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UCC2819AN Datasheet(PDF) 10 Page - Texas Instruments |
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UCC2819AN Datasheet(HTML) 10 Page - Texas Instruments |
10 / 21 page UCC2819A UCC3819A SLUS579 − OCTOBER, 2003 10 www.ti.com APPLICATION INFORMATION Figure 6 VFF − Feedforward Voltage − V 1.0 2.0 3.0 4.0 5.0 100 300 400 500 0 200 VAOUT = 3 V VAOUT = 2 V VAOUT = 4 V VAOUT = 5 V MULTIPLIER CONSTANT POWER PERFORMANCE 0.0 References and Resources: Application Note: Differences Between UCC3817A/18A/19A and UCC3817/18/19, Texas Instruments Literature Number SLUA294 User’s Guide: UCC3817 BiCMOS Power Factor Preregulator Evaluation Board, Texas Instruments Literature Number SLUU077 Application Note: Synchronizing a PFC Controller from a Down Stream Controller Gate Drive, Texas Instruments Literature Number SLUA245 Seminar topic: High Power Factor Switching Preregulator Design Optimization, L.H. Dixon, SEM−700,1990. Seminar topic: High Power Factor Preregulator for Off−line Supplie”, L.H. Dixon, SEM−600, 1988. Related Products DEVICE DESCRIPTION CONTROL METHOD TYPICAL POWER LEVEL UCC3817/A,18/A BiCMOS PFC controller ACM(2) 75 W to 2 kW+ UC3854 PFC controller ACM(2) 200 W to 2 kW+ UC3854A/B Improved PFC controller ACM(2) 200 W to 2 kW+ UC3855A/B High performance soft switching PFC controller ACM(2) 400 W to 2 kW+ UCC38050/1 Transition mode PFC controller CRM(1) 50 W to 400 W UCC28510/11/12/13 Advanced PFC+PWM combo controller ACM(2) 75 W to 1kW+ UCC28514/15/16/17 Advanced PFC+PWM combo controller ACM(2) 75 W to 1kW+ NOTES: (1). Critical conduction mode (2). Average current mode |
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