Answered

• LM1117: Confirmation for ESR range recommendation

  

  Shinya Sawamoto

  Resolved

  Part Number: LM1117 Hi team, I'd like to confirm if the MLCC which has a ESR profile like below is acceptable for LM1117. We can find the recommended range of 0.3 to 22ohm in the datasheet. In this profile case, it has 0.8ohm of ESR at 100Hz, for example…

  • Resolved

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

• LM1117: LM1117IMPX-5.0/NOPB

  

  SHAWN FONG

  Part Number: LM1117 Dear experts, Is there a datasheet or PCN to show the change of die topology for LM1117IMPX-5.0/NOPB from 2019/20 - 2021? Our old record shows the part# LM1117 was marked on the die but newly received part# with DC:2110, COO: Malaysia…

  • over 4 years ago
  • Power management
  • Power management forum

• LM1117: Thermal Resistance Curves

  

  Harsh Songara

  TI Thinks Resolved

  Part Number: LM1117 Hello, I plan to use the LM1117-3.3V for my 3V3 Regulated output from a 5V input. The required current output is 0.8A (worst case scenario). I was looking at the thermal resistance curves and wanted to know by how much would the thermal…

  • over 4 years ago
  • Power management
  • Power management forum

• LM1117: is tantalum Cap on output is must?

  

  Jim Tsai

  TI Thinks Resolved

  Part Number: LM1117 Hi, My customer would like to check whether use 22uF MLCC CAP on output is acceptable? or Tantalum CAP is must?

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

• LM1117: Please provide a detailed review

  

  Aswin S Dharman

  TI Thinks Resolved

  Part Number: LM1117 Other Parts Discussed in Thread: TLV1117 , kindly review the power supply section

  • over 4 years ago
  • Power management
  • Power management forum
Answered

• LM1117: Input Capacitor Value and Type for 2 Regulators

  

  Deniel Go

  Resolved

  Part Number: LM1117 Hello, My current circuit has two voltage regulators: one fixed 5V and one fixed 3.3V as shown below in a block diagram Both inputs of the regulator are connected to the Battery via a Power MOSFET which is controlled by another…

  • Resolved

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

• TLV1117: The difference between TLV1117 and LM1117

  

  user6544449

  TI Thinks Resolved

  Part Number: TLV1117 Other Parts Discussed in Thread: LM1117 Hello Team, Could you tell me the difference between TLV1117 and LM1117? Thanks!

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

• LM1117: Output voltage ripple

  

  Gene Qiu

  Resolved

  Part Number: LM1117 Hi team, Here come across some LM1117 chips output voltage ripple too much case need your help to guide whether what is risk/potenial reason with below schematic or layout ? if moved the not working fine chip to other w/o LED board…

  • Resolved

  • over 4 years ago
  • Power management
  • Power management forum
Answered

• LM1117: LM1117 marking

  

  Vladimir Naumenkov

  Resolved

  Part Number: LM1117 Dear Sir, please report is this IC manufactured in TI? IC has marking: 7BACF6 LM1117 IDT-3.3 Please, see attach - "DA3" on the PCB TIA. Sincerely, Vladimir Naumenkov www.agat.by

  • Resolved

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

• LM1117: LM1117 with lower Vin will affect life time or not

  

  Kuan Wei Chen (Kevin Chen)

  Resolved

  Part Number: LM1117 Dear Team, Can we discuss more for below thread? http://e2e.ti.com/support/power-management/f/196/p/839255/3104241#3104241 I understand LM1117 output will not be 5V under such operation condition. Therefore, I want to know…

  • Resolved

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

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