UCC28712DR Integrated Circuits (ICs)

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The Texas Instruments UCC28712DR is a high efficient, low operating temperature, and flexible DC/DC converter system intended for a variety of appliances and applications. This product is an excellent choice for applications needing power from a single rail output and has a number of inputs and protections, making it a great choice for all types of power needs. It has a wide input voltage range and can work with either a 12V or 24V DC power source.

The UCC28712DR is part of the high efficient non-isolated Buck-Boost DC/DC converter family from Texas Instruments. This DC/DC converter is a high-frequency single output 12V to 24V buck-boost converter with an integrated high-side resistor. It enables design engineers to use a small conductor size while at the same time reducing the number of external components needed. It also has a wide input voltage range, allowing it to work with either 12V or 24V DC power source.

The UCC28712DR offers an efficient, reliable solution to many AC/DC converter applications and is particularly useful for applications such as lighting, medical equipment, and industrial controls. It offers an efficient, low operating temperature solution and is designed to operate in environments where temperatures range from -40°C to +85°C. The UCC28712DR is rated for input voltages of 7V to 40V and output voltages of 3.3V to 48V. It has a maximum power output of 2.5W at VOUT=5V and allows for both the positive and negative rail to be used.

The UCC28712DR includes a number of protections, such as thermal overload, under voltage lockout and over current protection, to ensure that the converter operates safely and efficiently. The UCC28712DR also has a current mode control that allows for fast transient response and excellent line and load regulation.

The primary working principle of the UCC28712DR is to use the output capacitor to eliminate current ripples in the output waveform and to provide a steady DC voltage output. The device enters PFM (pulse frequency modulation) mode to control the output voltage by modulating the duty cycle of the conduction switch. This method is used to allow the converter switch to operate in the most efficient mode, so that the overall power output is maximized. This results in better efficiency than traditional switching modes, and can achieve up to 95% efficiency.

The UCC28712DR is also equipped with an input voltage range of 7V to 40V and an output voltage range of 3.3V to 48V. It has an adjustable switching frequency of up to 500 kHz and supports a wide range of applications from 3 to 48 volts. The IC comes in a 3mm x 3mm package, making it ideal for applications with space constraints and high power density requirements.

In conclusion, the UCC28712DR is an excellent choice for applications requiring flexibility and high efficiency. Its wide input voltage range and integrated protections make it a great choice for an array of applications, from lighting to medical devices. Its excellent switching frequency and fast transient response make it a great choice for applications needing reliable power.

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