UCC2802DTR

Power Supply Controllers, Monitors Overview

The UCC2802DTR is a low-power BiCMOS current-mode PWM controller manufactured by Texas Instruments. It supports Boost, Buck, Flyback, Forward, Full-Bridge, Half-Bridge, and Push-Pull topologies with one output channel. The device operates at a switching frequency of 1 MHz and provides a maximum duty cycle of 100%. It delivers an output current of 1 A and features rise and fall times of 41 ns and 44 ns respectively. The component functions within a temperature range of 0°C to +70°C and is housed in an SOIC-8 surface-mount package.

Power Supply Controllers, Monitors Feature Summary

• Implements current-mode pulse width modulation control for efficient power regulation.
• Supports versatile converter topologies including isolated and non-isolated configurations.
• Integrates high-speed drive capabilities with defined rise and fall transition times.

Power Supply Controllers, Monitors Applications

• Universal AC-DC adapters and chargers
• Flyback converters in consumer electronics
• Forward converters for distributed power systems
• Half-bridge and full-bridge resonant converters

Power Supply Controllers, Monitors Procurement Notes

Verify the specific suffix DTR indicates tape-and-reel packaging when sourcing components. Confirm RoHS compliance status through official manufacturer documentation prior to integration. Ensure the SOIC-8 footprint matches the target PCB layout requirements. Cross-reference the datasheet revision date to validate parameter accuracy against current production standards.

Power Supply Controllers, Monitors Selection Notes

Select this controller for applications requiring low quiescent current and wide topology flexibility. The 1 MHz switching frequency allows for reduced passive component size compared to lower-frequency alternatives. Consider the 0°C to +70°C operating range for standard commercial environments. Evaluate the 1 A output drive capability against gate charge requirements of the selected power switches.

Power Supply Controllers, Monitors Part Context

This component belongs to the UCC2802 series of low-power BiCMOS PWM controllers from Texas Instruments. It shares functional similarities with the UCC2803 and UCC2801 families but offers distinct pinout and feature sets tailored for specific industrial and consumer power supply designs. The device is categorized under PMIC - Power Management ICs within the broader semiconductor portfolio.

Power Supply Controllers, Monitors Replacement Considerations

Public confirmed substitute part numbers include UCC2802DTRG4. Verify compatibility regarding lead-free plating and environmental compliance specifications before substitution.