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LM317: LM317DCYR

Vishal Sharma
Prodigy 95 points
Part Number: LM317

Tool/software:

Hi 

Based on MPN LM317DCYR. Our Package is SOT-223 (DCY)

From given datasheet, Kindly refer the page no.5 (Figure 5-1, DCY package 4-Pin SOT-223 (Top View)) 

Then refer page no.35 - DCY(R-PDSO-G4)

In both pages, Pin number sequence 1,2,3,4 are not aligned with each other which means orientation is different in both pages for same package.

Also refer the below given image.

Kindly review and align both the pin numbering sequence for package drawing (page 35) as well as pin configuration and functions (page 5).

Awaiting your response.

Website: https://www.ti.com/product/LM317/part-details/LM317DCYR

Datasheet: https://www.ti.com/lit/ds/symlink/lm317.pdf?ts=1751379021183&ref_url=https%253A%252F%252Fwww.ti.com%252Fproduct%252Fko-kr%252FLM317%252Fpart-details%252FLM317DCYR%253Futm_source%253Dgoogle%2526utm_medium%253Dcpc%2526utm_campaign%253Dapp-null-null-OPN_EN-cpc-storeic-google-kr_kr_pur%2526utm_content%253DDevice%2526ds_k%253DLM317DCYR%2526DCM%253Dyes%2526gad_source%253D1%2526gad_campaignid%253D22524984210%2526gclid%253DEAIaIQobChMImrauneubjgMVp9sWBR2SYSaeEAAYASAAEgLXD_D_BwE%2526gclsrc%253Daw.ds

Regards

Vishal Sharma

Keysight Technologies

  • 0
    TI__Expert 4980 points

    Hi Vishal,

    Thank you for bringing this to our attention. The pin diagram on page 5 should be changed. The pin index and function table on page 5 remains correct. We will document the issue and look into all edits necessary.

    Layout examples (viewed from above) show the correct functions on the correct pins and agree with the mechanical package drawings on page 35, as seen below.

    Best,

    Gregory Thompson