Answered

• LM51581-Q1: LM51581-Q1 input current on BIAS pin

  

  Henrik Leegaard

  Resolved

  Part Number: LM51581-Q1 To whom it may concern For at power management circuit I use the LM51581-Q1 as boost conveter The input voltage to the circuit is 24 - 33V and the output voltage will default be 35V (can be adjusted to 50V) I will use an external…

  • Resolved

  • 3 months ago
  • Power management
  • Power management forum
Answered

• LM51581: Efficiency and Boost Operation

  

  Takashi Imai

  Resolved

  Part Number: LM51581 Hello, I have received the following question from the customer. I would appreciate your support in providing a response. 1. In a SPICE simulation, the conversion efficiency appears to be better than that of the LT8330. Is it…

  • Resolved

  • 25 days ago
  • Power management
  • Power management forum
Answered

• LM51581: Negative to positive dcdc converter

  

  Shunsuke Yamamoto

  Resolved

  Part Number: LM51581 Hi team, My customer has been looking for negative to positive dcdc converter, and I plan to promote LM51581 for the requirement below. Is LM51581 possible to cover it? Requirement Input voltage -48V Output voltage: 5V Maximum…

  • Resolved

  • 24 days ago
  • Power management
  • Power management forum
Answered

• LM51581: PCB Layout Example

  

  Alan Hoehn

  Resolved

  Part Number: LM51581 In Figure 12-1 of the LM51581 datasheet, there’s a note stating: “Do not connect input and output capacitor grounds underneath the device.” Does this mean that there should not be a continuous top-layer copper pour tying the input…

  • Resolved

  • 3 months ago
  • Power management
  • Power management forum

• LM51581: Unencrypted Model SS set to 0> won't switch

  

  ERIC FOLK

  TI Thinks Resolved

  Part Number: LM51581 Other Parts Discussed in Thread: LM5181 , LM5158 , PSPICE-FOR-TI All, my selected part in LM5181. Your drop down list does not have LM5158. The unencrypted model for LM5158 has SS=0 and Fast Hiccup=1. I can NOT get a model…

  • 10 days ago
  • Power management
  • Power management forum

• LM51581: Load/Line regulation of output voltage

  

  hiroshi.harano

  Part Number: LM51581 I want to estimate the load/line regulation characteristics for the LM51581 output voltage. The datasheet does not mention this.

  • 7 months ago
  • Power management
  • Power management forum

• LM51581: LM51581 Schematic Review

  

  Harry Ma

  Part Number: LM51581 Hi Team Can you help to review the schematic of LM51581? we recommend this device to customer for 12V-66V boost solution, and Iout=0.2A. BOOST电路.pdf

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

• LM51581: Inductor humming

  

  Ramachandra R

  Part Number: LM51581 Tool/software: I am using LM51581 for voltage boosting from 12V to 18Vout with 1A Iout. This boosting is done to drive two proportional valves of 68ohm each at 12kHz, the problem now i am facing is the inductor humming when the…

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

• LM51581: 12Vin/50Vout 0.5A Boost application

  

  Roger Lin

  Part Number: LM51581 Other Parts Discussed in Thread: LM5155 , Tool/software: Hi team, My customer is looking for Boost converter, and below is their spec Vin 12V; Vout 50V; Iout 0.5A I'm check with the Webench design, and it only recommends the…

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

• LM51581: vin 9v~60v, vout 38v/200mA or 20v/400mA

  

  Chen Alex1

  TI Thinks Resolved

  Part Number: LM51581 Other Parts Discussed in Thread: LM5158 , LM5176 Tool/software: hi sir old design use the TI MC33063AP new spec is vin 9v~60v, vout 38v/200mA or 20v/400mA LM51581 Is right solution>? or did you have any suggestion? than…

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

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