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  • UC1825: Part marking help

    Resolved
    Part Number: UC1825 Please help translate the marking on the device 5962-87681022A (Unitrode UC1825) 1 st line = OA-S THA 2 nd line = 5962- (PN, no need to translate) 3 rd line = 8761022A (PN, no need to translate) 4 th line = UC1825AL/ (PN, no need to translate…
    • Resolved

  • RE: UC2856: LTSPICE model

    Hi, UC1825, https://www.ti.com/lit/zip/slum673 LM5030, https://www.ti.com/lit/zip/snvm017 LM25037, https://www.ti.com/lit/zip/snvmbl4

  • UC1825: Opel loop operation of UC1825

    Part Number: UC1825 Hi, I am currently using the UC1825 in open loop mode. And I see the following waveform in at the output of the error amplifier (where the output is expected to be DC). Is there a possible explanation for this operation Thanks
    • Answered

  • UC1825: Differences between UC2825 and UC3825

    Resolved
    Part Number: UC1825 Other Parts Discussed in Thread: UC2825 , UC3825 , Hey folks, Quick question, what are the main differences between the UC1825, UC2825, and UC3825. Is it just that the UC1825 is available under different "high reliability" options? Which…
    • Resolved
    • Answered

  • UC1825: Are there any failures that can cause PWM to continue when SS is active?

    Resolved
    Part Number: UC1825 Hello, I am trying to find out if there is any testing or failures of this device that would somehow cause the PWM outputs to remain active while soft start is pulled low. A customer is using SS tied to the NINV pin as an overvoltage…
    • Resolved
    • Answered

  • TPS7H5001-SP: Any ways to moitor a triangle wave?

    Resolved
    Part Number: TPS7H5001-SP Other Parts Discussed in Thread: UC1825-SP , UC1825 , Tool/software: Hi team, 1. Customer would like to monitor a triangle wave that can be monitored via RAMP-pin in case of UC1825-SP. Are there anyways to moitor it? They think…
    • Resolved

  • UC1825: INPUT POWER TO TANSFORMER

    TI Thinks Resolved
    Part Number: UC1825 Other Parts Discussed in Thread: UC3825 , TINA-TI How to input power to an ideal transformer since i need to control output voltage of a buck converter. i am using uc1825 for pwm generation. I am using transformer to step up down the…
    • Answered

  • UC1825: Help with Output signal

    Resolved
    Part Number: UC1825 Other Parts Discussed in Thread: UC1901 , Hello Sir, I am currently designing forward converter using UC1901(Isolated feedback generator IC) and UC1825 (PWM generator IC) in Conventional Voltage mode. UC1825 configuration is as shown…
    • Resolved

  • UC1825: ESD clamp

    TI Thinks Resolved
    Part Number: UC1825 Other Parts Discussed in Thread: UC1823 Hi E2E, Good day. Our customer is using the forward technique for off-line voltage mode application of UC1825. They would like to know if Ramp pin (Pin 7) have ESD clamp that would prevent the…
    • Answered

  • UC1825: Warning Message after running the TINA-TI Transient Reference Design

    Resolved
    Part Number: UC1825 Other Parts Discussed in Thread: TINA-TI Hi Team, A customer run the UC1825 TINA-TI Transient Reference Design, then a warning message below prompted. He have tried to download UC1825 TINA-TI Transient Spice Model. The UC1825 TINA-TI…
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