• LM2651: LM2651-3.3 stops switching and passing 5V to 3.3V rail

  

  Alexander Kondabarov

  TI Thinks Resolved

  Part Number: LM2651 I am facing the following problem: We have a legacy device where an LM2651-3.3 is used to power flash memory and the I/O rings for an FPGA, ADC, and bidirectional level shifters. The continuous power consumption is approximately…

  • 1 month ago
  • Power management
  • Power management forum

• LM2651: LM2651 sleep mode threshold issue

  

  Parisa Behnamfar

  Part Number: LM2651 Hello, We have a regulator designed with " LM2651MTC-3.3/NOPB" p art number and our characterization shows that the sleep mode current for this design is 250mA instead of 100mA. Input:5V, output: 3.3V Output capacitance: 150uF…

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

• LM2651: Need help decoding date / lot code

  

  Lindon Baker

  TI Thinks Resolved

  Part Number: LM2651 Tool/software: I'm investigating an unusual number of failed boards containing LM2651MTC-3.3 but I'm having trouble decoding the date code / lot code on the top mark. Top line: (National Semi Logo) 97AN6EU, or some end in DU…

  • 10 months ago
  • Power management
  • Power management forum

• LM2651: LM2651MTCX-ADJ/NOPB

  

  David Stenbro

  TI Thinks Resolved

  Part Number: LM2651 do you have an ANSYS model for LM2651MTCX-ADJ/NOPB?

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

• LM2651: LM2651MTCX-ADJ/NOPB

  

  David Stenbro

  TI Thinks Resolved

  Part Number: LM2651 Hi, We are having an outside vendor up-screen the part at -55 degrees C. This part is not rated to our test temperature of -55C. The process is they install the IC into a board using a TSSOP socket and check the output voltage at…

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

• LM2651: About LM2651MTC

  

  Yuta Arai

  TI Thinks Resolved

  Part Number: LM2651 Hello I have a question about LM2651MTC. About the LM2651 .xlsx I found the reverse current(min=-10.37A) to SW PIN when powering off LM2651MTC(Vin<4V) (Please refer to the attached excel file) It is over the Absolute Maximum Ratings…

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

• LM2651: When does it enter hysteretic mode?

  

  Austin Allen

  TI Thinks Resolved

  Part Number: LM2651 Other Parts Discussed in Thread: LMR12010 , Hello team, I have a question regarding the LM2651MTCX-ADJ/NOPB. It has a hysteretic mode at light loads that could be a problem for my problem, depending on the load at which it drops…

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

• LM2651: LM2651

  

  Mitch Tilbury

  Resolved

  Part Number: LM2651 Other Parts Discussed in Thread: LM2671 , Can the soft start input to the LM2651 be left floating as stated in the LM2671 datasheet? Couldn't find that in the LM2651 data.

  • Resolved

  • over 7 years ago
  • Power management
  • Power management forum

• LM2651-3.3EVAL: Altium Project Files

  

  Mike Timko

  TI Thinks Resolved

  Part Number: LM2651-3 Hi, Can I please get the Altium Project files for LM2651-3.3EVAL. I'm building a system with it, MSP432E401 and TSP23730. Thanks, Mike Timko

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

• LM2651: Sensitivity to input voltage changes

  

  Bart

  TI Thinks Resolved

  Part Number: LM2651 Team, can you help to verify below schematic? We are not satisfied with the sensitivity to input voltage changes (1-2 pcs out of 10000pcs in the field are getting damaged). input voltage: nominal 12VDC, max.: 13VDC…

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

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