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Showing 33 results View by: Thread Post Sort by
  • LMR61428: TI solution suggestion

    Jimmy Lai
    Jimmy Lai
    TI Thinks Resolved
    Part Number: LMR61428 Other Parts Discussed in Thread: TPS61046 , TLV61048 Dear Team, We have a requirement for the spec below, please help to look for the 2 suitable solution. Thanks Size: Must be minimized, MOSFET must be integrated inside the chip…
    • 3 months ago
    • Power management
    • Power management forum
  • LMR61428: Seeking assistance in picking the right part

    James Wood
    James Wood
    TI Thinks Resolved
    Part Number: LMR61428 I'm an old-school developer with mostly linear-regulator experience and am looking for tips on picking the right 'boost' switching regulator for a specific project. It needs to take +5V in, either from a wall-wart or a battery, and…
    • over 2 years ago
    • Power management
    • Power management forum
  • LM2623: LM2623

    Sambhav Deshmukh
    Sambhav Deshmukh
    TI Thinks Resolved
    Part Number: LM2623 Other Parts Discussed in Thread: LMR61428 Hello I want too use LMR61428 as an alternate for LM2623. I have found out that the only difference between these parts is the junction to ambient temperature for LM2623 is is 152.5C/W & for…
    • 4 months ago
    • Power management
    • Power management forum
  • LMR61428: 7 - 12Vin, 13.2Vout - What max current?

    T_DK
    T_DK
    TI Thinks Resolved
    Part Number: LMR61428 Other Parts Discussed in Thread: LMR62014 I have an operating issue that is not covered by the datasheet. I have a variable 7 to 12V in and needs 13.2V out. What current can I expect out? The LMR61428 should be rated for 2.8A, but…
    • over 4 years ago
    • Power management
    • Power management forum
  • RE: LMR61428: Lmr61428 boot strap issue

    Alan Martin
    Alan Martin
    Looks like your PCB will pass a DRC for netlist connectivity but attempting a SMPS design with a single sided approach is a challenge as you are finding. The ground paths from IC pins 1 and 5 to the input and output capacitors must have the highest priority…
    • over 6 years ago
    • Power management
    • Power management forum
  • Answered
  • LMR61428: In case of light load

    Hirotaka Matsumoto
    Hirotaka Matsumoto
    Resolved
    Part Number: LMR61428 Hi all Would you mind if we ask LMR61428? In case of light load, does LMR61428 operate PFM function? Is it possible to use as fixed PWM function? Kind regards, Hirotaka Matsumoto
    • Resolved
    • over 6 years ago
    • Power management
    • Power management forum
  • LMR61428 Startup Issue

    Soccer Wang
    Soccer Wang
    Other Parts Discussed in Thread: LMR61428 LMR61428 Schematic.pdf LMR61428 Startup Waveforms.zip As attached are the related layout and schematic. The input voltage range of LMR61428 is 3.5V to 6V, and the output voltage is set as 8V by the resistor…
    • over 7 years ago
    • Power management
    • Power management forum
  • Answered
  • LMR61428 - output capacitance

    Hirotaka Matsumoto
    Hirotaka Matsumoto
    Resolved
    Other Parts Discussed in Thread: LMR61428 Hi all Would you mind if we ask LMR61428? The datasheet shows the following; While tantalum chip capacitors are recommended for the input and output filter capacitors, ceramic caps can also be used. Is it possible…
    • Resolved
    • over 7 years ago
    • Power management
    • Power management forum
  • Answered
  • LMR61428 - Minimum on time or Minimum off time

    Hirotaka Matsumoto
    Hirotaka Matsumoto
    Resolved
    Other Parts Discussed in Thread: LMR61428 Hi all Would you mind if we ask LMR61428? Our customer's condioton is as follows; -Vin=3.5V -Vout=4.2V -Iout=1.2A Our customer would like to calculate Maximum Fsw. However we could not find Minimum on time or Minimum…
    • Resolved
    • over 7 years ago
    • Power management
    • Power management forum
  • Answered
  • My question is related to LMR61428 IC constant voltage output at low input voltage.

    chandra prakash arora
    chandra prakash arora
    Resolved
    Other Parts Discussed in Thread: LMR61428 , LMR61428XMMEVM Sir I purchased LMR61428 IC and LMR61428 Evaluation Module LMR61428XMMEVM , When I assembled the LMR61428 IC Circuit on PCB I am getting Vout ==3.3 times of Vinput. But in Evaluation module I am getting…
    • Resolved
    • over 7 years ago
    • Power management
    • Power management forum
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