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  Jonathan Geronga

  • 1 month ago
  • Power management
  • Power management forum

  TPS7A47: Design review request

  TI Thinks Resolved

  Part Number: TPS7A47 Hi Team, I am posting this on behalf of our customer. They are using TPS7A4701 in their new design and facing one issue. They use a Voltage divider 9.76K and 9.76K to the FB to set the output voltage to 2.8V. The output is 2.798 as...
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  Jonathan Geronga

  • 3 months ago
  • Power management
  • Power management forum

  TPS7A47: Maximum output capacitance allowable

  • Resolved

  Part Number: TPS7A47 Hi Team, Our customer has a 47uF directly on the output for stability
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  Vojtech Petrucha

  • 3 months ago
  • Power management
  • Power management forum

  TPS7A47: (very) low frequency noise - any data available?

  TI Thinks Resolved

  Part Number: TPS7A47 Hello, looking for a LDO for an application where the LF noise also matters (0.01-10 Hz) the graphs in datasheet are 10 Hz - 1 MHz and the charts suggest that it will be rather flat at low frequencies..? Please do you have any data...
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  Yusuke Mukuno

  • 2 months ago
  • Power management
  • Power management forum

  TPS7A47: Vdo vs PSRR

  Part Number: TPS7A47 Hi expert, My customer have a request. Could you please give me the Vdo vs PSRR data like figure16 at Vout=15V ? (TPS7A47) Also, in case of TPS7A3301, please give me same data at Vout=-15V ? I had understood that the...
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  Ian Wang

  • 5 months ago
  • Power management
  • Power management forum

  TPS7A47: Looking for high PSRR LDO

  TI Thinks Resolved

  Part Number: TPS7A47 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=1A PSRR: as high as possible...
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  Aaron Paxton

  • 4 months ago
  • Power management
  • Power management forum

  RE: LDO 35V 1A WITH ON OFF CONTROL

  Hello Steven, If you want to try an LDO in this configuration, try the TPS7A47. You'll still want to be mindful of dissipation like Stephen Z mentioned. ~ Aaron
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  JCHK

  • 6 months ago
  • Power management
  • Power management forum

  RE: TPS7A47: Low frequency noise

  HI Sato-san, Using a feedforward capacitor is a great way to help further reduce noise. This is discussed in our LDO Basics series . Also increasing the C NR capacitor can help but this increases the soft-start time. One advantage of the TPS7A47...
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  Stephen Ziel

  • 5 months ago
  • Power management
  • Power management forum

  RE: TPS7A47: Oscillation on the specific load

  Hi Ilya, What frequency is your switching converter operating at? Can you provide some oscilloscope plots of Vin and Vout? Does the oscillation or ringing go away if you include the 10uF input capacitor? Thanks, - Stephen
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  KKF

  • 9 months ago
  • Power management
  • Power management forum

  TPS7A47: Changing Vout on the fly

  • Resolved

  Part Number: TPS7A47 Hi LDO team, Can the voltage selector pins & Vout of the TPS7A4700RGWR
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  XY

  • 9 months ago
  • Power management
  • Power management forum

  TPS7A47: can it handle pulse load current?

  • Resolved

  Part Number: TPS7A47 Hi there, we are considering use TPS7a4701 as tracking LDO in this thread

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