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  • UC1901-SP: Lifetest result - Vref, Vos, Ios and Ib parameter drift

    TI Thinks Resolved
    Part Number: UC1901-SP Hello, We are using the UC1901-SP component for a space program. We saw in 5962-89441SMD that Life test of 125°C / 1000h was performed on component but no drift is given for the following parameters : Vref, Vos, Ios and Ib. …
    • Answered

  • UC1901-SP: TID Report?

    Resolved
    Part Number: UC1901-SP Hi Team, Can you please check and advise with the request below: " I could not find radiation resistance information for the product "5962-8944101VCA", which is the code available for the product UC1901-SP. Can you provide…
    • Resolved
    • Answered

  • UC1901-SP: CC/CV Without Opto-coupler

    Resolved
    Part Number: UC1901-SP Other Parts Discussed in Thread: UC1843-SP , Hi, I am designing a DC-DC fly-back converter using UC1843-SP PWM controller for space application. The use of Opto-coupler is prohibited in my application hence feedback control is done with…
    • Resolved
    • Answered

  • UC1901-SP: UC1901: impulse transfo turn ratio

    Resolved
    Part Number: UC1901-SP Other Parts Discussed in Thread: UC1901 , UC1843 , Hello, I have a question regarding the turn ratio of the impulse transformer used in the following ref design : https://www.ti.com/lit/df/tidryc7/tidryc7.pdf?ts=1620324456848&ref_url…
    • Resolved

  • UC1901-SP: SEL info

    TI Thinks Resolved
    Part Number: UC1901-SP Other Parts Discussed in Thread: TIDA-070002 , UC1843A-SP , Team, My immediate need is to come up with an architecture for a HARD Isolated House-Keeping power supply (~50W). Similar to TIDA-070002 The PWM Controller’s (UC1843A-SP…
    • Answered

  • UC1834-SP: Leakage current of fault alert pin

    Resolved
    Part Number: UC1834-SP Other Parts Discussed in Thread: UC1901-SP , UC1834 Hi, The datasheet does not specify the leakage current of the open collector output. Can I get a rough estimate for the worst case value for the leakage current over temperature…
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    • Answered

  • UC1901-SP: UC1901-SP TID data

    Resolved
    Part Number: UC1901-SP Does TI carry TID data regarding the UC1901-SP?
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    • Answered

  • [FAQ] Looking for blank or dummy ceramic packages for mechanical samples. Are any available?

    Resolved
    Other Parts Discussed in Thread: MKT-WG16A-MS , MKT-WG10A-MS , SN0020HKH , SN0010HKU , SN00020FK Looking for mechanical package samples for trim and form setup Answer: For our Power Ceramic QMLV qualified portfolio of devices we do offer the following mechanical…
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    • Answered

  • RE: UC1843A-SP: Feedback and isolation

    Resolved
    Hey Needhu, Optocouplers are of course not desirable for space designs, and our suggestion would be to use the UC1901-SP for magnetic feedback. Thanks, Daniel

  • TIDA-070002: TIDA-070002

    TI Thinks Resolved
    Part Number: TIDA-070002 Other Parts Discussed in Thread: SM74611 , UC1901-SP Hello Daniel, Hope you are well. Given that the max output load current from the TIDA-070002 could be 10A, why did you choose a coupled inductor with a secondary winding rated…

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