UCC28060EVM: 390V @ 300W, 85 ~ 265V in

Summary

The UCC28060 is a dual-phase, transition-mode Power Factor Correction (PFC) pre-regulator. The UCC28060EVM is an evaluation module (EVM) with a 390-V, 300-W, dc output that operates from a universal input of 85 VRMS to 265 VRMS and provides power-factor correction.

Optimized for high-volume consumer applications, this solution extends the advantages of transition mode-high efficiency with low-cost components to higher power ratings than previously possible. By utilizing a Natural Interleaving technique, both channels operate as masters (that is, there is no slave channel) synchronized to the same frequency. This approach delivers inherently strong matching, faster responses, and ensures that each channel operates in transition mode.

Complete system-level protections feature input brownout, output over-voltage, open-loop, overload, soft-start, phase-fail detection, and thermal shutdown. The additional FailSafe over-voltage protection (OVP) feature protects against shorts to an intermediate voltage that, if undetected, could lead to catastrophic device failure.

Specifications

Manufacturer Texas Instruments
Category Power Management
Sub-Category Power Factor Correction
Eval Board Part Number UCC28060EVM-ND
Eval Board Supplier Texas Instruments
Eval Board Normally In Stock
Output Power 300 W
Voltage In 85 ~ 265 VAC
Voltage Out 390 V
THD @ Conditions
Efficiency @ Conditions >96%, 230V in, 390V @ 60 ~ 300 W (w/ Φ Mgmt)
>94%, 115V in, 390V @ 30 ~ 300 W (w/ Φ Mgmt)
Features Light Load Mode
Open Circuit Protection
Over Voltage Protection
Phase-Fail Detection
Soft Start
Thermal Protection
Under Voltage Protection, Brown-Out
Switching Frequency 45 kHz
Application / Target Market Computers
LCD TV / Monitor
Lighting: Electronic Ballast
Servers
Component Count + Extras 61 + 12
Design Author Texas Instruments
Main I.C. Base Part UCC28060
Date Created By Author
Date Added To Library 2011-03

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