UC3901DW

Power Management - Specialized Overview

The UC3901DW is an isolated feedback generator integrated circuit manufactured by Texas Instruments. It operates within a supply voltage range of 4.5V to 40V and features a reference voltage of 1.5V. The device supports a maximum output current of 35mA and consumes 5mA of supply current. Designed for surface-mount installation, it is housed in a 16-SOIC package. The component functions within a commercial temperature range of 0°C to +70°C and is classified under PMIC - Power Management ICs.

Power Management - Specialized Feature Summary

• Provides isolated feedback generation for power control applications
• Integrates a stable 1.5V reference voltage source
• Supports surface-mount technology via SOIC-16 packaging

Power Management - Specialized Applications

• Isolated feedback loop power controllers
• Switching power supply regulation circuits
• Flyback converter feedback generation

Power Management - Specialized Procurement Notes

Verify end-of-life status before design implementation. Confirm availability of recommended substitutes such as the UC2901 series. Ensure procurement channels handle obsolete inventory correctly. Validate package compatibility with existing footprints. Check for moisture sensitivity level requirements during storage and handling.

Power Management - Specialized Selection Notes

Select this component for designs requiring isolated feedback generation within standard commercial temperature limits. Consider the 16-SOIC footprint constraints for PCB layout. Evaluate the 35mA output capability against load requirements. Verify input voltage stability within the 4.5V to 40V operating window. Assess thermal performance under maximum load conditions.

Power Management - Specialized Part Context

The UC3901DW belongs to the UC3901 family of isolated feedback generators from Texas Instruments. It serves as a specialized power management IC for controlling switching regulators. The device complements other components in the UC series designed for flyback and forward converter topologies. It addresses the need for precise feedback signal generation in isolated power systems.

Power Management - Specialized Replacement Considerations

Public confirmed substitute part numbers include UC2901DW.