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  Wilson Fwu

  • 1 month ago
  • Interface
  • Interface forum

  RE: Which TI IC is compatible with ADM7171ACPZ-R7

  Hi Alex, The most compatible solution we have at this time with ADM7171ACPZ-R7 is the TPS7A91. It is comparable in noise performance (lower than ADM7171) and is in a slightly smaller package size (2.5x2.5mm) regards, Wilson
• 

  FRANK1

  • 2 months ago
  • Power management
  • Power management forum

  TPS7A91: PG pin cascade to EN pin

  • Resolved

  Part Number: TPS7A91 Hi sir, Is it possible to use PG (5 pin) of two tps7a91 by cascading
• 

  Germain Hebert

  • 3 months ago
  • Power management
  • Power management forum

  RE: Constant current regulator with low drop-out

  Hi, I need current source of 300ma. I just tried with TPS7A91 in TI-TINA, took this one since there is a pspice unencrypted model and 1A is sufficcient. It didn't work. Is it the model that can't be used this way? Or my pin-out is incorrect...
• 

  Eddie Koh

  • 5 months ago
  • Power management
  • Power management forum

  TPS7A91: TPS7A9101: Output ripple 1.4KHz

  TI Thinks Resolved

  Part Number: TPS7A91 Customer observed 1.4KHz ripple at output. This was tested with clean input supply. TPS7A91 seems to be the one generating the 1.4KHz. They tried changing capacitor values: Pin 8 to Gnd: Tried 10nF & 10uF Pin 1 to Pin...
• 

  Takahiro Saito

  • 9 months ago
  • Power management
  • Power management forum

  TPS7A91: Relationship between noise performance and resistive network current (>5uA)

  • Resolved

  Part Number: TPS7A91 Hi team, Datasheet 8.1.1 says that the current through resistive network needs
• 

  GGA

  • 9 months ago
  • Power management
  • Power management forum

  TPS7A91: Eliminate dropout by bridging IN/OUT: allowed?

  • Resolved

  Part Number: TPS7A91 Hi, we need to vary PA output of a certain FEM. This chip is currently (its
• 

  Kazuhiko Hirano

  • 10 months ago
  • Power management
  • Power management forum

  TPS7A91: overvoltage/undervoltage protection function for Vin and Vout

  • Resolved

  Part Number: TPS7A91 Hello, My customer would like to use TPS7A9101DSKR. They are asking
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  Wilson Fwu

  • 1 month ago
  • Power management
  • Power management forum

  RE: LP38511-ADJ: Do we have LDO under Vin=3.3V, Vout= 3.1V/600mA working condition?

  Hi Jiayu, I would like to recommend our TPS7A91 which has dropout voltage max of 200mV at 1A. regards, Wilson
• 

  JCHK

  • 2 months ago
  • Power management
  • Power management forum

  RE: TPS7A47: Looking for high PSRR LDO

  Hi Ian, PSRR is a parameter measured over frequency and drop-out. For the conditions above one of our best LDOs for PSRR and low noise might be the TPS7A91 . Here is one of the many PSRR plots from the TPS7A91 datasheet: Do you think this can...
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  JCHK

  • 2 months ago
  • Power management
  • Power management forum

  RE: TPS746: Output capacitance

  Hi, Reducing C OUT could help to avoid any startup issues. It would be best if you could test this on an EVM to see if you can accept the startup profile. With respect to protecting against the reverse current, it really depends if you think that...

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