UCC3803PW

DC DC Switching Controllers Overview

The UCC3803PW is a low-power BiCMOS current-mode PWM controller manufactured by Texas Instruments. It supports Boost, Buck, Flyback, and Forward topologies with a single output channel. The device operates at a switching frequency of 1 MHz and delivers up to 1 A output current. It features a maximum duty cycle of 100% and has a fall time of 44 ns. The component is housed in an SOIC-8 package, suitable for surface mount installation. It functions within a temperature range of 0°C to +70°C.

DC DC Switching Controllers Feature Summary

• Supports multiple power conversion topologies including boost, buck, flyback, and forward configurations
• Enables high-frequency operation up to 1 MHz for compact magnetic component design
• Provides robust drive capability with 1 A output current capacity
• Allows full duty cycle control up to 100% for wide input voltage ranges

DC DC Switching Controllers Applications

• Battery chargers
• Adapters
• DC-to-DC converters

DC DC Switching Controllers Procurement Notes

Verify the specific ordering suffix and package variant when sourcing, as availability may vary between tube and reel packaging options. Confirm RoHS compliance status and ensure the supplier provides original manufacturer documentation. Check for any lifecycle notices or obsolescence alerts prior to finalizing procurement decisions for long-term production runs.

DC DC Switching Controllers Selection Notes

Select this component for applications requiring a single-output current-mode PWM solution with high efficiency. It is suitable for designs needing support for various topologies like flyback or forward converters. Consider the 1 MHz switching frequency for size optimization. Ensure the thermal environment stays within the specified 0°C to +70°C operating range for reliable performance.

DC DC Switching Controllers Part Context

This part belongs to the UCC3803 series of low-power BiCMOS current-mode PWM controllers. It is designed for cost-sensitive applications where moderate power levels are sufficient. The series offers flexibility through support for multiple converter topologies, making it a versatile choice for general-purpose power supply designs in consumer and industrial electronics.

DC DC Switching Controllers Replacement Considerations

Public confirmed substitute part numbers are not available in the provided data.