UCC28083DG4

AC DC Converters, Offline Switchers Overview

The UCC28083DG4 is a low-power current-mode push-pull PWM controller manufactured by Texas Instruments. It operates within a supply voltage range of 9V to 15V and supports switching frequencies from 50kHz to 1MHz. The device features a maximum duty cycle of 50% and includes an internal oscillator with a typical frequency of 1.00 MHz. It provides two output interfaces capable of delivering up to 1A output current, with a regulated output voltage of 1.00 V. Designed for surface-mount applications in SOIC-8 packages, it functions reliably across an operating temperature range of -40°C to 85°C.

AC DC Converters, Offline Switchers Feature Summary

• Implements current-mode control architecture for efficient power regulation
• Supports half-bridge and push-pull converter topologies
• Features integrated oscillator with programmable switching frequency capability

AC DC Converters, Offline Switchers Applications

• Push-pull DC/DC converter designs
• Half-bridge power supply circuits
• Low-power isolated power conversion systems

AC DC Converters, Offline Switchers Procurement Notes

Verify the specific suffix 'DG4' indicates lead-free RoHS compliance and tin-silver-copper (SnAgCu) termination finish as per standard TI naming conventions. Confirm the package type corresponds to the SOIC-8 variant. Ensure the intended application falls within the specified 9V to 15V supply voltage range and -40°C to 85°C temperature limits. Cross-reference the latest datasheet revision for any pinout or electrical characteristic updates.

AC DC Converters, Offline Switchers Selection Notes

Select this component when designing push-pull or half-bridge converters requiring current-mode control. It is suitable for applications needing a maximum 50% duty cycle and operation up to 1MHz. Consider the SOIC-8 package constraints for thermal management and PCB layout. Evaluate if the 1A output drive capability meets the gate drive requirements of the external power switches in the target topology.

AC DC Converters, Offline Switchers Part Context

This part belongs to the UCC2808 family of low-power current-mode PWM controllers. It shares functional similarities with other variants like the UCC2808AN and UCC2808AQDR but differs in package style and automotive qualification status. The UCC28083 series specifically targets general-purpose industrial and commercial power supplies where moderate efficiency and cost-effectiveness are prioritized over automotive-grade reliability standards.

AC DC Converters, Offline Switchers Replacement Considerations

Publicly confirmed substitute part numbers for UCC28083DG4 were not identified in the provided source material.