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  • UCC256403: UCC256403

    TI Thinks Resolved
    Part Number: UCC256403 Other Parts Discussed in Thread: UCC25600 Dear Sir, Can I get TINA simulation model or reference circuit for selected LLC controller - UCC256403. Need for simulation and analysis in TINA
    • Answered

  • UCC256403: Conditions under which the internal LDO is enabled

    Resolved
    Part Number: UCC256403 Hello, I would like to ask you about the internal LDO of the UCC256403. Looking at the block diagram in the data sheet, the RVCCEn signal must be input to the LDO to enable the internal LDO. What are the conditions under which RVCCEn…
    • Resolved
    • Answered

  • UCC256403: VCC and burst mode

    Resolved
    Part Number: UCC256403 We follow your recommendation and move to the UCC256403 ( https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/1042317/ucc256303-skipping-pulses?tisearch=e2e-quicksearch&keymatch=ucc256303…
    • Resolved
    • Answered

  • UCC256403: Power ON/OFF cycle test

    Resolved
    Part Number: UCC256403 Hello E2E, Our customer tried power ON->OFF cycle operation test. When power-on immediately after power-off, the Vout is not to reach until target voltage. Voltage of LL/SS is fauld to 1.3V when restart. I think, the Rdischarge…
    • Resolved
    • Answered

  • UCC256403: check the PFC+LLC schematics

    Resolved
    Part Number: UCC256403 Other Parts Discussed in Thread: UCC28019A , Hi Sirs, My customer is utilizing the UCC256403+UCC28019A to do the 2 type ACDC converter circuits with the following specifications. ACDC converter specifications ・AC Input Voltage Range…
    • Resolved
    • Answered

  • UCC256403: About the voltage applied to the VCC pin at startup

    Resolved
    Part Number: UCC256403 Hello, I would like to ask you about the UCC256403 device. I am considering the behavior at startup below. First, 12V is applied to the VCC pin from the external power supply, and after the device is started, 15V generated from the…
    • Resolved
    • Answered

  • UCC256403: About replacement

    Resolved
    Part Number: UCC256403 Other Parts Discussed in Thread: UCC256404 , UCC256402 Hi team, I am thinking of replacing UCC256403 with UCC256404B in terms of supplyability. From the datasheet, there are no major differences other than function, and I thought…
    • Resolved
    • Answered

  • UCC256403:Application

    Resolved
    Part Number: UCC256403 Good morning, I would like to know if the UCC25630-3DDBR device can be used for an application that will have as nominal parameters: Vin: 390 Vdc Vout: 54 Vdc Iout: 30 amp Att, Gabriel Paulino
    • Resolved
    • Answered

  • UCC256403: Realization of ACDC converter

    Resolved
    Part Number: UCC256403 Other Parts Discussed in Thread: UCC28950 , UCC28070 , UCC28180 Hi support team, I am looking for a 2-output ACDC converter with the following specifications. ACDC converter specifications ・AC Input Voltage Range: 85 to 264V ・DC Output…
    • Resolved
    • Answered

  • UCC256403: Design Calculator Password

    Resolved
    Part Number: UCC256403 Hi Team, Our customer is currently utilizing the UCC25640x Design Calculator . They were able to enter new parameters highlighted in yellow in the "Design Inputs and Calculations" tab but upon updating cell C102, the spreadsheet asks…
    • Resolved

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