• LM5008: Problem with high input voltage

  

  Veselin Dimitrov1

  TI Thinks Resolved

  Part Number: LM5008 Hello! I have an issue with LM5008MM/NOPB. My input voltage should be between 12 and 75VDC, and my output voltage is 10V. At lower input voltages everything is working fine. But when I increase the voltage above 50V, the IC is starting…

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

• LM5008: Thermal resistance of LM5008SD/NOPB (NGT package)

  

  PRAHLAD Supeda

  Part Number: LM5008 Customer is migrating to LM5008SDC/NOPB from LM5008SD/NOPB as per PCN PDN# 20190926002.3. However, thermal Information for only NGU package is available in datasheet and Thermal Information for NGT type is needed for comparison. Please…

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

• DRV8353R: Buck disable

  

  Brian Wang0928

  Part Number: DRV8353R Other Parts Discussed in Thread: LM5008 , LM5008A When VIN =12V(BUCK's bias power) and VM = VDRAIN = 0V, is the internal DC/DC (LM5008) able to be disable by RT/ST pin? and at the same time the gate drivers are shutdown, correct?…

  • 6 months ago
  • Motor drivers
  • Motor drivers forum

• LM5008: What happens to LM5008 device if one of the pins had been open from PCB ?

  

  Went Cao

  TI Thinks Resolved

  Part Number: LM5008 Dear all What happens to LM5008 device if one of the pins had been open from PCB ? As below is our sugessing , please help me to check " Potential Failure Phenomenon ", and redress them, Thanks a lot.

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

• LM5008: Efficiency problem

  

  user6241108

  Resolved

  Part Number: LM5008 Dear All I had find there is two efficiency on the LM5008 by different inductance, as below: 1. When the inductance is 320uH,the efficiency is 35% 2. When the inductance is 330uH,the efficiency is 60%. Why ? The output is 15mA…

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

• LM5008: Similar LDO Required

  

  Nesh Johny

  TI Thinks Resolved

  Part Number: LM5008 Other Parts Discussed in Thread: LM5163 , TL783 , TPS7A4001 Dear Sir, Could you please suggest any Linear Voltage Regulators with Max Input Voltage 100V and Output 12V /200mA or more output current. Operating Temperature is -40deg to…

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

• WEBENCH® Tools/LM5008: Difference in Theta_JA

  

  Cedrick

  TI Thinks Resolved

  Part Number: LM5008 Tool/software: WEBENCH® Design Tools Hi, Greetings. Our customer tried to design in Webench using the PN LM5008MM/NOPB. When they are reviewing the design detail they noticed that the Theta_JA for the IC has a different value than the…

  • over 4 years ago
  • Simulation, hardware & system design tools
  • Simulation, hardware & system design tools forum

• LM5008: The LM5008 Can't output

  

  Big Bill

  TI Thinks Resolved

  Part Number: LM5008 Other Parts Discussed in Thread: TPS7A4001 , Dear All: I use the LM5008 to design DC-DC Vin = 60---84V Vout= 12V ，when my system into the sleep mode， the system supply power come from the TPS7A4001，once the sleep mode shutdown, the…

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

• LM5008: BST pin is shorted with SW pin

  

  Went Cao

  TI Thinks Resolved

  Part Number: LM5008 Dear all If the BST pin is shorted with SW pin, what happens to the LM5008 device ? It will be burned ? Or only not output voltage ?

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

• LM5008: Minimum current load

  

  Mcupwr

  Resolved

  Part Number: LM5008 Which is the minimum current at which the LM5008 normally works (inductor is 33uH)? I'm asking because load in real project isn't whole time at the max. (0.01-5A)

  • Resolved

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

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