• 

  XY

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

  TPS7A49: Should we use VFB or VREF of TPS7A4901 to calculate Vout

  • Resolved

  Part Number: TPS7A49 Hi there, We use TPS7A4901DRBR to convert 5V-->3.3V , 5V-->2.5V, 5V-->1.8V
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  na na78

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

  TPS7A49: CNR and CFF selection

  • Resolved

  Part Number: TPS7A49 Hi Our customer wants to use CNR=CFF=100nF. According to datasheet, maximum
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  liang ren

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

  TPS7A49: the start up charge current of Cout？

  • Resolved

  Part Number: TPS7A49 Hi This LDO‘ internal current is 309mA， and if I place a 2200uf Cout
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  richard wiskin

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

  TPS7A49: Sense wire / connection

  TI Thinks Resolved

  Part Number: TPS7A49 Could you confirm the correct configuration with the sense line. It appears that the sense line should make contact with the regulated output at the point where the circuit being powered (power entry point) is located. Can you confirm...
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  Simon K

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

  RE: TPS7A49: Absoulte maximum ratings: OUT pin to IN pin voltage

  Hi Ryan Thank you for your answer. This clarifies my question. Best regards Simon
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  Penn Zhang

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

  TPS7A49: Test results is strange

  • Resolved

  Part Number: TPS7A49 Hi Sir, In my TPS7A4901 test, I got some strange results. As we all know, Load
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  Leo Chow

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

  TPS7A49: TPS7A49 current drift under high temp test

  TI Thinks Resolved

  Part Number: TPS7A49 Hi, i'm in midst of running some high temp test on TPS7A4901DGN with regulator step down from 12V to 9.3V. Recently we found thermal issue on this device, my initial suspect that this issue was caused by output current consumption...
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  Elder Costa17

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

  TPS7A49: VSON (DRB) bxl

  • Resolved

  Part Number: TPS7A49 The component page has only the HVSSOP (DGN) CAD (.bxl) file. Can you provide
• 

  Ryan Eslinger

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

  RE: TPS7A49: Use of TPS7A49 LDO in potted cabinet

  Hi Surya, Your layout is a good example of maximizing the GND copper local to the LDO. This will benefit your application since the primary heatsink for the LDO is the GND copper in the PCB. Below is our recommended land pattern which is appended to...
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  Ryan Eslinger

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

  RE: TPS7A49: Output voltage calculation

  Hi Sergey, Yes you can set R2 to either 5 k (your text) or 2.5 k (your calculation) and adjust R1 as required to still maintain a 18 V output. As you reduce R2 you will simply have additional current flowing through your resistor divider. Very Respectfully...

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