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Showing 24 results View by: Thread Post Sort by
    Answered
  • RE: UCC2813-3: Oscillator and switching frequency

    Bernard Keogh
    Bernard Keogh
    Resolved
    Zhou, For the UCC2813-0, UCC2813-2 & UCC2813-3, Dmax = 100%, for these versions OUT pin Fsw= Fosc. For the UCC2813-1, UCC2813-4 & UCC2813-5, Dmax = 50%, implemented using an internal toggle flip-flop. So for these versions, Fsw = 0.5 * Fosc.…
    • over 4 years ago
    • Power management
    • Power management forum
  • UCC2813-5 schemetic review

    pil joo huh
    pil joo huh
    Other Parts Discussed in Thread: UCC2813-5 , TEST , TLV431 , UCC2813-1 , UCC2813-4 Dear all I will develop the product using UCC2813-5. (Input : AC 50V or DC 50V +/- 30% OutPut : 5V / 12A (60W) A circuit diagram based on the circuit proposed by TI Webench has…
    • over 4 years ago
    • Power management
    • Power management forum
  • RE: UCC2813-0: Webench design transformer spice model

    David R Baum2
    David R Baum2
    I just got back in to see if there were any comments added and noticed that schematic I cut and pasted is not showing up. I'm trying again by converting the Webench output to a Word document. WEBENCH ® Design Report Design : 14 UCC2813DTR-…
    • over 1 year ago
    • Power management
    • Power management forum
  • Answered
  • IC number prefixes UCC UC TL SG meaning?

    Ras Sharif50
    Ras Sharif50
    Resolved
    Other Parts Discussed in Thread: SG2524 , UC28025 , UCC28950 , UCC2895 Dear All, I have two questions about IC numbers: 1) what is the meaning of prefixes, ie UCC, UC, SG, TL? ( for example SG2524 or UCC2813 ) 2) what is the meaning of digits after prefixes…
    • Resolved
    • over 3 years ago
    • Power management
    • Power management forum
  • Answered
  • Multi output Flayback design

    PAN-M
    PAN-M
    Resolved
    Other Parts Discussed in Thread: UCC28911 , UCC28740 , LM5023 , UCC2813-2 , UCC2813-0 , UC3842 , UCC2800 , UCC2802 , UCC28C42 , UCC28C43 Dear all. I think about the multi-output by flayback. (DC3.3V/450mA, DC15V/10mA, DC-15V/10mA, DC24V/30mA) Our customer made the…
    • Resolved
    • over 4 years ago
    • Power management
    • Power management forum
  • RE: UCC28740: High Vout design check

    Ulrich Goerke
    Ulrich Goerke
    Hello Edward, Based on this rather limited set of requirements, the tentative answer is YES. Can you please clarify if the input voltage Vin is AC or DC? If it is DC, then yes the UCC28740 can readily support that spec since the HV input is rated…
    • over 3 years ago
    • Power management
    • Power management forum
  • Answered
  • RE: Isolated DC-DC Converter for automotive

    Alexander Scheuermann
    Alexander Scheuermann
    Resolved
    Yaita, Here are some part numbers that appeared when I searched for your requirements. I recommend starting to look at UCC28600-Q1. Part Number TL2843B-Q1 UC2825A-Q1 UC2856-Q1 UC2856Q UCC25706-Q1 UCC2813-0-Q1 UCC2813-1-Q1 UCC2813-2…
    • over 8 years ago
    • Automotive (Read-Only)
    • Automotive Forum (Read-Only)
  • Multi output flyback Powersupply -control loop

    bupathi
    bupathi
    TI Thinks Resolved
    Other Parts Discussed in Thread: UCC2813-1 Hi, I have designed Multi-output flyback power supply by using UCC2813-1 PWM IC, Input and output specifications are as follows Vinput- 16V-40V Vout-5V@5A,+15V@0.75A,-15V@0.75A Switching frequency -200kHz The converter…
    • over 7 years ago
    • Power management
    • Power management forum
  • Answered
  • RE: Low Input Voltage, Isolated DC to DC solution

    Ulrich Goerke
    Ulrich Goerke
    Resolved
    Hello Atul, The question of what is the "best" solution depends on your specific goals. Most often, "best" translates into simplest or cheapest. I suggest that you investigate using one of the UCC2813-x family of low-cost PWM controllers, specifically…
    • over 5 years ago
    • Power management
    • Power management forum
  • Answered
  • RE: UCC2813 - start or stop the PWM controller in response to input voltage.

    Ulrich Goerke
    Ulrich Goerke
    Resolved
    Hello Matsumoto-san, I'm sorry for the delay in our reply. Mike has been out of the office due to the holidays. In the UCC2813-x datasheet, page 17, Figure 25 shows the resistance ratio to be 0.65R to 1R, top to bottom. The actual values are…
    • over 5 years ago
    • Power management
    • Power management forum
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