Answered

• LM25117-Q1: The crossover frequency setting range

  

  Kai Lai

  Resolved

  Part Number: LM25117-Q1 Hi Team, My customer are designing LM25117-Q1 & LM25119-Q1, We want to know is there have any theory that we usually selected between one twentieth and one fifth of the Fsw ?? (Source from LM25117-Q1 datasheet page.23) Why is…

  • Resolved

  • 3 months ago
  • Power management
  • Power management forum
Answered

• LM25117-Q1: IC IBIS Model Data Request

  

  Kai Lai

  Resolved

  Part Number: LM25117-Q1 Hi Team, My customer are request the IBIS or IBIS AMI model for some parts, can you provide its ? Part number: LM25117QPSQ Thanks & regards, Kai

  • Resolved

  • 7 months ago
  • Power management
  • Power management forum
Answered

• LM25117-Q1: About Cout of LM25117-Q1

  

  Akihisa Tamazaki

  Resolved

  Part Number: LM25117-Q1 Other Parts Discussed in Thread: LM5117 Hello team, When the customer used Webench simulation, The result of Cout was 150uF which is hybrid electrolytic capacitor with maximum 12mΩ ESR and 2 x 47uF ceramic capasitors. However hybrid…

  • Resolved

  • over 1 year ago
  • Power management
  • Power management forum
Answered

• LM25117-Q1: LM25117-Q1 configuration of CM pin

  

  Akihisa Tamazaki

  Resolved

  Part Number: LM25117-Q1 Hello team, My customer is considering whether they use CM pin or not. Then the customer has a question. They would like to set float at CM pin when the current monitor function is not used. Is it OK or not? I believe that the float…

  • Resolved

  • over 1 year ago
  • Power management
  • Power management forum
Answered

• LM25117-5117QUICK-CALC: LM25117-Q1 Constant current regulator mode

  

  Akihisa Tamazaki

  Resolved

  Part Number: LM25117-5117QUICK-CALC Other Parts Discussed in Thread: LM25117-Q1 Hello team, My customer has a question about LM25117-Q1 Constant current regulator mode and referred Figure 35. Constant Current Regulator with Hiccup Mode Output OVP in the datasheet…

  • Resolved

  • over 1 year ago
  • Power management
  • Power management forum
Answered

• LM25117-Q1: LM25117 OVP setting for Constant current regulator

  

  Akihisa Tamazaki

  Resolved

  Part Number: LM25117-Q1 Hello team, The customer asked about OVP setting for Constant current regulator. The following schematics is in the datasheet, and "Hicupp Mode OVP Trriger at 13.4V" is written. How can we calculate 13.4V from Vout, 3.14kohms…

  • Resolved

  • over 1 year ago
  • Power management
  • Power management forum
Answered

• LM25117-Q1: Zeta Output Droop Under Load?

  

  Trey German8

  Resolved

  Part Number: LM25117-Q1 Other Parts Discussed in Thread: LM25117 , LM5116 Let me preface this with I'm more of an embedded systems guy then a power guy, but I know enough to be dangerous. I've implemented a synchronous Zeta converter using the LM25117…

  • Resolved

  • over 1 year ago
  • Power management
  • Power management forum
Answered

• WEBENCH® Tools/LM25117-Q1: To high Duty Cycle allowed in WEBENCH

  

  Kim Sivebaek1

  Resolved

  Part Number: LM25117-Q1 Tool/software: WEBENCH® Design Tools WEBENCH setup: LM25117QPMH/NOPB Switching Frequency: 225.616kHz Input: 5.3V to 38V Output: 5.05V@4.5A Duty Cycle: 97.12% at Vin = 5.3V According to datasheet the maximum Duty Cycle is 90% at the…

  • Resolved

  • over 1 year ago
  • Simulation, hardware & system design tools
  • Simulation, hardware & system design tools forum

• LM25117-Q1: Quiescent current variation with temperature

  

  Jignesh Patel45

  TI Thinks Resolved

  Part Number: LM25117-Q1 Other Parts Discussed in Thread: LM5141 , LM5145 Hi, LM25117-Q1 datasheet provides Ishutdown (VIN shutdown current) on junction temperature 25ºC (typical) and 125ºC (Maximum). Refer above snapshot. Request you to please…

  • over 2 years ago
  • Power management
  • Power management forum

• RE: LM25117-Q1: LM25117-Q1 digital controlling through PWM

  

  Bhargav jani

  hi David, I had a question, I have made a list of components that I will need for the power supply design with LM25117-Q1 and few other components in my design . Before proceeding for the actual PCB design with SMD components . I was thinking of using…

  • over 3 years ago
  • Power management
  • Power management forum

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