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  • UC1875-SP: UC1875-SP internal error amplifier phase and gain margin @ unitary gain

    Part Number: UC1875-SP Other Parts Discussed in Thread: UC1875 Hi, I'm using the UC1875 with the internal error amp configured as non inverting buffer (output pin directly connected to inverting input) The non inverting input is filtered with 470pF…

  • UC1875-SP: UC1875W-SP (5962-9455502VKA) PWM controller issues

    TI Thinks Resolved
    Part Number: UC1875-SP Hi, Some times ago we bought few UC1875W-SP (5962-9455502VKA) PWM controller. ATN Purchase Order ref.: 5021381/ pos. 001 PO placed by ATN through TI WEB SIDE TI Invoice number: 5851823042 TI Invoice date: February 17…

  • UC1875-SP: Peak Current mode

    Part Number: UC1875-SP Other Parts Discussed in Thread: TPS7H4011-SP , UC2846 , TPS7H5020-SP , UC1825B-SP , UC1875 Hi, Is the UC1875-SP capable of Peak Current Mode control? I ask because the RAMP pin is compared to the COMP signal, and the datasheet…

  • UC1875-SP: Kindly provide a model which support in LTSpice.

    TI Thinks Resolved
    Part Number: UC1875-SP Other Parts Discussed in Thread: UCC28950 Tool/software: I would like to get the model for either UC1875-SP or UCC28950 which is supported in LTspice

  • UC1875-SP: Calculation Reference Document

    TI Thinks Resolved
    Part Number: UC1875-SP Tool/software: Dear Team, We wish to use UC1875-SP in a Step up configuration. I was initially referring Ref this. I find the calculation side having several deviations from the solution to equations used in the respective reference…
    • Answered

  • UC1875-SP: Regarding the SS pin functionality

    Resolved
    Part Number: UC1875-SP Other Parts Discussed in Thread: UCC28950 Tool/software: Dear Team, Kindly clarify the below queries; I would like to know whether "if the capacitor placed at the SS pin discharge, whether the IC will be shutdown? We are…
    • Resolved
    • Answered

  • UC1875-SP: step-up/ step-down converter

    Resolved
    Part Number: UC1875-SP Other Parts Discussed in Thread: TPS7H6003-SP , UC1875 Greetings, Could a DC-DC phase-shift bull bridge topology controlled by the following component (UC1875-SP) be used for a step-up/ step-down converter? Input voltages: 50VDC…
    • Resolved
    • Answered

  • UC1875-SP: External Slope Compensation Using Discrete Components

    Resolved
    Part Number: UC1875-SP Other Parts Discussed in Thread: UC1843B-SP Hello, In my previous thread for the UC1875-SP ( https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/1292405/uc1875-sp-configuring-slope-and-ramp…
    • Resolved
    • Answered

  • UC1875-SP: Configuring Slope and Ramp pins for CMC with Slope Comp

    Resolved
    Part Number: UC1875-SP I am designing a PSFB converter using the UC1875-SP. I would like to configure it for peak current mode control with slope compensation. Note that I am using a 1:100 current sense transformer circuit at the input to sense the input…
    • Resolved
    • Answered

  • UC1875-SP: Single Event Effects Test Report

    Resolved
    Part Number: UC1875-SP Other Parts Discussed in Thread: UC1875 Dear All, do you have any Test Report about SEE effects on 5962-9455502VKA (UC1875W-SP)? Thanks in advance for your reply. Kind Regards. Stefano Scremin
    • Resolved

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