UCC3802PW

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The UCC3802PW is a power management controller device from Texas Instruments. It is a perfect choice for low voltage, power-sensitive applications. This device is the first “buck-boost” integrated circuit providing both a boost-mode and buck-mode voltage output, with a wide input voltage range, and a low quiescent current. It belongs to the Power Management and Interface ICs family —PMIC- AC DC Converters, Offline Switchers.

The UCC3802PW is a low-power, high-frequency synchronous buck boost current-mode controller. It employs a robust architecture to provide the best performance solutions for a variety of applications that use high-frequency, current-mode controller technologies. It includes a wide range of features and functions such as Pulse-Width Modulation (PWM) control, low VCC operation, Under Voltage Lockout (UVLO), variable VIN operation, remote shutdown, output pre-bias, and programmable start-up mode.

It has integrated protection features such as short-circuit protection, over-temperature protection, output short-circuit protection, and load fault detection. The device also comes with a slew rate control, soft-start control, and output thermal sensing to help provide high efficiency and robust operation for the end application.

The UCC3802PW converter device is primarily used for DC to DC conversion applications existing between high-input and low-input power supplies. It also includes features like constant voltage/current operation, adjustable output voltage/current limit, and flexible output voltage/current regulation. The device is also used in high-efficiency LED driver solutions and high-efficiency buck converter ideal applications.

The working principle of the UCC3802PW is quite simple. The device takes an input voltage, the boost control level (Vin) and the output voltage (Vout), and converts them into a constant voltage/current output. It then controls the output current or voltage level to ensure that the output voltage/current is within the desired limits. It also works to provide protection against short circuits, overvoltage, and overcurrent conditions. The device also performs the necessary power conversion tasks, regulating the output voltage/current and incorporating a programmable start-up mode to ensure that the output voltage/current remains within the desired limit.

The UCC3802PW is a high-performance integrated device that is designed for a variety of applications. It is capable of providing both a boost-mode and buck-mode voltage output, with a wide input voltage range, and a low quiescent current. It includes features such as PWM control, Under Voltage Lockout (UVLO), variable VIN operation, remote shutdown, output pre-bias, and programmable start-up mode. It also includes protection features such as short-circuit protection, over-temperature protection, output short-circuit protection, and load fault detection. The device is capable of providing high-efficiency and robust operation for the end application.

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