UCC2813PW-2

AC DC Converters, Offline Switchers Overview

The UCC2813PW-2 is a low-power economy BiCMOS current mode PWM controller manufactured by Texas Instruments. It operates within an input voltage range of 8.2 V to 12 V, with a nominal supply of 10 V. The device supports Boost, Flyback, and Forward topologies and features a switching frequency of 1 MHz. It provides one output capable of 1 A drive current, with a maximum duty cycle of 50%. Operating temperatures span from -40°C to +85°C. The component is housed in an 8-pin TSSOP package.

AC DC Converters, Offline Switchers Feature Summary

• Implements current-mode pulse width modulation control for efficient power conversion.
• Supports multiple converter topologies including boost, flyback, and forward configurations.
• Features integrated oscillator for high-frequency operation up to 1 MHz.

AC DC Converters, Offline Switchers Applications

• Boost converter designs
• Flyback power supply implementations
• Forward converter circuits

AC DC Converters, Offline Switchers Procurement Notes

Verify the specific suffix 'PW-2' against official Texas Instruments documentation to confirm pinout and electrical characteristics, as suffixes often denote package type or temperature grade. Ensure the selected variant matches the required operating temperature range and packaging format for your design constraints.

AC DC Converters, Offline Switchers Selection Notes

Select this component for applications requiring low-cost, single-output current-mode control. Consider the 1 MHz switching frequency for compact magnetic component sizing. Verify that the 50% maximum duty cycle aligns with the target topology's requirements, particularly for forward converters where duty cycle limits are critical.

AC DC Converters, Offline Switchers Part Context

This part belongs to the UCC2813 family of low-power economy BiCMOS controllers. It shares core functionality with variants like UCC2813D-2 and UCC2813N-2, differing primarily in package style (TSSOP vs SOIC vs PDIP) and suffix codes. The family is designed for cost-sensitive power management solutions.

AC DC Converters, Offline Switchers Replacement Considerations

Direct substitutes include UCC2813D-2 (SOIC-8 package) and UCC2813N-2 (PDIP-8 package). Verify compatibility regarding package dimensions and thermal performance when transitioning between these form factors.