• TPS7A47-Q1: Voltage regulator damage on Vin=25V from battery source.

  

  Riya Gupta

  Part Number: TPS7A47-Q1 I am using the voltage regulator for 3.3V output. Below is the circuit I am using.Issue I am facing is that whenever I give Vin =25V from battery source.The regulator gets burnt.Due to this my MCU gets damaged aslo.Please suggest…

  • 6 months ago
  • Power management
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• TPS7A47: Low frequency noise

  

  Taketo Sato

  TI Thinks Resolved

  Part Number: TPS7A47 Other Parts Discussed in Thread: TL1963A , TPS7A45 Hello team, Some TI's LDO have NR pin to achieve low noise performance such as TPS7A47. However its noise reduction at low frequency area is a little weak. For example, LT1963A has…

  • 10 months ago
  • Power management
  • Power management forum

• TPS7A47: Looking for high PSRR LDO

  

  Ian Wang

  TI Thinks Resolved

  Part Number: TPS7A47 Other Parts Discussed in Thread: TPS7A91 Hi Sir, My customer looking for high PSRR LDO as below condition, would you pls help advise which one will be better? (I cannot get any solution is website selection.) Vin=3.9V Vout=1.05V Io…

  • 9 months ago
  • Power management
  • Power management forum

• TPS7A47: Oscillation on the specific load

  

  Ilya Dontsov

  Part Number: TPS7A47 Other Parts Discussed in Thread: LM5164 I'm testing a PSU that is a 42V to 19V buck converter (LM5164) and an LDO (TPS7A4700) to get a clean 18V. Everything is fine until the LDO sees a load of ~0.4A. With this load I see a strong…

  • 9 months ago
  • Power management
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• TPS7A47: TPS7A4701 output noise

  

  Rock Su

  TI Thinks Resolved

  Part Number: TPS7A47 Dear colleague, Our customer is using TPS7A4701, Vin=24V, Vout=18V, Load=0A. By AC coupling, test is as below. Blue is input, Yellow is output. Do we have some suggestions? Thanks a lot!

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

• TPS7A47: Changing Vout on the fly

  

  KKF

  Resolved

  Part Number: TPS7A47 Hi LDO team, Can the voltage selector pins & Vout of the TPS7A4700RGWR be changed dynamically? Or is the voltage set only at power up? Is there any danger using this chip like this? From the functional block diagram in the DS…

  • Resolved

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

• TPS7A47: Output Short Circuit

  

  user1117710

  Resolved

  Part Number: TPS7A47 Dear Team, When TPS7A47 output occures failure of SHORT mode for a long time , will it work thermal protection, prevent the occurrence of smoke or fire? Regards, Sada

  • Resolved

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

• TPS7A47: can it handle pulse load current?

  

  Rust2425

  Resolved

  Part Number: TPS7A47 Hi there, we are considering use TPS7a4701 as tracking LDO in this thread ( ), some questions to consult. Vin = 14.4V(battery) or 19V(adaptor), Vout = Vin-0.3V. Question1: For its current limit behavior : suppose during test we in…

  • Resolved

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

• TPS7A47-Q1: 10.5Vin/10Vout/1A output automotive application

  

  user4979989

  Resolved

  Part Number: TPS7A47-Q1 Other Parts Discussed in Thread: TPS7A47 Hi team, May I have your help to propose the LDO solution automotive solution to meet below requirements? Vin = 10.5V Vout = 10V Iout = 1A AEC-Q100 is needed Is TPS7A47-Q1 the best solution…

  • Resolved

  • over 1 year ago
  • Power management
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Answered

• TPS7A47: Vref accuracy of TPS7A4701

  

  Kuramochi Tadahiko

  Resolved

  Part Number: TPS7A47 Hi, Vref accuracy of TPS7A4701 is not specified on the datasheet. Is it ±1% as well as output voltage? If no, how much is it? Best Regards, Kuramochi

  • Resolved

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

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