Answered

• LM25019: LM25019 Stability Issues

  

  Shivam Chakraborty

  Resolved

  Part Number: LM25019 Other Parts Discussed in Thread: TLV9062 , UCC27712 Hi, I am using the LM25019 COT buck IC from TI to step down 36V (Vin nominal) to 12V. The input voltage range is from 32V (Vmin) to 40V (Vmax). Below is the attached schematic…

  • Resolved

  • 5 days ago
  • Power management
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• LM25019: LM25019SD/NOPB

  

  Ivy Li

  TI Thinks Resolved

  Part Number: LM25019 Other Parts Discussed in Thread: LM25017 Tool/software: Hello, everyone. My project uses LM25019SD/NOPB. The schematic diagram is as follows. In the case that there is no load power consumption at the back end after power-on (FB1…

  • over 1 year ago
  • Power management
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Answered

• LM25019: LM27762

  

  Ivy Li

  Resolved

  Part Number: LM25019 Other Parts Discussed in Thread: TPS61093 Tool/software: Hello all, Please recommend the power supply solutions with the following parameters. VIN=24V Iout_max=11mA The output needs to be a ±15V power supply after isolation…

  • Resolved

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

• LM25019: LM25019 under voltage hysteresis value

  

  user1312478

  Resolved

  Part Number: LM25019 hello, i have a question for the LM25019 under voltage hysteresis value, see below description that from datasheet chapter 7.3.9 (Undervoltage Detector) "UVLO hysteresis is accomplished with an internal 20-μA current source that…

  • Resolved

  • over 8 years ago
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• RE: LM25019: EMI / EMC filter for LM25019

  

  Timothy Hegarty

  Hello, Please forward the schematic for this design. There is no minimum load requirement for the LM25019. It is operating in FPWM (CCM) mode when configured as a Fly-Buck converter. Regards, Tim

  • over 8 years ago
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• LM25019: I want to use lm25019 ic in Flybuck topology with output of 5.2 volt at isolated side

  

  sourabh tokikar

  TI Thinks Resolved

  Part Number: LM25019 Other Parts Discussed in Thread: LM5017 Good morning I currently using the lm25019 ic for my project, but I read some article on Flybuck topology and read data on lm5017-19 ic. I simply used 1:1 coupled inductor instead of single…

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

• LM25019: Isolation rating of this spec

  

  Lauren Mayfield

  TI Thinks Resolved

  Part Number: LM25019 Other Parts Discussed in Thread: LM5019 , TIDA-010006 This spec falls under the isolated flybuck converters line but I don't see any information regarding the isolation specs on the datasheet. Is it rated for 1.5kVrms or 3kVrms isolation…

  • over 6 years ago
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• Lm25019

  

  sourabh tokikar

  TI Thinks Resolved

  Other Parts Discussed in Thread: LM25019 I am having a issue with the formula given in the datasheet of lm25019 like calculation of switching frequency, inductor selection formula. Can you help me with these problems. Regards Sourabh

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

• LM25019: Variation obseved in calculated and measured fsw

  

  Abhishek Borkar

  Resolved

  Part Number: LM25019 Following are the specifications used to design a 15.2V sensor power supply, Vin = 24V ± 4%, Vout = 15.2V ± 4%, Iout = 90mA, fsw = 800KHz Following are the component values used, RFB1 = 1K, RFB2 = 11.5K, RON = 180K, L = 470uH…

  • Resolved

  • over 7 years ago
  • Power management
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Answered

• LM25019: Which is used, Vcc or External bias

  

  Hirotsugu Kobayashi

  Resolved

  Part Number: LM25019 Hi, team. When VCC and external bias voltage is the same, which is used? Best Regards,

  • Resolved

  • over 8 years ago
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