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  Kazuhiko Hirano

  • 1 month ago
  • Power management
  • Power management forum

  TPS7A85: BIAS

  • Resolved

  Part Number: TPS7A85 Hello, When using BIAS pin, decoupling a capacitor is required between BIAS
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  Jeff Xie

  • 3 months ago
  • Power management
  • Power management forum

  TPS7A85: Max voltage on EN pin

  • Resolved

  Part Number: TPS7A85 Hi team, See figure 1, the maximum value of Ven is VIN, is the VIN input
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  JCHK

  • 2 months ago
  • Power management
  • Power management forum

  RE: TPS7A85: enable operation if floated

  HI Minkyung, As long as EN is high, the device will be enabled. It can not be left floating as there is no pull-up or pull-down on this pin: It looks they have are driving this with EN_3.3V_CLK as shown above. As long as that is greater than 1...
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  Kazuhiko Hirano

  • 4 months ago
  • Power management
  • Power management forum

  TPS7A85: What R1 and R2 are recommended for Vout=0.82V

  • Resolved

  Part Number: TPS7A85 Hello, My customer would like to get Vout=0.82V. If R1=12.4Kohms
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  Chris kang

  • 3 months ago
  • Power management
  • Power management forum

  TPS7A85: It has voltage drop problem at some condition.

  Part Number: TPS7A85 HI TI team. I have problem using TPS7A85 below condition. Condition - input voltage : 5.8V - output voltage : 5V - soft start C value : 100nf. If i change the operating temperature rapidly(using freezer spray, -30...
• 

  sangeetha s1

  • 5 months ago
  • Power management
  • Power management forum

  TPS7A85: VBIAS supply threshold

  TI Thinks Resolved

  Part Number: TPS7A85 Hi Team, We are using the TPS7A8500 LDO in our application.Find the following requirements, 1. Vin : 2.2V & Vout: 1.9V , Iout : 2.6A 2.Vin : 1.4V & Vout: 1.1V,Iout : 3.7A We dont have 5V supply in our board,Shall...
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  JCHK

  • 5 months ago
  • Power management
  • Power management forum

  RE: TPS7A85: Shottky Diode for reverse current protection

  Hi Omer, No. The diode is only providing a path to discharge V OUT to V IN in the event that V IN is suddently shorted. Assuming you have a 47uF capacitor at C OUT and V OUT is 3.3V, then the amount of energy stored on the capacitor is 1/2CV^2. or...
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  JCHK

  • 6 months ago
  • Power management
  • Power management forum

  RE: TPS7A85: How to minimize the output ripple noise and improve PSRR

  Hi Muhsiu, At higher frequencies, C OUT and your layout have the largest effect. See the below from our LDO Basics PSRR video : Adding some 0.1uF and 0.01uF capacitors at the output might help. Also, the Sense pin (pin 2) can be connected closer...
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  Kazuhiko Hirano

  • 8 months ago
  • Power management
  • Power management forum

  TPS7A85: overvoltage/undervoltage protection function for Vin and Vout

  • Resolved

  Part Number: TPS7A85 Hello, My customer would like to use TPS7A8500ARGRR. They are asking
• 

  Binayak Shrestha88

  • 9 months ago
  • Power management
  • Power management forum

  TPS7A85: Use of feed forward capacitor (CFF)

  • Resolved

  Part Number: TPS7A85 Hi TI Team, I've kept the feed forward capacitor as unused (NU). All of our

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