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  • LM26420-Q1: the calculation of the D1&D2 in LM26420-Q1 Detailed Design Procedure

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    Part Number: LM26420-Q1 Other Parts Discussed in Thread: LM26420 HI There is an example to calculatie the D1 and D2 in LM26420 datasheet, but i can not get the same result. would you mind to explain the detail calculation for me? TKS!!
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  • LM26420-Q1: Loop Response

    TI Thinks Resolved
    Part Number: LM26420-Q1 Other Parts Discussed in Thread: LM26420 HI Team, LM26420Q1XSQ/NOPB part for 3.3V (0.2A actual consumption) and 1.2V (0.45A actual consumption) generation on board. 1.2V Gain margin fails. Kindly share your feedback to improve…
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  • LM26420: Inductor type

    Resolved
    Part Number: LM26420 Hi At page 22, it is mentioned as below. . Ferrite based inductors are preferred to minimize core losses when operating with the frequencies used by the LM26420. This means the inductor is recommended the ferrite type. Is the metal…
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  • LM26420: Max output capacitor

    Resolved
    Part Number: LM26420 Hi Our customer ask us how much is the max output capacitor that you recommend. Most of case, the min output cap is calculated from the max ripple inductor current. On the other hands,the max value is depended on the loop characteristic…
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  • LM26420-Q1: LM26420-Q1

    Resolved
    Part Number: LM26420-Q1 Other Parts Discussed in Thread: LM26420 Quick power down controlled by EN ? We do need a forced dischage of the output capacitors. When changing EN from 1 to 0, will the bottom N-FET be activated in order to to quickly discarge the…
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  • WEBENCH® Tools/LM26420-Q1: WEBENCH Design can not be created with this device

    Resolved
    Part Number: LM26420-Q1 Other Parts Discussed in Thread: LM26420 , Tool/software: WEBENCH® Design Tools Hi, When i tried creating WEBENCH design the tool popped up with a message saying : Design can not be created with this device." I used this part…
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  • LM26420: PCB review

    TI Thinks Resolved
    Part Number: LM26420 Hi team, My customer is doing the PCB layout of LM26420. As the PCB size is limited, so there are some places that cannot follow our datasheet instruction. Do you have a contact window so I can send the PCB via email to someone to…

  • LM26420: Inquire smaller size part for Dual Chanel DC/DC

    TI Thinks Resolved
    Part Number: LM26420 Hi Sir, May I learn from you that do we have smaller size part can meet below requirement? Input Voltage: 2.5-5V Output Voltage: 1.8V/1.2V Current: at least 1A Package: WDFN Thank you for your kindly help. Edward
    • Answered

  • LM26420-Q1: Power Good output function during output overvoltage

    Resolved
    Part Number: LM26420-Q1 Hello, Figure 33 of datasheet (SNVSB35) shows Power Good Hysteresis Operation. In the text above referring to Figure 33 it says : "..., it is not pulled low until the output voltage exceeds +- 14% of the setpoint for a....".…
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  • LM26420: Soldering information

    TI Thinks Resolved
    Part Number: LM26420 Hi, We got a question from the customer about LM26420. Could you help us? [Question] There are two different soldering temperature information in datasheet. Which is the peak temperature of LM26420XSQ, 220deg C or 260deg C? Best Regards…

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