UC3848DW

AC DC Converters, Offline Switchers Overview

The UC3848DW is an average current mode PWM controller manufactured by Texas Instruments, designed for offline converter applications. It supports Buck and Forward topologies with a switching frequency up to 1MHz. The device operates within a supply voltage range of 10V to 22V and features a startup voltage of 13V. It achieves a maximum duty cycle of 79.5% and functions reliably across a temperature range of 0°C to 70°C. Housed in a 16-SOIC package, it provides isolated output control.

AC DC Converters, Offline Switchers Feature Summary

• Implements average current mode control architecture for precise regulation
• Supports Buck and Forward converter topologies
• Features integrated soft-start and protection mechanisms

AC DC Converters, Offline Switchers Applications

• Offline power supplies
• Buck converters
• Forward converters

AC DC Converters, Offline Switchers Procurement Notes

Verify the UC3848DW status as obsolete or end-of-life before procurement planning. Confirm availability through authorized distributors or approved alternative sources. Ensure compatibility with existing design specifications if substituting components. Check for RoHS compliance and moisture sensitivity levels relevant to assembly processes. Validate that replacement parts meet all electrical and thermal requirements.

AC DC Converters, Offline Switchers Selection Notes

Select this component for designs requiring average current mode control in offline applications. Consider the 16-SOIC package constraints and operating temperature limits. Evaluate the 1MHz switching frequency capability against electromagnetic interference requirements. Assess the need for isolated output configurations inherent to this controller type.

AC DC Converters, Offline Switchers Part Context

The UC3848DW belongs to the UC3848 series of power management ICs from Texas Instruments. It is categorized under AC DC converters and offline switch controllers. This part is part of a broader family of current mode controllers designed for high-performance power conversion systems.

AC DC Converters, Offline Switchers Replacement Considerations

The UCC28250PWR is listed as a similar replacement option by Texas Instruments. Verify functional equivalence and pin compatibility before substitution.