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lm317
Related Posts

  • Forum Post: Question:About the thermal resistance of the DCY,KVU,D,PK.

    Toshiya Hiramatsu
    Hello! I have a question about the thermal resistance of the following package. Package is DCY(3pin),KVU(3pin),D(8pin),PK(3pin). Is there graph or data that looks like a following pdf(page 10,11)? http://www.onsemi.jp/pub_link/Collateral/LM2931-D.PDF I was not able to find it. If it exists,...
    on Oct 6, 2010

  • Forum Post: Question:What type of capacitor should be used with LM317L?

    Toshiya Hiramatsu
    Hi, I'm not sure what type of capacitor is used to stabilize output. LM317L's datasheet(page3) states that "All characteristics are measured with a 0.1uF capacitor across the input and a 1uF capacitor across the output." But it doesn't teach me what type of capacitor I should...
    on Apr 1, 2011

  • Forum Post: Re: Rrequired output is 5V,150mA

    stain b
    Thanks for a reply. But my problem is i am very comfortable with linear regulator's(i don't have any experience with inductor). Actually my input voltage is varied from 10v to 42v.If i use this two regulators LM317KC(TO-220) & UA7805(TO-220)(even efficiency is low ) can i get the...
    on Feb 10, 2012

  • Forum Post: TPS71530, LM317 I/O Capacitors

    Aamir Ali
    Hi ALL, In one of my application I need to generate 3.0V o/p. I found two regulators LM317 (which we used earlier) & TPS71530 (which I want to use). I have several questions regarding this: 1. In datasheet of LM317 , o/p cap of 1uF electrolytic is advisable & in TPS71530 its .47uF (or greater...
    on Mar 7, 2012

  • Forum Post: Rrequired output is 5V,150mA

    stain b
    HI, In my circuit , required output is 5V,150mA.My input voltage is 10v-42v. I plan to use LM317KC(TO-220) & UA7805(TO-220) . Can you please comment about this one or otherwise tell me some other suggestions. Thanks , B.stalin.
    on Feb 10, 2012

  • Forum Post: LM317 Maximum Output Current

    Tim Sobering
    A student came to me with a spec from the LM317 datasheet (SLVS044U) and I cannot answer his question. In the Electrical Characteristics table for Maximum Output Current, with Vi - Vo <= 40V, Pd < Pmax, and Tj = 25C, the typical output current is 0.4A. I'm confused as to this spec. Does the...
    on Aug 31, 2012

  • Forum Post: LM317 Operating On Dropout Voltage Threshold

    Kyle Kraning
    I am using an LM317AEMP to regulate 11-30V down to 8.5V. With my load I am seeing a 2V dropout voltage. Say the input voltage were to reduce down to 9.5V. Will the output simply lower to 7.5V and remain stable? Or will there be some negative side effect, i.e. excessive power consumption or instability...
    on Sep 6, 2012

  • Forum Post: LM317 Battery charger

    Yusiang Leong91190
    Based on figure 12 of the LM317 datasheet, it says that LM317 can be used as a battery charger (for what chemistry?). Can someone please elaborate on how this circuit works? Also, for the NPN current transistor, can i use a BC337 for current limiting? Thanks, Yusiang Leong
    on Nov 14, 2012

  • Forum Post: LM317 as current source & startup time.

    Paul-Arthur Munck
    Hello everyone, I'd like to use a LM317 as current source in a digital current loop ( 9600 bauds ). Does anyone know where I find some information of LM317's startup time ? thank you, PAM
    on Nov 23, 2012

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