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  • UCC28051: The way to use UCC28051 instead of UCC28811

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    Part Number: UCC28051 Other Parts Discussed in Thread: UCC28811 Dear Specialists, My customer are looking for alternative device due to bad delivery of UCC2811. UCC28051 has the same pin assignment (although the pin names are different) and same block…
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  • UCC28811: Questions about UCC28811 electrical characteristics.

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    Part Number: UCC28811 Other Parts Discussed in Thread: UCC28810 Hello guys, One of my customers is considering using UCC28811 for their new LED lighting products. Also they are going to start the product design with the following application note. The…
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  • UCC28811: What if DC voltage applied to PFC circuit

    TI Thinks Resolved
    Part Number: UCC28811 Other Parts Discussed in Thread: UCC28810 , UCC28051 Hi, One of my customer wants to design circuit for the below specification. Input voltage - 24V AC/ DC +/- 10% Output voltage - 17V/1A Isolation - 1KV Also need PFC to improve on…
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  • UCC28811: What is UCC28811 maximum switching frequency?

    Resolved
    Part Number: UCC28811 Other Parts Discussed in Thread: UCC28050 Hello guys, One of our customers is using UCC28811 for many their products. The customer wants to know what the maximum switching frequency of the device. I think UCC28811 switching frequency…
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  • UCC28811: PMP6024

    TI Thinks Resolved
    Part Number: UCC28811 Other Parts Discussed in Thread: PMP6024 , , TPS92210 Hi, As mentioned previously I have built a prototype based on the reference design PMP6024 and have some issue with the startup circuitry and the consequence is that the MOSFET…

  • UCC28811: Reference design PMP6024A start up circuitry overheated

    TI Thinks Resolved
    Part Number: UCC28811 Other Parts Discussed in Thread: PMP6024 tidrel3.pdf Hi there, I have build a prototype based on the PMP6024 and the main circuit is UCC28811DR. Unfortunately I have some problem with the start up circuitry. Q1 overheated and burned…
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  • UCC28811: Which situation is higher switching frequency between EAOUT voltage = 2.75V and =3.0V with same external part and same VINS voltage.

    Resolved
    Part Number: UCC28811 Other Parts Discussed in Thread: UCC28810 Hello guys, One of my customers has the following questions. Could you give me your answers? Q1. Which situation is higher switching frequency between EAOUT voltage = 2.75V situation and…
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  • UCC28810: Can meet customer requirements?

    Resolved
    Part Number: UCC28810 Other Parts Discussed in Thread: UCC28811 , UCC28050 Hello, My customer is looking for a LED lighting controller and found UCC28810/1 on TI.com. Can customer design their circuits using either UCC28810 or UCC28811 to meet the following…
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  • UCC28811: Please help me decide how to reduce the Vout while increase the Iout of this design ?

    Part Number: UCC28811 Other Parts Discussed in Thread: UCC28810 , TPS40211 Hello, first please forgive me to ask this novice question because I'm very much a rookie at power supply designs. 2nd please understand that I tried to tag the reference design…
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  • UCC28810EVM-003: Output Constant Current

    Resolved
    Part Number: UCC28810EVM-003 Other Parts Discussed in Thread: UCC28811 , How do we get an output constant current , while opting for external dimming using UCC28811 IC in buck stage? What is the relation between duty cycle of the applied PWM signal and…
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