• LP2951-Q1: Question about LP2951-50QDRQ1

  

  Chase Jeong

  TI Thinks Resolved

  Part Number: LP2951-Q1 Tool/software: Dear TI experts, My customer have some questions about LP2951-50QDRQ1. Could you check these questions? 1. Is it necessary to connect FEEDBACK pin to Vtap for fixed output part? What would be happen if I do not…

  • 2 months ago
  • Power management
  • Power management forum
Answered

• LP2951-Q1: LP2951-Q1 correct drawing between DRB0008A and DRG0008B

  

  Kenneth Lee

  Resolved

  Part Number: LP2951-Q1 Tool/software: Hello Team, Datasheet has two different drawing (DRG0008 A / DRG0008 B ) with different thermal pad size. Could you please let me know what is correct one for LP2951-Q1? Thank you.

  • Resolved

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

• LP2951-Q1: DRG0008A or DRG0008B ?

  

  Joachim Hofstetter

  Resolved

  Part Number: LP2951-Q1 Tool/software: There are two Drawings in this LP2951-Q1 Datasheet with different Thermal pad sizes but there is no difference in ordering?. What is now used? Always the higher Revision? This is confusing...i dont want to use the…

  • Resolved

  • 5 months ago
  • Power management
  • Power management forum

• LP2951-Q1: Junction Temperature and Power Dissipation too high

  

  Bjarne Hösch

  TI Thinks Resolved

  Part Number: LP2951-Q1 Tool/software: Hi, in the Datasheet of the LP2951-33-Q1 the formula for power dissipation is PD = (VIN – VOUT) × IOUT and the Formula for the Junction Temperature is TJ = TA + (RθJA × PD). With VIN=17V, VOUT=5V, IOUT=80mA…

  • 2 months ago
  • Power management
  • Power management forum

• LP2951-Q1: Legacy Chip or New Chip

  

  Syed Ali Rizvi

  TI Thinks Resolved

  Part Number: LP2951-Q1 Tool/software: Hello, I am currently analyzing the LDO with part number LP2951-33QDRGR. In the datasheet, information regarding legacy chip and new chip is mentioned. I would like to know which chip data to consider for analysis…

  • 5 months ago
  • Power management
  • Power management forum

• LP2951-Q1: Need a Undecrypted Pspice model

  

  Ajay Chaurasiya

  TI Thinks Resolved

  Part Number: LP2951-Q1 Tool/software: Dear Sir, Please provide the link or pspice model for LP2951-33QDRGRQ1 in Unencrypted form. We faced issue with currently available model.

  • 8 months ago
  • Power management
  • Power management forum
Answered

• LP2951-Q1: I have a question regarding M3 suffix.

  

  Toshiyuki Sako

  Resolved

  Part Number: LP2951-Q1 Tool/software: This device is available with M3 and without M3, but the difference in front-end processes is not known. Are the legacy chips not made in RFAB?

  • Resolved

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

• LP2951-Q1: 50QDRGR

  

  Tomer Matsliah

  Resolved

  Part Number: LP2951-Q1 Other Parts Discussed in Thread: LP2951 , LP2951-N , Tool/software: How can I identify and differentiate between a new an old component of the LP2951? and is this component new (New Chip) or old (Legacy Chip) LP2951-50QDRGRQ1…

  • Resolved

  • 11 months ago
  • Power management
  • Power management forum

• LP2951-Q1: LP2591-50-Q1 part is different from LP2951-50-Q1?

  

  Vamsi Bankuru

  Part Number: LP2951-Q1 Other Parts Discussed in Thread: LP2951 Hi TI Team, Good morning. Can you please confirm if the manufacture part number LP2591-50-Q1 part is different from LP2951-50-Q1? Regards, Vamsi Bankuru

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

• LP2951-Q1: LP2951 output problem

  

  Yuhao Wang

  Part Number: LP2951-Q1 Other Parts Discussed in Thread: LP2951 Hello, Good day, Customer have a problem in LP2951, when they give a 5V on output they found there is a -5V on input. they want to know why could this happen.

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

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