Texas Instruments UCC28060EVM specifications Description, Thermal Requirements

User's Guide

SLUU280B–May 2007–Revised July 2008

UCC28060EVM 300-W Interleaved PFC Pre-Regulator

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.

Throughout this document, the acronym EVM and the phrases evaluation board and evaluation module are synonymous with the UCC28060EVM.

1Description

The pre-regulator uses the UCC28060 PFC interleaved controller to shape the input current wave to provide power-factor correction. This device uses TI’s Natural Interleaving™ technology to interleave boost phases.

This user’s guide provides the schematic, List of Materials list, assembly drawing for a single-sided printed circuit board application, and test set-up information necessary to evaluate the UCC28060 in a typical PFC application.

2Thermal Requirements

This evaluation module will operate up to 300 W without external cooling in ambient tempatures of 25°C.

3Electrical Characteristics

Table 1 summarizes the electrical specifications of the UCC28060EVM.

Table 1. UCC28060EVM Electrical Specifications

PARAMETER	CONDITIONS	UCC28060EVM		UNITS
		TYP	MAX
	MIN
RMS input voltage (ac line)		85	265	VRMS
Output voltage, VOUT		390		V
Line frequency		47	63	Hz
Power factor (PF) at maximum load		0.9
Output power			300	W
Full load efficiency	AC line = 115 V	94%
	AC line = 230 V	97%

Natural Interleaving is a trademark of Texas Instruments.

All other trademarks are the property of their respective owners.

SLUU280B–May 2007–Revised July 2008	UCC28060EVM 300-W Interleaved PFC Pre-Regulator	1
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