Filter by Reset

All
Forums (35)
  • Power management (33)
  • Amplifiers (1)
  • Simulation, hardware & system... (1)
  • View all
Technical Articles (0)
Wikis (0)
Files (0)
Groups (0)
FAQ
  • Show only FAQs
Reply
  • Resolved
  • TI thinks resolved
  • Answer suggested
  • Has replies by TI employees
  • Has replies
Creation Date
  • Any
  • Past Week
  • Past Month
  • Past 3 Months
  • Past 6 Months
  • Past Year
From
To


Search tips
Showing 35 results View by: Thread Post Sort by

  • RE: Slow start time of TPS54550

    Nishizawa-san, I have measured the EVM SS time. Enclosed please find the results with some analysis. TPS54550 Slow Start.pptx

  • Loop Response of TPS54550

    TI Thinks Resolved
    Other Parts Discussed in Thread: TPS54550 I have a question about TPS54550. Please tell us the data of loop response. ①Vin=12V Vout=6.0V Iout=4.7A Fsw=250kHz ②Vin=12V Vout=9.0V Iout=3.6A Fsw=250kHz Our customer tries to use Switcher Pro. But they…
    • Answered

  • TPS54550: High frequency noise observed at PH pin due to resistor at Boot pin

    Resolved
    Part Number: TPS54550 Why we have to keep resistor at series of capacitor at Boot pin? Because of that resistor, some high frequency noise observed at PH pin.
    • Resolved
    • Answered

  • RE: TPS54550: Please teach me about TPS54550.

    Resolved
    Since I could not find the previous data, let me recount as best I can from memory. As stated above, When TPS54550 starts into a pre-bias condition, the feed back voltage is higher then the SS voltage (the non inverting error amp input is the lower…

  • TPS54550 Disable low level input voltage test in datasheet.

    Other Parts Discussed in Thread: TPS54550 The stated max value for this test on page 5 of the datasheet is 0.5v. When I do this test I get about 0.8v. Can you tell me the proper way to perform this test to get a typical value? The data sheet says that…
    • Answered

  • About TPS54550

    Resolved
    Other Parts Discussed in Thread: TPS54550 Hello. My customer is currently in use TPS54550, I have gotten a question about this product . So , I have a question about TPS54550. ＜Question＞ Q1：Does this device will be able to use the Switching Frequency at…
    • Resolved
    • Answered

  • Could you tell me about TPS54550 ?

    Resolved
    Other Parts Discussed in Thread: TPS54550 Hello. My customer is currently in using TPS54550,now. I have gotten a question about this product . So , I have a question about TPS54550. ＜Question＞ For the following graph , what happens in the VIN = 4.5V…
    • Resolved

  • RE: TPS54550- Efficiency for 1V output is very low.

    Hi John, were you able to find the switcherpro image ? I have also tried to use Webench too, but the TPS54550 part is not supported, and the Spice model seems to be encrypted. Is there likely to be support for the TPS54550 in Webench ? Maybe I should…

  • TPS54550 SS/EN pin configuration

    Other Parts Discussed in Thread: TPS54550 Hi, In TPS54550, if am not using Soft start or enable function, can i left the pin floating. Want to confirm this. TIA

  • TPS54550- Could not understand efficiency in switcherpro

    Other Parts Discussed in Thread: TPS54550 Hi, Am using TPS54550. For Vin=5V(4.5to5.5) ; Vout=1V (50mV ripple) ; Freq-700KHz, am getting a max efficiency of just 81% at for 4.7uH (Tunable). Please help me in tuning the circuit to achieve a min of 85%…
1 2 3 4

Didn't find what you are looking for? Post a new question.