of required external components. It also has a selectable skip mode and forced PWM mode, allowing for advanced system optimization. In addition, this device also features an input voltage range of 4.5V to 24V, an output voltage of up to 6V and output current of up to 600mA.

The main application field of the UCC3941N-5 is in AC/DC buck converter applications, where it is used to efficiently convert AC voltages to DC voltages. As a DC-DC switching regulator, the UCC3941N-5 can also be used in DC/DC buck regulator applications, where it is used to step down high DC voltages to lower DC voltages. This device is also suitable for intermediate and logic on-card voltage rails.

The UCC3941N-5, as a DC-DC switching regulator, works by using a switching element to convert power from one voltage level to another. This device uses a Pulse-Width Modulated (PWM) control scheme to regulate its output voltage by periodically switching the switching element on and off to control the amount of power being transferred to the load. The frequency of these PWM cycles determines the output voltage and the duty cycle of the switching element (also known as the “on-time”) determines the size of the output current.

Overall, the UCC3941N-5 DC-DC switching regulator is an excellent device for AC/DC and DC/DC buck regulator applications. With its fixed PWM frequency, selectable skip mode and forced PWM mode, this device offers a variety of functions that greatly simplify the design process. In addition, its wide input voltage range and output current allows the device to be used in a variety of applications. Finally, its low profile SOT-23-6 package makes it highly suitable for use in space-restricted applications.

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