Answered

• TPS7A83A: Dip in output voltage

  

  Nandini Muralidharan

  Resolved

  Part Number: TPS7A83A Other Parts Discussed in Thread: TPS7A47 Tool/software: Hi, We are using TPS7A8300ARGRR for generating 3.3V from 6.5V. (6.5V input is generated by LTM8023EV and 3.3V output feeds to LMK61A2-100M00SIAT) We see a dip in the output…

  • Resolved

  • 6 months ago
  • Power management
  • Power management forum

• TPS7A83A: power dissipation

  

  Nandini Muralidharan

  TI Thinks Resolved

  Part Number: TPS7A83A Tool/software: Hi, For TPS7A8300ARGRR, the power dissipation per formula 11 is as below. VIN 6.5V, Vout 3.3V, Iload 0.196A Normally for LDOs, Power dissipation is calculated as [(VIN-VOUT)*Iout + (VIN*Ground current)…

  • 11 months ago
  • Power management
  • Power management forum
Answered

• TPS7A83A: TPS7A83A

  

  Abhijit Khadilkar

  Resolved

  Part Number: TPS7A83A Hello Experts, TPS7A8301A, TPS7A8300A is 2A Iout LDO. Can you suggest a similar LDO with 3A or 4A Iout where the voltage can be adjusted in steps using pins (25mV, 50mV, 100mV, 200mV......). I plan to drive these voltage configuration…

  • Resolved

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

• TPS7A83A: Output cap selection

  

  Roy Chou1

  TI Thinks Resolved

  Part Number: TPS7A83A Tool/software: Hi Team, I see below comment in datasheet. And my question is that how to select the appropriate output cap to get proper system stability? As I know, LDO is one pole architecture. Does zero generating by output…

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

• TPS7A83A: PG pin

  

  Mia Ma

  TI Thinks Resolved

  Part Number: TPS7A83A Hi team, Could we left the PG pin floating if not use this function? Thanks Best regards Mia

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

• TPS7A83A: Power supply for BIAS

  

  Koji Ikeda

  Resolved

  Part Number: TPS7A83A Other Parts Discussed in Thread: TPS7A57 Hello support team, Customer ask BIAS power supply. Does BIAS power supply influence output noise? If yes, they need to use clean power supply like LDO or filtering. Do you have any data…

  • Resolved

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

• TPS7A83A: The difference between NFET LDO and PFET LDO

  

  Charlie Xiao

  Resolved

  Part Number: TPS7A83A Hi BU team, Fundamental Theory of PMOS Low-Dropout Voltage Regulators said that most LDOs are PFET structures. But why? As for me, NFET has lower ON resistance than PFET. So what scenarios are NFET LDO and PFET LDO used for…

  • Resolved

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

• TPS7A83A: VBIAS PSRR vs Frequency

  

  Tomasz Krupski

  Resolved

  Part Number: TPS7A83A Hi, is the "Figure 7-8 VBIAS PSRR vs Frequency" correct? When I compare it to " Figure 7-7 PSRR vs Frequency and COUT" the only difference is Cout (67uF vs. 22uF and 100uF). The frequency scale is the same. The PSRR on the Figure…

  • Resolved

  • over 3 years ago
  • Power management
  • Power management forum

• TPS7A83A: EN pin's input resistance and capacitance

  

  Kazuki Kuramochi

  TI Thinks Resolved

  Part Number: TPS7A83A Hello Expert, I have question for TPS7A83's EN pin specification. They plan to use this LDO for the EN line that is superimposed communication signal. Then, they worried about the communication waveform become dull by the EN pin…

  • over 3 years ago
  • Power management
  • Power management forum
Answered

• TPS7A83A: TPS7A83A - RGW thermal pad dimension missing.

  

  Kevin Den Toom

  Resolved

  Part Number: TPS7A83A Other Parts Discussed in Thread: TPS7A8300 , Team, TPS7A8300ARGW datasheet is missing the dimension for thermal pad, thus we are stuck at make the footprint. Thank you for your fast support. Kevin

  • Resolved

  • over 6 years ago
  • Power management
  • Power management forum

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