UC2842AD8TR

Power Supply Controllers, Monitors Overview

The UC2842AD8TR is a current-mode PWM controller manufactured by Texas Instruments, designed for DC-DC switching applications. It supports Boost, Buck, Flyback, and Forward topologies with a maximum switching frequency of 500 kHz. The device features an adjustable duty cycle up to 96% and operates within a supply voltage range of 10V to 30V. It provides a single positive output capable of isolation and is housed in an 8-SOIC package. The component functions reliably across a temperature range of -40°C to 85°C.

Power Supply Controllers, Monitors Feature Summary

• Implements current-mode pulse width modulation control architecture
• Supports multiple converter topologies including boost, buck, flyback, and forward
• Provides a single transistor driver output stage
• Features frequency control characteristics

Power Supply Controllers, Monitors Applications

• Boost DC-DC converter designs
• Buck DC-DC converter implementations
• Flyback power supply circuits
• Forward converter systems

Power Supply Controllers, Monitors Procurement Notes

Verify the specific suffix 'D8TR' corresponds to the tape-and-reel packaging format as indicated by distributor listings. Confirm that the manufacturer designation aligns with Texas Instruments specifications for this part number variant. Ensure compatibility with required operating temperature ranges and package dimensions before integration into final assembly processes.

Power Supply Controllers, Monitors Selection Notes

Select this component when a current-mode PWM controller is required for isolated or non-isolated power stages. It is suitable for designs needing support for multiple topologies such as flyback or forward converters. Consider the 8-SOIC package constraints and the 500 kHz switching frequency limit when determining thermal management and layout requirements for the application.

Power Supply Controllers, Monitors Part Context

This component belongs to the UC2842 family of current-mode PWM controllers produced by Texas Instruments. The family includes variants with different temperature ratings and package options, such as automotive-grade versions. The UC2842 series is widely used in general-purpose power supply designs requiring robust control loop performance and flexible topology support.

Power Supply Controllers, Monitors Replacement Considerations

Direct substitutes include UC2842AD8G4, UC2842AD8TR, UC2842D8, and UC2842D8TR from Texas Instruments.