Answered

• LMZ31506: PWRGD not enabling LMZ31503/LMZ31506/TPS7A8801RTJ devices via INH/EN

  

  Shane Augustine

  Resolved

  Part Number: LMZ31506 We're using an LMZ31506RUQ to generate 1.0V from 5.0V - which it is doing - and then using the PWRGD output of that device to enable 2 LMZ31503RUQ's,1 LMZ31503RUQ, and 1 TPS7A8801RTJ. However, the outputs of these sequenced devices…

  • Resolved

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

• LMZ31503: Mosfet for inhibit pin

  

  KARTHIK KRISHNA JAYACHANDRAN

  Resolved

  Part Number: LMZ31503 Other Parts Discussed in Thread: UCD90320U , , CSD15380F3 Any recommended MOSFET for Inhibit pin for ON/OFF configuration ? LMZ31503 have to be interfaced with UCD90320u

  • Resolved

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

• LMZ31503: Example Board Layout for RUQ (R-PB1QFN-N47)

  

  Fedor Churdesov

  Resolved

  Part Number: LMZ31503 Hi TI I couldn't find information in pdf about "Example Board Layout" for LMZ31503 it is possible to get it Frederic

  • Resolved

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

• RE: LMZ31503: Power supply with linear transformer and LMZ31503

  

  Leonardo Maya

  Mm okay, and could LMZ31503 has a dinamic output after rectification? Like an input in the range of 5V and 14V, where any voltage input to the LMZ31503(5v to 14v) provides the same output ? It is possible to do that with LMZ31503?

  • over 8 years ago
  • Power management
  • Power management forum

• LMZ31503: MTBF data required

  

  Vishwajit Vivek

  TI Thinks Resolved

  Part Number: LMZ31503 Hi, I need MTBF data for this IC : LMZ31503RUQT but I am unable to find in this link : http://www.ti.com/quality/docs/estimator.tsp#resultstable

  • over 7 years ago
  • Power management
  • Power management forum

• LMZ31503: Circuit verification

  

  Vishwajit Vivek

  TI Thinks Resolved

  Part Number: LMZ31503 Hi, I am converting 5 volt input to 1 volt output using the "LMZ31503RUQT" regulator. Kindly verify my circuit connection & correct me if I have given wrong connectivity. I am having doubt about connecting INHIBIT pin so kindly…

  • over 7 years ago
  • Power management
  • Power management forum
Answered

• LMZ31503: PGND and AGND, SENSE signal

  

  Caleb Soileau

  Resolved

  Part Number: LMZ31503 LMZ31503 AGND and PGND states it should only be connected in one place, per the Layout recommendation image. What is the reasoning for this? Most power supplies do not require it, so thats more of a just curious question. For…

  • Resolved

  • over 7 years ago
  • Power management
  • Power management forum
Answered

• RE: LMZ31503: Switching Frequency

  

  Ryan Voogjarv

  Resolved

  Hi Bruce, In the LMZ31503 data sheet, Table 7 specifies the range of attainable output voltages associated with each switching frequency. To maximize efficiency, you would want to select the lowest switching frequency that can provide your desired…

  • over 7 years ago
  • Power management
  • Power management forum
Answered

• LMZ31503 Startup Problem

  

  James Fowkes

  Resolved

  Other Parts Discussed in Thread: LMZ31503 Hello, I have a design that uses an LMZ31503 to produce 5V from a 9V supply. Here's the schematic, it's pretty simple: I'm getting this from the 5V output: I have no load attached. Is this a protection…

  • Resolved

  • over 9 years ago
  • Power management
  • Power management forum
Answered

• RE: WEBENCH® Tools/LMZ31503: Problem while importing device to Eagle

  

  Flora Carreto

  Resolved

  Rinald, We are unable to reproduce the issue that you report. We tried the same Eagle version 7.7 and nothing wrong so far. Do you face the same export issues for any other WEBENCH model or for only LMZ31503? Can you please provide the test conditions…

  • over 8 years ago
  • Simulation, hardware & system design tools
  • Simulation, hardware & system design tools forum

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