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TPS7A83A: Difference between TPS7A83A and TPS7A8300

Intellectual 1855 points

Replies: 1

Views: 111

Part Number: TPS7A83A

Hello,

I want to use the TPS7A83A for new designs, but when I try to order samples it only shows TPS7A8300 parts (which appears to be a different LDO part number). Are they the same? What are the differences? Can I order the TPS7A83A?

http://www.ti.com/product/TPS7A83A/samplebuy

http://www.ti.com/product/TPS7A8300/samplebuy

Best,

Adam

  • Hi Adam,

    The difference is with respect to sequencing on the EN pin. The Non-A version has this in the datasheet:

    Meaning you can not have EN pulled up to another rail before VIN comes up. The A version removes this sequencing limitation ny adding the following circuit:

    I hope this answers your question.

    John Cummings 蔣康明
    Texas Instruments 德洲儀器
    Johncummings@ti.com

    Please click the "Resolved" link at the bottom of this post if I have answered your question.

    Thank you,

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