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Showing 630 results View by: Thread Post Sort by
  • LM3481-Q1: LM3481-Q1 ULVO pin Maximum Voltage issue

    xiaoming.tan
    xiaoming.tan
    TI Thinks Resolved
    Part Number: LM3481-Q1 Other Parts Discussed in Thread: LM3481 , Hi everyone: I have a question about LM3481-Q1 ULVO pin Maximum Voltage, in datasheet, the maximum value is 6V. But in “AN-2094 LM3481 SEPIC Evaluation Board”, when Vin = 25V, the voltage…
    • over 2 years ago
    • Power management
    • Power management forum
  • Answered
  • LM3481: LM3481 Flyback SCH Review

    Joyce Gao
    Joyce Gao
    Resolved
    Part Number: LM3481 Other Parts Discussed in Thread: UC2845 , , LM5155 Hi expert, Customer is designing a Flyback supply solution from UC2845 to LM3481. Now they would like us to help check. I've checked already and there's a connection fault with VDD…
    • Resolved
    • over 3 years ago
    • Power management
    • Power management forum
  • LM3481: Why output can not recover after OCP cleared?

    Zoe Yang
    Zoe Yang
    TI Thinks Resolved
    Part Number: LM3481 Tool/software: Hi team, My customer use LM3481 to power IGBT. Vin=24V from primary. Vout1=5V/GND---500mA Vout2=+15V/GND1 --200mA Vout3=-15V/GND1---200mA. Their test requirement is: Under full load situation, secondary side could…
    • over 1 year ago
    • Power management
    • Power management forum
  • LM3481: How to control Output Level

    Jaewook Lim
    Jaewook Lim
    Part Number: LM3481 We want to the following Specifications: Vin = 12V Vout = 24V, 2A V Output Control with PIO pins. The circuit diagram we currently use is as follows. PIO Control L(0V) = Vout 12V PIO Control H(3.3V) = Vout 24V We…
    • over 2 years ago
    • Power management
    • Power management forum
  • Answered
  • LM3481: Diode Burnout

    Noel Binny Abraham
    Noel Binny Abraham
    Resolved
    Part Number: LM3481 Hi team So i've been using the LM3481 for a sepic converter for a while and i have had problems with the board (Please refer to the previous thread: https://e2e.ti.com/support/power-management-group/power-management/f/power-management…
    • Resolved
    • over 2 years ago
    • Power management
    • Power management forum
  • LM3481: Performance Review

    Noel Binny Abraham
    Noel Binny Abraham
    Part Number: LM3481 Hi team. I've been working on the LM3481 SEPIC converter for a while now and it alwyas keeps on comin up with newer problems. Vin:18V to 30V Vout:24V/1A A coupled inductor design is being used and the DRQ125-220-R is being used as…
    • over 2 years ago
    • Power management
    • Power management forum
  • Answered
  • LM3481-Q1: Rsense value change question.

    CHO SR
    CHO SR
    Resolved
    Part Number: LM3481-Q1 Tool/software: Hi, We made WEBENCH with the specifications that customers want. 6138.WBDesign86.pdf The Rsense value is 2.46928 mOhm. 2.46928 mOhm is a custom specification, so I want to change it to a different value. …
    • Resolved
    • over 1 year ago
    • Power management
    • Power management forum
  • LM3481-Q1: pin flatness of the accessory power supply IC (lm3481) and the means used to ensure and monitor it.

    Sam Sun
    Sam Sun
    Part Number: LM3481-Q1 Other Parts Discussed in Thread: LM3481 Please assist in confirming with the original Ti factory the control standards for the pin flatness of the accessory power supply IC (lm3481) and the means used to ensure and monitor it. …
    • over 2 years ago
    • Power management
    • Power management forum
  • LM3481: Power solution problem in LM3481

    Zoe Yang
    Zoe Yang
    Part Number: LM3481 Dear team, The 12V voltage supplies power to VIN through 10Ω and the magnetic bead. When the 12V power supply jitter is negative, it is found that pin 10 does not become negative. Question 1: Is there a device similar to a clamp…
    • over 3 years ago
    • Power management
    • Power management forum
  • LM3481: For isolated LED driver application

    Jeff YANG
    Jeff YANG
    Part Number: LM3481 Other Parts Discussed in Thread: LM5155 Hi, Does LM3481 possible to using for below LED design? Seems it can't fix output current? DC-DC LED Constant Current Waterproof Isolated Power Supply 200W Specifications: Input Voltage…
    • over 2 years ago
    • Power management
    • Power management forum
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