Answered

• LM2576HV: LM2576HV

  

  Rohit Gupta

  Resolved

  Part Number: LM2576HV Other Parts Discussed in Thread: LM2576 Tool/software: Subject: Issue with PSPICE Model for LM2576 Simulation Dear Team, I am currently using the PSPICE model for the LM2576 to simulate its behavior before designing the physical…

  • Resolved

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

• LM2576HV: Lead Frame Plating question about LM2576HV

  

  Gary Teng

  TI Thinks Resolved

  Part Number: LM2576HV Other Parts Discussed in Thread: LM2576 Tool/software: Hi Sir, My customer report their quality engineer check there's lead frame plating question at their new LM2576 (failed rate 4/50 when checking). Is this ok to use at their…

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

• LM2576HV: LM2576HVS- ADJ/NOPB and LM2576HVSX- ADJ/NOPB

  

  Suman Bhardwaj

  TI Thinks Resolved

  Part Number: LM2576HV Tool/software: We have purchased LM2576HVS in two different lots of 251 and 1000 pcs against the invoice no. 5930569273 & 5930569142 attached for your reference. There is component colour change after the reflow , photo attached…

  • over 1 year ago
  • Simulation, hardware & system design tools
  • Simulation, hardware & system design tools forum

• LM2576HV: Please review the schematic and have some questions

  

  Chase Jeong

  TI Thinks Resolved

  Part Number: LM2576HV Tool/software: Dear TI experts, My customer made their schematic using LM2576HVS-ADJ. Could you review this schematic? Input : 28V Output : 12V, max 1.5A And here are 2 questions about the schematic. 1. Is it okay to…

  • 7 months ago
  • Power management
  • Power management forum

• LM2576HV: Negative output Excel sheet calc

  

  Naji Eid

  TI Thinks Resolved

  Part Number: LM2576HV Tool/software: Hi can you provide a calculator for LM2576HV negative output in Excel sheet format? I appreciate your reply Best Regards Naji

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

• LM2576HV: How to get or convert to +12V from -48V telecom power supply rail

  

  MOHAMMAD NAZMUL HASAN PIAS

  TI Thinks Resolved

  Part Number: LM2576HV Tool/software: I want to convert the -48V from rectifier output of telecom equipment to +12V DC. I'm considering the following schematic for that purpose: The rectifier controller has -48V DC and +VE DC bus bar, the…

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

• LM2576HV: Question about LM2576HV

  

  Jimmy Huang

  TI Thinks Resolved

  Part Number: LM2576HV Hello: I have a question about LM2576HVS-ADJ, 48V input and 24V output. If the output 24V is short circuited, can the chip protect itself？Thanks！！！

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

• LM2576HV: LM2576HVSX-5.0/NOPB Performance problem

  

  yingjiao LI

  Part Number: LM2576HV Hi We reflow welded this product at a temperature of 230°-240°, but the product did not turn yellow after furnace. Could you please help us confirm the cause Thank you.

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

• LM2576HV: 24V Webench Design

  

  Jejomar Ildefonso

  Resolved

  Part Number: LM2576HV Other Parts Discussed in Thread: LM2576 Hi Team, Our customer is currently working with LM2576HV and he used this design generated from Webench: https://webench.ti.com/appinfo/webench/scripts/SDP.cgi?ID=5678F641D6A8FF3D Customer…

  • Resolved

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

• LM2576HV: Damaged IC's coming back from the field

  

  Michael Browning

  Part Number: LM2576HV Other Parts Discussed in Thread: LM2576 In the past 4 weeks, we have had about 20 boards come back with the LM2576HVS-ADJ IC blown as seen in the photos above. This is a part and schematic that we have been using for the past 10…

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

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