Texas Instruments

UCC3809P-1G4  

AC DC Converters, Offline Switches

UCC3809P-1G4 Description

The UCC3809P-1G4 is a high-performance power management integrated circuit (PMIC) designed by Texas Instruments, a leading manufacturer in the electronics industry. This device is specifically engineered to provide efficient power regulation and control for a variety of applications. It supports multiple topologies including Boost, Buck, Flyback, and Forward, making it versatile for different power conversion needs. The UCC3809P-1G4 operates with a switching frequency of up to 1MHz, ensuring high efficiency and minimal power loss. It features an isolated output, which is crucial for applications requiring galvanic isolation between the input and output stages.

UCC3809P-1G4 Features

The UCC3809P-1G4 offers several advanced features that set it apart from similar models in the market. Key features include:

• Frequency Control and Soft Start: These control features ensure smooth startup and stable operation, reducing inrush currents and minimizing transient disturbances.
• Wide Supply Voltage Range: The device operates within a supply voltage range of 8V to 19V, making it suitable for a variety of power supply configurations.
• High Duty Cycle: With a maximum duty cycle of 70%, the UCC3809P-1G4 can efficiently handle high power levels, making it ideal for applications requiring significant power conversion.
• Surface Mount Technology: The surface mount package type facilitates easy integration into compact designs, enhancing the overall system reliability and reducing the footprint on the PCB.
• Compliance and Safety: The UCC3809P-1G4 is REACH unaffected and RoHS3 compliant, ensuring it meets stringent environmental and safety standards. It also has a moisture sensitivity level (MSL) of 2 (1 Year), making it suitable for storage and handling in various environments.

UCC3809P-1G4 Applications

The UCC3809P-1G4 is ideal for a wide range of applications due to its versatile design and robust features. Some specific use cases include:

• Power Supplies: The device is well-suited for designing efficient power supplies in various electronic systems, including consumer electronics, industrial equipment, and telecommunications infrastructure.
• Adaptive Voltage Scaling: The ability to control the switching frequency and duty cycle makes it suitable for adaptive voltage scaling applications, where the power supply needs to adjust dynamically based on the load requirements.
• Isolated Power Conversion: The isolated output feature is particularly beneficial for applications requiring electrical isolation between the primary and secondary sides, such as in medical equipment and high-voltage power supplies.
• High-Frequency Applications: With a switching frequency of up to 1MHz, the UCC3809P-1G4 is ideal for high-frequency power conversion applications, ensuring minimal size and high efficiency.

Conclusion of UCC3809P-1G4

In summary, the UCC3809P-1G4 is a highly versatile and efficient power management IC that offers a range of advanced features and benefits. Its support for multiple topologies, wide supply voltage range, and high switching frequency make it suitable for a variety of applications. The device's compliance with environmental and safety standards, along with its surface mount packaging, further enhances its appeal for modern electronic designs. Whether used in power supplies, adaptive voltage scaling systems, or high-frequency applications, the UCC3809P-1G4 provides reliable and efficient power regulation, making it a standout choice in the power management IC market.

UCC3809P-1G4 Documents

Download datasheets and manufacturer documentation for UCC3809P-1G4

Datasheets :

UCC1809-1/-2, UCC2809-1/-2, UCC3809-1/-2      

HTML Datasheet :

UCC1809-1/-2, UCC2809-1/-2, UCC3809-1/-2