UCC28083D

AC DC Converters, Offline Switchers Overview

The UCC28083D is a low-power current-mode push-pull PWM controller manufactured by Texas Instruments. It supports half-bridge and push-pull topologies with a maximum switching frequency of 1.00 MHz. The device operates on a supply voltage ranging from 9V to 15V, consuming 2.5 mA of supply current. It features two adjustable outputs capable of delivering up to 1 A output current at 1.00 V. The component has a maximum duty cycle of 50%, with rise and fall times of 25 ns each. It dissipates a maximum power of 650 mW and functions within an operating temperature range of -40°C to 85°C. The unit is housed in an SOIC-8 surface-mount package.

AC DC Converters, Offline Switchers Feature Summary

• Implements current-mode control for push-pull and half-bridge DC/DC converter applications
• Provides dual isolated output drivers with fast switching characteristics
• Supports high-frequency operation up to 1 MHz for compact magnetics design

AC DC Converters, Offline Switchers Applications

• Push-pull DC/DC converter designs
• Half-bridge power supply architectures
• Low-power isolated voltage regulation systems

AC DC Converters, Offline Switchers Procurement Notes

Verify the specific suffix 'D' indicates the SOIC-8 package variant when sourcing. Confirm RoHS compliance status through official manufacturer documentation or authorized distributors. Ensure the procurement channel provides valid traceability for the active lifecycle stage. Cross-reference the ordering information against the latest datasheet revision to avoid obsolete sub-types.

AC DC Converters, Offline Switchers Selection Notes

Select this component for applications requiring dual-drive isolation in push-pull or half-bridge configurations. The 1 MHz capability allows for reduced transformer size compared to lower-frequency alternatives. Verify that the required duty cycle does not exceed the 50% limit inherent to the topology. Ensure the input voltage remains within the 9V to 15V operational window for stable performance.

AC DC Converters, Offline Switchers Part Context

The UCC28083D belongs to the UCC2808 series of low-power current-mode PWM controllers. This family is designed specifically for driving push-pull and half-bridge topologies. It serves as a cost-effective solution for isolated power supplies where moderate output current and high switching frequencies are required.

AC DC Converters, Offline Switchers Replacement Considerations

Consult the official datasheet for direct pin-compatible replacements within the UCC2808 series. Verify electrical parameters such as supply voltage range and switching frequency before substituting.