UCC3895PWTRG4

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PMICs, or Power Management Integrated Circuits, are integrated circuits designed to manage many aspects of power control in a commercial or industrial setting. The UCC3895PWTRG4 is a PMIC AC/DC Converter and offline switch designed to reduce the power losses in medium power applications and is particularly suited for use with power lines of medium voltage.This PMIC combines a high gain, current mode PWM controller with a cascade output MOSFET.The output stage can provide up to 5.5A of DC current to the load. The UCC3895PWTRG4 integrates current limit protection, under-voltage lockout protection, overload protection, over-temperature protection, and output open protection circuitry.

Application fields for this PMIC typically include off-line power supplies, AC/DC LED drivers, LC/PFC converters, and battery chargers.

The UCC3895PWTRG4 operates by controlling a high side MOSFET and a low side MOSFET. The PMIC provides an external low voltage reference to the low side MOSFET, and with the help of a current sense amplifier, the PMIC precisely controls the peak current. The PMIC\'s Pulse Width Modulation (PWM) signal is provided by the internal timer, and can be synchronized to an external source.

The UCC3895PWTRG4 features various features designed to protect against power loss. The under-voltage lockout protection prevents the part from starting below a certain voltage, preventing the potential for any damage to the load. The over-temperature protection circuit shuts down the part in the event that the IC falls outside of a predetermined temperature range, to protect the IC from permanent damage. In addition, the output open protection circuitry disconnects the output from the load in the event of an output overload.

In terms of the main application of this PMIC, it is used for offline switching for a wide variety of applications. The PMIC is designed to switch the outputs between two possible states, either on or off. This type of switching can be used for various applications, such as lighting control, door locks, motor speed control, etc.

Overall, the UCC3895PWTRG4 is a versatile PMIC AC/DC converter and offline switch designed to reduce the power losses in medium power applications. The part is highly compatible with power lines of medium voltage and is equipped with multiple protection features to protect the load and circuit from any potential damage. The PMIC is most often used in offline switching applications, allowing a variety of machines to be controlled remotely.

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