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  • LM317A: ESR Range for LDO Output Stability

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    Part Number: LM317A Tool/software: I have a question regarding the ESR of the output capacitor for the LDO. My customer is considering LM317A. The datasheet mentions "An optional output capacitor can be added to improve transient response and can be…
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  • LM317A: Inquiry regarding thermal resistance difference between National Semi and TI part of LM317AMDT/NOPB

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    Part Number: LM317A Dear TI, I can see the difference in thermal resitance (Juction to case and Juction to ambient) between National semi and Texas Instruments of LM317AMDT/NOPB. As per National Semi datasheet the thermal resistance Juction to case…
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  • LM317A-337N-EVM: Formula VOUT+ = VREF (1 + R3/R1) + (IADJ × R3)

    Resolved
    Part Number: LM317A-337N-EVM Other Parts Discussed in Thread: LM317A , LM317-N Tool/software: Hello, Could you please help me for understand the use of the fromula VOUT+ = VREF (1 + R3/R1) + (IADJ × R3). Indeed this formula is not related with VIN…
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  • LM317A: CADJ Capacitor Value

    TI Thinks Resolved
    Part Number: LM317A Tool/software: Hi teams, I was wondering how to determine the value of CADJ. I have scrolled through the datasheet and it only mentioned that the CADJ should be 10uF. Is there any rule while determine the value for CADJ? Best…

  • LM317A: Wave soldering conditions

    TI Thinks Resolved
    Part Number: LM317A Tool/software: Hi Team, Could you tell me the wave soldering conditions of LM317AT/NOPB(TO-220)? If you have application note, please provide with it. Best Regards,

  • LM317A: Seeking Alternative to L200CV Linear Regulator

    Part Number: LM317A Tool/software: Hello TI Community, I am looking for an alternative to the L200CV linear voltage regulator from STMicroelectronics, which is now obsolete. Here are the specifications for my current project: Input Voltage: 15V…

  • LM317A: Mounting of TO-220

    TI Thinks Resolved
    Part Number: LM317A Tool/software: Hi Team, I'd like some advice on mounting this product. Generally, I think it would be mounted at side A(See attached) to the PCB's through-hole. However, the through-hole on the customer's PCB is large, so they…
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  • LM317A: Package dimensions and mounting conditions

    Resolved
    Part Number: LM317A Tool/software: Hi Team, I have a few questions about the TO-220 package. Please see attached. 1) 1, 2, 3 in red square are described as ranges, but also TYP word is described. Are these dimensions actually Min-Max and not TYP?…
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  • LM317A: Mounting condition and hand soldering of TO-220

    Part Number: LM317A Tool/software: Hi Team, I have a question about mounting a TO-220. In the E2E post below, I found that there is no problem with mounting on side B(See attached). https://e2e.ti.com/support/power-management-group/power-management…
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  • LM317A: Thermal Resistance: Large Difference between Theta_JB and Theta_JC (Bottom)

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    Part Number: LM317A Tool/software: I refer to the TO-252 package for LM317AMDTX. I am trying to understand what may be the reason(s) behind the large thermal resistance between the Theta_JC (Bottom) and Theta_JB values? Thank you https://www…
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