The UCC2808DTR-1 is a state-of-the-art low-power, BiCMOS current-mode, push-pull PWM controller from Texas Instruments. It is specifically designed for high-performance, off-line power conversion applications that require efficient power management and compact design. The UCC2808DTR-1 is an integral component in the development of power supplies, DC-DC converters, and other power control circuits.

Key Features

• Low Startup and Operating Current: The device boasts a startup current of typically 0.5µA and an operating current of 1.5mA, optimizing efficiency and enabling the design of energy-saving power systems.
• High-Frequency Operation: With an oscillator frequency range up to 1 MHz, the UCC2808DTR-1 allows for the use of smaller and lighter passive components, reducing the overall size and cost of the power supply.
• Adjustable Dead-Time: The controller provides programmable dead-time, which allows fine-tuning of the power stage to achieve optimal efficiency and performance.
• Dual Output Drive Stages: The push-pull configuration enhances the power stage by driving both sides of a center-tapped transformer, leading to balanced power distribution and improved efficiency.
• Under-Voltage Lockout (UVLO): Both line and low-side UVLO thresholds are included, ensuring that the device operates only when the supply voltage is sufficient, thus protecting the circuit from low-voltage conditions.

Applications

The UCC2808DTR-1 is highly versatile and can be used in a variety of applications, including:

• Isolated and non-isolated power supplies
• Telecommunication equipment
• Industrial control systems
• Portable devices and battery-powered systems

Package and Availability

The UCC2808DTR-1 is available in an 8-pin thin shrink small-outline package (TSSOP), which is ideal for space-constrained applications. It is also offered in tape and reel format, facilitating efficient assembly during the manufacturing process. As a product of Texas Instruments, it is backed by the company's reputation for quality and reliability, and is supported by comprehensive technical documentation and tools.