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  • UC1525A: No Load oscillation, Thermal issues

    TI Thinks Resolved
    Part Number: UC1525A Tool/software: I am suddenly experiencing an issue with a buck converter the historically used the UC1525AJ or the SG1525AJ PWM IC as a substitute when required due to availability issues. While the SG1525AJ IC continues to operate…
    • Answered

  • UC1525A: UC1525A

    Resolved
    Part Number: UC1525A While updating a very early design for the 20 pin version surface mount version of this device, I found a small but important difference in from the 16 pin dual inline package in how the device performed. I basically had a finished…
    • Resolved
    • Answered

  • UC1525A: UC1525AJ Re-Tinned Lead Plating

    Resolved
    Part Number: UC1525A Hi, my customer raised up a quick question on the plating for these modulator IC components as the leads appear to be re-tinned with a more shiny/brighter lead finish (see below). Customer is well aware that this is non RoHS version…
    • Resolved
    • Answered

  • UC1525A: MIL-STD-883: is this a lot test or a 100% screen or other?

    Resolved
    Part Number: UC1525A UC1525AJ and UC1525AJ883B are both listed as orderable part numbers in the same datasheet, however no additional information is provided. I'm assuming the "883B" suffix refers to MIL-STD-883, but that spec is 641 pages long with qty28…
    • Resolved
    • Answered

  • UC1525A: Sustitute for PSpice DLYLINE to use in TINA

    Resolved
    Part Number: UC1525A RE TINA TI, I have a PSpice model for the SG3525 that uses UDL1 DLYLINE DPWR DGND SET SETZ DLMOD IO_STD. I gather that this is peculiar to PSPICE. Is there an equivallent line in Spice (for Tina)?
    • Resolved

  • UC1525A: Not using SYNC

    TI Thinks Resolved
    Part Number: UC1525A Hi there, If I do not want to use SYNC input of UC1525A. Shall I leave it opened or shall I connect it to ground? Thank you
    • Answered

  • UC1525A: Dead time configuration

    Resolved
    Part Number: UC1525A Hi team, I wonder how to choose a specific Rd for a specific dead time? I only see in Figure.2 the relation between Rd and Charging time, how is the charging time related to the dead time? Thank you very much! George
    • Resolved

  • UC1525A: difference with UC1527A

    TI Thinks Resolved
    Part Number: UC1525A Other Parts Discussed in Thread: UC1527A , Hi team, I notice the difference between UC1525A and UC1527A is that in UC1527A the output stage uses a OR logic while in UC1525A it is NOR logic, which means the output of the two part…

  • RE: UC1525A: UC1525AJ Device Design Question Consultation

    Hey Gong, On all the schematics you have provided to me the error amplifier is not connected to the output of the full bridge which will cause issues at the output of the UC1525A. The output of the full bridge needs to be fed back to the UC1525A such…
    • Answered

  • UC1525A：Use UC1525A in the CCM Buck Converter, the high side driver is low power transformer, the low side drive is SR IC maybe.

    Resolved
    Part Number: UC1525A Hi TI Team I try to use UC1525A in the CCM Buck Converter, the high side driver is a low power transformer, the low side drive is SR IC maybe. The maximum Iout is 10A each channel. I don't know to make sure the low power transformer…
    • Resolved

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