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  • LM2623: LM263

    TI Thinks Resolved
    Part Number: LM2623 Other Parts Discussed in Thread: TPS61288 I required 12V/2.2A Output from 5V input what can i need changes in Schematic

  • LM2623-Q1: LM2623-Q1 Switching frequency

    Part Number: LM2623-Q1 Other Parts Discussed in Thread: TPS61089 , LMR62014 , TPS61170 Hi, I am currently using the LM2623-Q1 in one of my design with the following requirements: - Vin [6;8.4V] - Vout 12V - Load: <= 0.4A I followed the reference design…

  • LM2623: VDD max voltage

    TI Thinks Resolved
    Part Number: LM2623 Other Parts Discussed in Thread: TPS61022 Hi, In the datasheet mentioned that the maximum voltage for VDD is 5V and the absolute maximum rating is 10V. i would like to ask how much is it problematic to push the VDD voltage of 5.5V…

  • LM2623: 5V to 12V design difficulties

    Part Number: LM2623 Other Parts Discussed in Thread: LM2735 Hi TI I am having trouble using the LM2623A to step up from 5V (USB) to 12V with output current up to 500mA. The issues I am having are: 1) Large input current ripple causing big voltage ripple…
    • Answered

  • LM2623: Controller selection help

    Resolved
    Part Number: LM2623 Other Parts Discussed in Thread: LM2621 , LMR61428 Hello, I was hoping I could get some help choosing the right TI part. I need a boost converter for a 2cell AA battery application. Vin min = 1.8 Vin max = 3.1 Vout = 8V Iout max …
    • Resolved

  • LM2623: Capacitor questions

    TI Thinks Resolved
    Part Number: LM2623 To whom it may concern, I am working with the LM2623 for my current design. I am wondering what parameters for capacitor C1 and C2 are suggested for operation? Also, is it recommended that a tantalum capacitor be used or a ceramic…
    • Answered

  • LM2623: Selecting initial C3 value to set duty cycle

    Resolved
    Part Number: LM2623 I am designing with the LM2623A controller. Vin min = 1.8V Vin max = 4.5V Vout = 9.5V Iout = 0.2 A In the datasheet, it says selecting C3 is a "trial and error" process. But I was hoping to get some guidance as to what value I should…
    • Resolved

  • LM2623: Layout and pad distance and width.

    TI Thinks Resolved
    Part Number: LM2623 To whom it may concern. I have a few questions regarding the LM2623. First, I am wondering what the difference between LM2623MM/NOPB and a regular LM2623. What is the difference. Also, I have routed my PCB with a clearance of 10mil…

  • LM2623: LM2623 EVM doesn't work

    Part Number: LM2623 I run test on LM2623 EVM. With empty load, apply 3.3V/300mA to the input. But the EVM sinks all the current and pull the input voltage to ~0V. Any suggestion?
    • Answered

  • LM2623: /LM51501-Q1 - Boost 1.8-3.1 V to 6V 400mA

    Resolved
    Part Number: LM2623 Other Parts Discussed in Thread: LM51501-Q1 , , TPS61023 , LMR61428 Hello, I have a very similar query to an old post which is linked here . My requirements are for a boost converter that provides up to 400mA at 6V. The minimum input voltage…
    • Resolved

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