Texas Instruments

UCC1802J

UCC1802J Description

The UCC1802J is a low-power BICMOS current-mode PWM controller designed for a wide range of power conversion applications. Manufactured by Texas Instruments, this device is part of the UCC280x series and is optimized for boost, flyback, and forward converter topologies. The UCC1802J features a positive output configuration and operates as a transistor driver, making it suitable for driving external MOSFETs or BJTs. With a supply voltage range of 8.3V to 12V, it is designed to handle various input voltage scenarios while maintaining high efficiency and reliability.

UCC1802J Features

• Output Type: Transistor Driver
• Output Configuration: Positive
• Frequency - Switching: Up to 1MHz
• Voltage - Supply (Vcc/Vdd): 8.3V ~ 12V
• Control Features: Current Limit, Dead Time Control, Soft Start
• Duty Cycle (Max): 99%
• Number of Outputs: 1
• Output Phases: 1
• Package: Tube
• Mounting Type: Through Hole
• Product Status: Active
• RoHS Status: ROHS3 Compliant
• Moisture Sensitivity Level (MSL): Not Applicable
• Synchronous Rectifier: No
• Clock Sync: No
• ECCN: EAR99
• HTSUS: 8542.39.0001

The UCC1802J offers several unique features that set it apart from similar models. Its ability to operate at switching frequencies up to 1MHz makes it ideal for high-frequency applications where compact size and high efficiency are critical. The device also includes advanced control features such as current limit, dead time control, and soft start, which enhance system reliability and performance. The wide supply voltage range ensures compatibility with various power sources, making it versatile for different power management needs.

UCC1802J Applications

The UCC1802J is well-suited for applications requiring efficient power conversion and precise control. Its compatibility with boost, flyback, and forward converter topologies makes it ideal for:

• DC-DC Converters: Providing efficient voltage regulation in compact designs.
• Switching Power Supplies: Ensuring high efficiency and reliability in power supply applications.
• Battery Chargers: Offering precise control and protection features for safe and efficient charging.
• Motor Drives: Driving external transistors for motor control applications.

The UCC1802J's through-hole mounting type and tube packaging make it suitable for applications where robust mechanical stability and easy integration are required. Its ROHS3 compliance ensures that it meets the latest environmental standards, making it a responsible choice for environmentally conscious designs.

Conclusion of UCC1802J

The UCC1802J from Texas Instruments is a versatile and efficient low-power BICMOS current-mode PWM controller. Its wide range of features, including high switching frequency, advanced control mechanisms, and compatibility with various converter topologies, make it a reliable choice for power management applications. The device's robust design, through-hole mounting, and tube packaging ensure ease of integration and mechanical stability. Whether used in DC-DC converters, switching power supplies, battery chargers, or motor drives, the UCC1802J offers a high-performance solution that meets the demands of modern electronics.