UCC3808APWTR-1

AC DC Converters, Offline Switchers Overview

The UCC3808APWTR-1 is a low-power current-mode push-pull PWM controller manufactured by Texas Instruments. It supports Buck and Boost topologies with two outputs. The device operates at a switching frequency of 1 MHz and delivers an output current of 1 A. It features a maximum duty cycle of 50% and a fall time of 25 ns. The component functions within a temperature range of 0°C to +70°C and is housed in a TSSOP-8 surface-mount package.

AC DC Converters, Offline Switchers Feature Summary

• Implements current-mode control for efficient power management
• Generates push-pull PWM signals for transformer-driven applications
• Designed for low-power operation to minimize standby consumption

AC DC Converters, Offline Switchers Applications

• Low-power flyback converters
• Push-pull DC-DC converter designs
• Battery-powered equipment power stages

AC DC Converters, Offline Switchers Procurement Notes

Verify the specific suffix designation against official Texas Instruments documentation to confirm pinout compatibility and electrical characteristics. Ensure the ordering part number matches the required tape-and-reel packaging format. Cross-reference the manufacturer's latest datasheet revision to validate RoHS compliance status and any recent design changes before finalizing procurement orders.

AC DC Converters, Offline Switchers Selection Notes

Select this component for applications requiring a compact solution with integrated current-mode control. The TSSOP-8 package suits space-constrained printed circuit board layouts. Consider the 1 MHz switching frequency when designing external magnetic components. Verify that the operating temperature range aligns with the intended environmental conditions of the target system.

AC DC Converters, Offline Switchers Part Context

This device belongs to the UCC3808A series of low-power PWM controllers. It is designed as a cost-effective alternative to higher-performance counterparts while maintaining essential control features. The series is commonly utilized in consumer electronics and industrial power supplies where efficiency and component count are critical design factors.

AC DC Converters, Offline Switchers Replacement Considerations

Consult the Texas Instruments product selection guide for verified cross-reference part numbers. Ensure functional equivalence regarding control topology and pin configuration before substitution.