UCC2808ADTR-2

DC DC Switching Controllers Overview

The UCC2808ADTR-2 is a low-power current-mode push-pull PWM controller manufactured by Texas Instruments. It supports Full Bridge, Half Bridge, and Push-Pull topologies with two outputs. The device operates at a switching frequency of 1 MHz with a maximum duty cycle of 50%. It provides an output voltage of 4.3 V and can source 1 A of output current. The component functions within a supply voltage range of 8.5 V to 14 V, consuming 1.4 mA of operating power. It features rise and fall times of 25 ns each. The unit is housed in an SOIC-8 package and operates between -40°C and +85°C.

DC DC Switching Controllers Feature Summary

• Supports primary-side regulation for isolated power supplies
• Integrated high-current drivers for efficient gate control
• Current-mode control architecture for fast transient response

DC DC Switching Controllers Applications

• Isolated DC-DC converters
• Flyback power supplies
• Push-pull converter designs

DC DC Switching Controllers Procurement Notes

Verify the specific suffix 'A' and '-2' against the manufacturer's official documentation to ensure correct temperature grade and pin configuration. Confirm RoHS compliance status through the latest datasheet revision. Check for any recent Product Change Notifications regarding packaging or material composition updates before finalizing procurement orders.

DC DC Switching Controllers Selection Notes

Select this component for applications requiring low-power operation with push-pull or bridge topologies. Ensure the design accommodates the 1 MHz switching frequency and the specified 50% maximum duty cycle. Verify that the required output drive current does not exceed the 1 A limit and that the operating environment stays within the -40°C to +85°C range.

DC DC Switching Controllers Part Context

This part belongs to the UCC2808A series of low-power current-mode PWM controllers. It is designed for cost-sensitive, high-frequency isolated power conversion applications. The device integrates essential protection features and driver stages to simplify the design of small form-factor power adapters and auxiliary power supplies.

DC DC Switching Controllers Replacement Considerations

Consult the official datasheet for direct replacements within the UCC2808 family. Verify pin compatibility and electrical specifications before substituting.