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Showing 97 results View by: Thread Post Sort by
  • UC3845: UC3845 Webench Current Sense Resistor

    Behtan Umut Mercan
    Behtan Umut Mercan
    TI Thinks Resolved
    Part Number: UC3845 Hello, I have designed a flyback circuit with the webench schematic. I have used UC3845 for the following configuration input 12-18 V. Output 48 V 1 A. I attached the pdf file below. Could you tell me how to calculate sense…
    • over 2 years ago
    • Power management
    • Power management forum
  • Answered
  • UC3845: UC3845 Webench Flyback Circuit Components

    Behtan Umut Mercan
    Behtan Umut Mercan
    Resolved
    Part Number: UC3845 Other Parts Discussed in Thread: TL431 Hello, I have designed a flyback circuit with the webench schematic. I have used UC3845 for the following configuration input 12-18 V. Output 48 V 1 A. I attached the pdf file below. Could…
    • Resolved
    • over 2 years ago
    • Power management
    • Power management forum
  • UC3845: About the UC3845 based isolated DC to DC design transformer details_12V-10A

    Dnyaneshwar  Kadam
    Dnyaneshwar Kadam
    TI Thinks Resolved
    Part Number: UC3845 Pls find the below link for recommended design for 12V-10A by TI Web power Designer https://webench.ti.com/appinfo/webench/scripts/SDP.cgi?ID=5740555433F637E3 In Above Design, Shown transformer(T1) design details we couldn’t…
    • over 2 years ago
    • Power management
    • Power management forum
  • UC3845: Higher Driver Strength Device Replacement

    Francis Jiang
    Francis Jiang
    TI Thinks Resolved
    Part Number: UC3845 Other Parts Discussed in Thread: UCC25800 Tool/software: Hi Team, Do we have other higher driver strength device like UC3845? Customer uses UC3845 driving isolation transformer to drive post-stage MOS, now the MOS is paralleled…
    • over 1 year ago
    • Power management
    • Power management forum
  • Answered
  • UC3845: Reference Design for non isolated buck converter

    lapa electric
    lapa electric
    Resolved
    Part Number: UC3845 Tool/software: Hi, I'm looking to design a DC/DC buck converter that takes 30V to 100vV input and steps it down to 12V, 12A output. Are there any reference designs or application notes I can leverage from? Regards, Logesh …
    • Resolved
    • 11 months ago
    • Power management
    • Power management forum
  • Answered
  • UC3845: Adjustable flyback converter output voltage

    Lucas Rosa
    Lucas Rosa
    Resolved
    Part Number: UC3845 Hello Team, I would like to inquire about the feasibility of developing a flyback converter with an adjustable output voltage using the UC3845 IC. Upon reviewing its datasheet, I noticed that the Error Amplifier voltage reference…
    • Resolved
    • over 1 year ago
    • Power management
    • Power management forum
  • Answered
  • UC3845: External compensation circuit

    Lucas Rosa
    Lucas Rosa
    Resolved
    Part Number: UC3845 Other Parts Discussed in Thread: TL431 , , OPA336 , OPA337 , LM5025 Hi Team, In my design, I need to develop a flyback converter with an adjustable output voltage using an analog signal provided by a DAC. In a previous question that…
    • Resolved
    • over 1 year ago
    • Power management
    • Power management forum
  • UC3845: UC3845

    DHIREN SAHOO
    DHIREN SAHOO
    TI Thinks Resolved
    Part Number: UC3845 Other Parts Discussed in Thread: UC3854 Hi I am using UC3845 IC for pwm generation for my forward converter. But it is genearting 4 KhZ frequency at Rt/CT pin no 4. but PWM is not generated at pin 6 of UC3854 . what is the reason…
    • over 3 years ago
    • Power management
    • Power management forum
  • UC3845: Only every second PVM-Signal works

    Marco Zatschker
    Marco Zatschker
    TI Thinks Resolved
    Other Parts Discussed in Thread: UC3845 Hello, I am using the UC3845 in a conventional flyback design. I use it in current sense Mode and the output signal is connected to an onsemi NCP81074 gate driver. Sadly only every second PWM signal comes through…
    • over 1 year ago
    • Power management
    • Power management forum
  • UC3845: UC3845

    Adarsh Kumar
    Adarsh Kumar
    TI Thinks Resolved
    Part Number: UC3845 How to fix the fluctuation in output voltage.
    • over 3 years ago
    • Power management
    • Power management forum
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