• LM3880-Q1: Minimum EN low time before normal power up timing sequence

  

  Gerald Horgan

  TI Thinks Resolved

  Part Number: LM3880-Q1 What is the minimum EN low time needed to ensure that the power up sequence is done with the proper timing? In other words, if I have a 10 ms sequence 1 device (timing designator AA) and EN is low for 30 ms to ensure a normal power…

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

• LM3880-Q1: maximum pull up resistor for LM3880-Q1

  

  YY

  Resolved

  Part Number: LM3880-Q1 Other Parts Discussed in Thread: LM3880 Hello team, My customer wants to decrease quiescent current at standby situation for LM3880-Q1. LM3880-Q1 output should be 'L' at standby. So, The current is needed not only LM3880…

  • Resolved

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

• LM3880-Q1: Logic Bearing Device?

  

  Go Bravos

  Resolved

  Part Number: LM3880-Q1 Team, Is the LM3880QMF-1AE/NOPB logic bearing? I believe the reason for this question is because if it is programmable then there is a supply chain risk that my customer needs to manage/mitigate. Thank you.

  • Resolved

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

• LM3880-Q1: LM3880QMFE-1AE/NOPB ESD Rating

  

  Ivan Feng1

  TI Thinks Resolved

  Part Number: LM3880-Q1 Hi Sirs, Sorry to bother you. Could you help provide LM3880QMFE-1AE/NOPB ESD CDM value for us ? Thanks!! ESD-HBM : ESD-MM : ESD-CDM : ESD Report or Evidence (Y/N) : Pass/Fail :

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

• LM3880-Q1: About the sequence of LM3880-Q1(Use LM3880-Q1 in cascade)

  

  Noritomo Harukawa

  Resolved

  Part Number: LM3880-Q1 Other Parts Discussed in Thread: LM3880 Q1. Customers use the LM3880-Q1 in cascade. *For the circuit configuration, refer to the attached file "circuit diagram". When EN changes like attached file, 1)LM3880-Q1 Sequence-…

  • Resolved

  • over 5 years ago
  • Power management
  • Power management forum
Answered

• LM3880-Q1: About the EN and power down sequence of LM3880-Q1

  

  Noritomo Harukawa

  Resolved

  Part Number: LM3880-Q1 Other Parts Discussed in Thread: LM3880 I would like to confirm the power down sequence of the LM3880-Q1. It is described on page 11(7.3.2 Incomplete Sequence Operation) of the LM3880-Q1 datasheet as follows. ------------------…

  • Resolved

  • over 5 years ago
  • Power management
  • Power management forum

• LM3880-Q1: LM3880-Q1 Cascading circuit

  

  Toshio Ushikubo

  TI Thinks Resolved

  Part Number: LM3880-Q1 Other Parts Discussed in Thread: LM3880 , Hello, Please answer following request from customer. Following Applications Journal Figure 4 explains the example of LM3880 cascading circuit. http://www.ti.com/lit/an/slyt598/slyt598…

  • over 5 years ago
  • Power management
  • Power management forum
Answered

• LM3880-Q1: recommended pad layout

  

  Ryuji

  Resolved

  Part Number: LM3880-Q1 Hello, Could you please let me know the recommended pad layout of LM3880-Q1? I got the bxl file and install the ultra librarian. Then open the file, there is no actual size information (mm, inch or etc..) I appreciate it if you share…

  • Resolved

  • over 5 years ago
  • Power management
  • Power management forum
Answered

• LM3880-Q1: 120ms period

  

  K.Hamamoto

  Resolved

  Part Number: LM3880-Q1 Hi On the datasheet, it is mentioned that there are 120ms period at incomplete power-down sequence. 1. What is happen if EN is asserted at that 120ms period? Do this device accept the EN assertion at that 120ms period? 2.If the…

  • Resolved

  • over 5 years ago
  • Power management
  • Power management forum
Answered

• LM3880-Q1: min pulse of EN

  

  K.Hamamoto

  Resolved

  Part Number: LM3880-Q1 Hi Is there any limitation of EN pulse width? The FLAG does not response if the small pulse of EN signal(High or Low) which is smaller than delay time is input. Regards, Koji Hamamoto

  • Resolved

  • over 5 years ago
  • Power management
  • Power management forum

Didn't find what you are looking for? Post a new question.