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UCC28060

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Natural interleaved dual-phase transition-mode PFC controller

Product details

Topology Boost Control mode TM Switching frequency (max) (kHz) 500 UVLO thresholds on/off (V) 12.6/10.4 Vin (max) (V) 21 Features > 750 W applications, Enable, Interleaved, Overvoltage protection, Peak current mode, Transition Control Mode Rating Catalog Operating temperature range (°C) -40 to 125 Duty cycle (max) (%) 99
Topology Boost Control mode TM Switching frequency (max) (kHz) 500 UVLO thresholds on/off (V) 12.6/10.4 Vin (max) (V) 21 Features > 750 W applications, Enable, Interleaved, Overvoltage protection, Peak current mode, Transition Control Mode Rating Catalog Operating temperature range (°C) -40 to 125 Duty cycle (max) (%) 99
SOIC (D) 16 59.4 mm² 9.9 x 6

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.

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.

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Technical documentation

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Type Title Date
* Data sheet Natural Interleaving™ Dual-Phase Transition-Mode PFC Controller datasheet (Rev. E) 20 Feb 2008
Application note UCC2806x PCB Layout Guideline for PFC 29 Apr 2019
White paper An Interleaved PFC Preregulator for High-Power Converters 28 Apr 2015
Application note LED Driver Based on UCC28060 Interleaved ACDC Single Stage Flyback 19 Oct 2011
Application note Using External Soft Start Circuit for UCC2806x 23 Mar 2011
User guide UCC28060 300W Interleaved PFC Pre-Requlator User's Guide (Rev. B) 11 Jul 2008
User guide A 600-W Interleaved Dual-Phase Transition Mode PFC Converter (Rev. A) 29 Apr 2008

Design & development

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Evaluation board

UCC28060EVM — UCC28060 Evaluation Module

The UCC28060 is a dual-phase, transition-mode Power Factor Correction (PFC) pre-regulator. The UCC28060EVM is an evaluation module 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.

The pre-regulator uses the UCC28060 PFC (...)

User guide: PDF
Not available on TI.com
Evaluation board

UCC28070EVM — UCC28070 Evaluation module

The UCC28070 evaluation module is a 300W, two-phase interleaved, PFC pre-regulator that uses average current mode control techniques to achieve near unity power factor. The pre-regulator was designed to operate off a universal ac line input of 85V to 265V and provides a regulated 390V dc output. (...)
User guide: PDF
Not available on TI.com
Calculation tool

SLUC072 UCC28060 Design Calculator

Supported products & hardware

Supported products & hardware

Products
Power factor correction (PFC) controllers
UCC28060 Natural interleaved dual-phase transition-mode PFC controller
Hardware development
Evaluation board
UCC28060EVM UCC28060 Evaluation Module
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SOIC (D) 16 View options

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