UCC2813PWTR-0

DC DC Switching Controllers Overview

The UCC2813PWTR-0 is a low-power economy BiCMOS current mode PWM controller manufactured by Texas Instruments. It supports boost, buck, flyback, and forward topologies with a single output. 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 100% and a fall time of 44 ns. The component functions within a temperature range of -40°C to +85°C and is housed in an 8-pin TSSOP package.

DC DC Switching Controllers Feature Summary

• Implements current mode pulse width modulation control for efficient power conversion
• Supports multiple converter topologies including boost, buck, flyback, and forward configurations
• Enables continuous conduction via 100% maximum duty cycle capability

DC DC Switching Controllers Applications

• Battery-powered portable equipment requiring low quiescent current
• DC-DC converters utilizing boost or buck architectures
• Flyback and forward isolated power supply designs

DC DC Switching Controllers Procurement Notes

Verify the specific suffix '0' indicates the correct undervoltage lockout thresholds and operating temperature range (-40°C to +85°C). Confirm the TSSOP-8 package variant matches the design requirements. Ensure RoHS compliance documentation aligns with regional regulatory standards. Cross-reference the manufacturer part number against official Texas Instruments databases to validate authenticity and revision status before procurement.

DC DC Switching Controllers Selection Notes

Select this component for applications prioritizing low power consumption and cost efficiency over high-frequency performance. The 1 MHz switching frequency balances size constraints with electromagnetic interference considerations. The BiCMOS technology offers a balance between drive strength and static power dissipation suitable for economy-grade power management solutions.

DC DC Switching Controllers Part Context

This device belongs to the UCC2813 family of low-power current mode PWM controllers. It shares architectural similarities with other members like the UCC2813N-2 but differs in package type and specific electrical characteristics such as UVLO thresholds. The PWTR-0 designation specifically identifies the tape-and-reel packaging format of the TSSOP-8 variant.

DC DC Switching Controllers Replacement Considerations

Direct substitutes include UCC2813PW-1 and UCC2813PW-1G4 from Texas Instruments. Verify pin compatibility and electrical parameter alignment, particularly regarding input voltage ranges and thermal specifications, when evaluating alternative sources.