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  • UC2827-1: UC2827-1 SPICE MODEL

    TI Thinks Resolved
    Part Number: UC2827-1 Other Parts Discussed in Thread: LM5041 , LM5041B , LM5041A Hi team, Please provide SPICE model for UC2827 to simulate in LTSpice or Simetrix.
    • Answered

  • UC2827-1: UC2827-1

    Resolved
    Part Number: UC2827-1 Hello Team I was testing UC2827-1 for a new design and noticed high frequency oscillation across Rt pin . Rt= 7.5k, Ct = 680pF fs = 152kHz and oscillation across Rt resistor - 424mV/12.8MHz. Also , there was some jitter present…
    • Resolved

  • UC2827-1: UC2871DW - Alternative Part

    TI Thinks Resolved
    Part Number: UC2827-1 Tool/software: Is there a direct alternative Device to this in the same SOIC 18 Pin package? cannot find one anywhere...
    • Answered

  • UC2827-1: Issue in the Ramp pin and Duty of buck get changed

    Resolved
    Part Number: UC2827-1 Tool/software: Hi team, In our sch we are using UC2827DW-1 PWM controller. We are facing some issue in the "RAMP" pin.We have seen that Ramp pin has a linearly increasing ramp signal, At the sudden the ramp get cutoff in the…
    • Resolved
    • Answered

  • UC2827-1: PWM Controller solution for current-fed push-pull topology

    Resolved
    Part Number: UC2827-1 Other Parts Discussed in Thread: LM5041 TI Experts, Does TI have PWM controller solution for current-fed push-pull DC/DC topology (see below) ? I understand PWM controller for this must support overlapping push-pull PWM …
    • Resolved

  • UC2827-1: OSC Frequecy Configuration deviation

    TI Thinks Resolved
    Part Number: UC2827-1 Dear TEAM we also observed an another deviation in UCC2827DW's oscillator frequency selection using RT and CT our configutarion in UC2827DW-1 was 750pF and 20.55K Ohm provides the calculated frequency is 50 KHz, where as the…

  • UC2827-1: Push Pull Frequency Jitter while change in load

    TI Thinks Resolved
    Part Number: UC2827-1 Hi everyone! We are using UC2827 - 1 (Current fed ) in our application. A cascaded Buck with Push Pull converter of 100w. The Sch below is just for understanding the topology The Converter was functioning Ok with a 250mOhm at rectifier…
    • Answered

  • UC2827-1： 25A Current Sense Resistor in UC2827-1

    Resolved
    Part Number: UC2827-1 Hi TI Team I'm designing a 25A input cascaded buck and push-pull converters. (CCM) I need the calculation of the current sense about the correct Current Sense Resistor. And, do you have the good type module Resistor to suggest…
    • Resolved

  • UC2827-1: Push/Pull Jitters as Wattage is increased.

    TI Thinks Resolved
    Part Number: UC2827-1 The SCR was 5.6 Ohm highlighted in red box. The functionality of our topology was working fine with 90W . The below image is give for the for Vgs of Push/Pull Mosfet and the Buck Current. Where the Pink - Vgs of the Push section…
    • Answered

  • UC2827-1: Push-Pull DRIVE Capability

    Resolved
    Part Number: UC2827-1 Hi, Have a good day! I would like to use MOSFET- IXFX210N30X3 as Push-Pull MOSFET. But Cgs of ths capacitor is 24.2nF& Total Qg=375nC. Can UC2827-1 drive this MOSFET.? Shall i use this part? Pls provide your comments…
    • Resolved

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