Texas-instruments UCC28060EVM Bedienungsanleitung PDF herunterladen

1 Description

2 Thermal Requirements

3 Electrical Characteristics

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 V

RMS

to 265 V

RMS

and provides power-factor correction.

Throughout this document, the acronym EVM and the phrases evaluation board and evaluation module

are synonymous with the UCC28060EVM.

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.

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

Table 1 summarizes the electrical specifications of the UCC28060EVM.

Table 1. UCC28060EVM Electrical Specifications

UCC28060EVM

PARAMETER CONDITIONS UNITS

MIN TYP MAX

RMS input voltage (ac line) 85 265 V

RMS

Output voltage, V

OUT

390 V

Line frequency 47 63 Hz

Power factor (PF) at maximum load 0.9

Output power 300 W

AC line = 115 V 94%

Full load efficiency

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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Inhaltsverzeichnis

Seite 1 - User's Guide

1 Description2 Thermal Requirements3 Electrical CharacteristicsUser's GuideSLUU280B – May 2007 – Revised July 2008UCC28060EVM 300-W Interleaved P

Seite 2 - 4 Schematics

6.5 Line TransientTypical Performance Datawww.ti.comA line transient test was conducted with an ac source on the reference design. The line was varied

Seite 3 - Schematics

7 Reference Design Assembly DrawingC3C2Output 390VMaximum Load 0.77A13www.ti.comReference Design Assembly DrawingFigure 20 and Figure 22 show the top

Seite 4 - 13V Bias Supply

13C17D2Output 390VMaximum Load 0.77AJP8JP98 List of MaterialsList of Materialswww.ti.comFigure 22. Bottom Layer AssemblyTable 2 lists the EVM componen

Seite 5 - 6 Typical Performance Data

www.ti.comList of MaterialsTable 2. List of Materials (continued)Qty RefDes Value Description Size Part Number MFR1 JP1 923345-20-C Jumper, 1.600 inch

Seite 6 - Figure 7. Current Harmonics

EVALUATION BOARD/KIT IMPORTANT NOTICETexas Instruments (TI) provides the enclosed product(s) under the following conditions:This evaluation board/kit

Seite 7 - Typical Performance Data

IMPORTANT NOTICETexas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, modifications, enhancements, improveme

Seite 8

4 Schematics++Schematicswww.ti.comFigure 1 and Figure 2 show the schematics for this EVM. See the List of Materials for specific values.To evaluate in

Seite 9 - 6.4 Brownout Protection

+www.ti.comSchematicsFigure 2. Controller CircuitrySLUU280B – May 2007 – Revised July 2008 UCC28060EVM 300-W Interleaved PFC Pre-Regulator 3Submit Doc

Seite 10 - 6.5 Line Transient

5 Test Setup and Power-Up/Power-Down InstructionsIsolation Transformer0 to 300W LoadVM+13V Bias SupplyTest Setup and Power-Up/Power-Down Instructionsw

Seite 11 - Maximum Load 0.77A

6 Typical Performance DataEfficiency90.0%91.0%92.0%93.0%94.0%95.0%96.0%97.0%98.0%99.0%100.0%10% 20% 30% 40% 50% 60% 70% 80% 90% 100%% Output Pow erEff

Seite 12 - 8 List of Materials

Efficiency at Vin = 230V RMS85.0%87.0%89.0%91.0%93.0%95.0%97.0%99.0%10% 20% 30% 40% 50% 60% 70% 80% 90% 100%% Output PowerEfficiency (%)With Phase Man

Seite 13 - List of Materials

6.1 Output Ripple Voltage at Full Load6.2 Input Ripple Current Cancellationwww.ti.comTypical Performance DataFigure 8 illustrates the output ripple vo

Seite 14 - EVM WARNINGS AND RESTRICTIONS

Typical Performance Datawww.ti.comFigure 11. Inductor and Input Ripple Current Figure 12. Inductor and Input Ripple Currentat 265 VRMSInput at Peak Li

Seite 15 - IMPORTANT NOTICE

6.3 Startup Characteristics6.4 Brownout Protectionwww.ti.comTypical Performance DataFigure 15 and Figure 16 illustrate the UCC28060EVM startup charact

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