UCC3808ADTR-2

DC DC Switching Controllers Overview

The UCC3808ADTR-2 is a low-power, current-mode push-pull PWM controller manufactured by Texas Instruments. It operates within a supply voltage range of 4.1V to 15V and supports switching frequencies up to 1 MHz. The device features two output drivers capable of delivering a peak sink current of 1 A and a peak source current of 500 mA. Designed for surface-mount applications, it utilizes an 8-SOIC package with a width of 3.90 mm. The operational temperature range extends from 0°C to +70°C, ensuring reliable performance in standard industrial environments.

DC DC Switching Controllers Feature Summary

• Dual-output push-pull driver stage configured for half-frequency operation with inherent dead-time limiting duty cycle below 50%.
• Integrated current-sense discharge transistor activates during oscillator dead time to improve dynamic response and reduce filter capacitance requirements.
• Built-in error amplifier provides stable voltage regulation with high gain-bandwidth product for fast transient recovery.

DC DC Switching Controllers Applications

• High-efficiency DC-DC converters
• Telecommunications power supplies
• Load point power modules

DC DC Switching Controllers Procurement Notes

Verify the specific suffix 'G4' against official manufacturer documentation to confirm RoHS compliance status and lead-free manufacturing details. Ensure the ordering part number matches the exact tape-and-reel packaging configuration required for automated assembly processes. Cross-reference the datasheet revision history to validate any recent design or specification updates before finalizing procurement orders.

DC DC Switching Controllers Selection Notes

Select this component for designs requiring minimal external component count and low quiescent current consumption. The integrated soft-start circuit prevents inrush currents during startup, while the fixed frequency operation simplifies filter design. Consider the 8-SOIC package constraints for thermal management and PCB layout density when integrating into compact power systems.

DC DC Switching Controllers Part Context

This device belongs to the UCCx808A series, which represents an enhanced version of the original UCC3808 family. The 'A' designation indicates improved internal circuitry, specifically the inclusion of the current-sense discharge feature. The 'D' suffix denotes the SOIC package type, while 'TR' specifies reel-based packaging for high-volume manufacturing efficiency.

DC DC Switching Controllers Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided reference data. Verify compatibility with alternative controllers by comparing pin configurations, electrical specifications, and functional block diagrams directly with the manufacturer's official documentation.