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  • UCC28060 Stability Analysis

    Other Parts Discussed in Thread: UCC28060 , UCC28063 , UCC38050 I want to optimize closed loop performance for pfc UCC28060 with regard to phase margin and cross over (0dB) frequency. Design goal is to reach more than 50 deg of phase margin with cross…

  • UCC28060 Vcc

    Other Parts Discussed in Thread: UCC28060 Hi, I need clarification on the VCC of UCC28060. Pg 3 & 8 of the slus767e doc recommends between 14V to 21V (8 to 18mA). Pg of same spec specifies 22V to 26V at 10mA. and 12.6/10.35V UVLO hysteresis. In pg 23…

  • UCC28060 how to use as the boost-converter

    Other Parts Discussed in Thread: UCC28060 , LM5122 Hi, My customer is trying to use the UCC28060 as the boost-converter. The condition is following. - Vin:32V - Vout:190V -fs:60kHz - Pout:1500W - Dual phase I'm thinking that the UCC28060…

  • UCC28060 series

    Other Parts Discussed in Thread: UCC28060 Hi, After combing throught the specs of UCC28060, 28061 and 28063, I could not find any difference between apart from the improved audible noise immunity feature. Could you pls help to point out other differences…
    • Answered

  • UCC28060

    Resolved
    Other Parts Discussed in Thread: UCC28060 Hi, I am currently using UCC28060 to build a PFC, the two MOSFETs are set to permanently interleaved (Phase management Disabled). It works fine except during power up, the two MOSFET gate drives are found to…
    • Resolved
    • Answered

  • RE: UCC28060 Evaluation Board Availability

    Resolved
    Dear Geovid Kali, Is there an eval. board for the UCC28060 150W flyback. ?
    • Answered

  • 300W PFC with input 3 Phase (Delta, 3 wire) 220VAC, L-L, 50Hz.

    Resolved
    Other Parts Discussed in Thread: UCC28060 Hi, Please suggest us any reference design or circuit for 300W PFC with input 3 Phase (Delta, 3 wire) 220VAC, L-L, 50Hz.
    • Resolved
    • Answered

  • UCC28065: OCP Recovery Behavior in UCC28065 – Simultaneous ON of Both MOSFETs

    Resolved
    Part Number: UCC28065 Other Parts Discussed in Thread: UCC28060 , UCC28070 Tool/software: Hi, We are currently evaluating the UCC28065 for a dual-phase interleaved PFC application. In the datasheet section 8.3.14.2, it is described that after an overcurrent…
    • Resolved
    • Answered

  • UCC28070: Does UCC28070 have a burst operation mode for efficiency improving in light load mode?

    Resolved
    Part Number: UCC28070 Other Parts Discussed in Thread: UCC28065 , UCC28064A , UCC28063 , UCC28061 , UCC28060 Tool/software: Hello guys, One of my customers uses UCC28070 for their mass-production. At this moment, they have the following questions…
    • Resolved
    • Answered

  • RE: UCC28061-Q1: Automotive Qualified Analog PFC Controller

    Resolved
    Hello Aravind, That "Burst Operation" signal in the UCC28061-Q1 (and UCC28061) datasheet is a mistake. It should not be there. The block diagram is in error. It was carried forward from the UCC28060 datasheet and modified (but apparently not completely…

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