• LM25141-Q1: Dead time

  

  Colt Zhang

  TI Thinks Resolved

  Part Number: LM25141-Q1 hi team, What is the minimum deadband time in your manual? The manual gives only typical and maximum values. What does this deadband time look like with temperature? Is there a curve?

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

• LM25141-Q1: LM25141 phase margin test method on fix voltage

  

  Imelda Zhang

  Resolved

  Part Number: LM25141-Q1 Other Parts Discussed in Thread: LM25141 Here are too states of LM25141, fix and adjustable feedback. In fix mode, FB is connected to VDDA. If i want to test the phase margin on fix mode, should i add and adjust the resistance…

  • Resolved

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

• LM25141-Q1: LM25141-Q1

  

  Shreeharsha kandlaje

  TI Thinks Resolved

  Part Number: LM25141-Q1 Hello, i have a generic question: Do you have any guide for selecting the soft start time( or capacitor value) during the initial design of the power supply? i have generally selected this value with thumb rule. Do we have…

  • over 4 years ago
  • Power management
  • Power management forum

• LM74700-Q1: LM74700 combined with LM25141, LM74700 can not switch MOS normally when LM25141 is in DEMB mode

  

  cq ?

  Part Number: LM74700-Q1 Other Parts Discussed in Thread: LM25141 , Tool/software: When the LM25241 is adjusted to the DEMB mode, the LM25141 back-end idle, why the LM74700 can not switch MOS normally channel 1：ANODE channel 2：VCAP channel 1：ANODE…

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

• LM25141-Q1: LM25141 Feedback voltage

  

  Shreeharsha kandlaje

  TI Thinks Resolved

  Part Number: LM25141-Q1 Could you please confirm whether the below feedback voltage rating is considering all temperature and other boundary conditions?

  • over 4 years ago
  • Power management
  • Power management forum

• LM25141-Q1: LM25141 softstart query

  

  Shreeharsha kandlaje

  TI Thinks Resolved

  Part Number: LM25141-Q1 Other Parts Discussed in Thread: LM25141 Hello, could you please provide the tolerance range for the internal voltage reference(1.2V) mentioned in the datasheet of LM25141.

  • over 4 years ago
  • Power management
  • Power management forum
Answered

• LM25141-Q1: LM25141QURGERQ1 vs LM25141QRGERQ1 - what are the differences?

  

  PY (Pengyu) Song

  Resolved

  Part Number: LM25141-Q1 Hi team, LM25141Q U RGERQ1 vs LM25141QRGERQ1 - what are the differences?

  • Resolved

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

• LM25141-Q1: Efficiency curve for 12V input, 3.3V output, 440k at DEMB mode

  

  Scarlett Cao

  Part Number: LM25141-Q1 Other Parts Discussed in Thread: LM25141 , Hi team, Do we have efficiency curve for LM25141-Q1 operating in 440k, 12V->3.3V, DEMB mode? Customer is evaluating power consumption with all LM25141 load disabled and found the real…

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

• LM25141-Q1: life span estimation

  

  Elec Cheng

  Part Number: LM25141-Q1 Other Parts Discussed in Thread: LM25141 , LM5141 Hi Expert, Please help to estimate LM25141-Q1 life span with below working condition. The OEM requires 15years /300k km life span. Please help evaluate if we can meet this requirement…

  • over 4 years ago
  • Power management
  • Power management forum

• LM25141-Q1: Is there any EVM for LM25141-Q1 available

  

  Zirui Su

  TI Thinks Resolved

  Part Number: LM25141-Q1 Other Parts Discussed in Thread: LM5141-Q1 , , LM25141 , LM5141 Hi I would like to apply for EVM of LM25141-Q1, but only to find the EVM of LM5141-Q1. Could LM5141-Q1 EVM be the same function as LM25141-Q1 EVM or how to get the…

  • over 5 years ago
  • Power management
  • Power management forum

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