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Showing 41 results View by: Thread Post Sort by
  • RE: LP2980-N: LP2980-N fails in our design

    Aden Taylor
    Aden Taylor
    Hi Henrik, There are a couple potential fixes for this. It looks like the source of the BSS139 is not able to rise high enough to pass UVLO on the LP2980. To fix this, the gate needs to be biased higher to allow the source to rise enough to properly…
    • 4 months ago
    • Power management
    • Power management forum
  • LP2980-N: LP2980 - Which version is supplied ?

    C Allam
    C Allam
    TI Thinks Resolved
    Part Number: LP2980-N We have been using the LP2980IM533 for 15 years. However, it appears that the latest design revision has different output capacitor ESR requirements compared to the Legacy chip. The legacy chip ESR is 20m ohm to 20 ohm. The new…
    • 6 months ago
    • Power management
    • Power management forum
  • LP2980-N: LP2980IM5-5.0/NOPB defective.

    karl kvick
    karl kvick
    Part Number: LP2980-N Customer says part number LP2980IM5-5.0/NOPB is defective. Below is what they said. Digi-Key Part Number LP2980IM5-5.0/NOPBDKR-ND Internal Part Number 1100-10002674 Quantity Affected 500pcs Who should we contact for additional…
    • 1 month ago
    • Power management
    • Power management forum
  • LP2980-N: PT00096874-R (PO#1853061745) COD Issue/LP2980IM5-3.0/NOPB

    liang gavin
    liang gavin
    Part Number: LP2980-N US COD material (qty:11408pcs ) is currently failing our ICT testing, we would like to arrange a return for this batch and have it replaced with material with COD UK instead. TI has requested to fill in CPR form
    • 4 months ago
    • Power management
    • Power management forum
  • Answered
  • LP2980-N: LP2980IM5-3.3/NOPB Output Sawtooth Ripple Observed with 1uF Output Capacitance

    Sasikumar Marappan
    Sasikumar Marappan
    Resolved
    Part Number: LP2980-N We are using LP2980IM5-3.3/NOPB to generate 3.3 V supply for an encoder IC. Observation: With 1uF MLCC output capacitor, we observe 60mVpp ripple on LDO output Ripple has a sawtooth-like waveform Issue becomes more pronounced…
    • Resolved
    • 5 months ago
    • Power management
    • Power management forum
  • LP2980-N: technical analysis

    Selina Wang
    Selina Wang
    Part Number: LP2980-N Tool/software: Hi TI Team, Could you please confirm the LP2980AIM5-5.0/NOPB whether the method we used is correct or do they have any suggestions? The following information is for your reference. Product: 9021545, Defect…
    • over 1 year ago
    • Power management
    • Power management forum
  • LP2980-N: MPN#LP2980IM5-3.0/NOPB ICT test failed with 100%failure rate when use the CSO:RFB (new material):

    liang gavin
    liang gavin
    Part Number: LP2980-N Test Abnormal Phenomenon The current ICT test limits are defined based on KGB measured values. The KGB test value is 3.3V, and the upper and lower limits are set to ±5% (Jabil development team specification). During testing…
    • 2 months ago
    • Power management
    • Power management forum
  • LP2980-N: LP2980-N new chip start DC

    Yunjing Wang1
    Yunjing Wang1
    TI Thinks Resolved
    Part Number: LP2980-N Hi team, May I know how could customer identify LP2980-N old chip vs new chip? From which DC, the chip are new chip? Thank you! Best regards Yunjing
    • over 2 years ago
    • Power management
    • Power management forum
  • LP2980-N: In DATA sheet it is mentioned as legacy chip and new chip . Now we are facing some IC failure issues. Need to know how to identify legacy and new chip

    Manu   Mathew
    Manu Mathew
    Part Number: LP2980-N Asper data sheet there is difference in chip component mentioned as legacy chip and new chip and showing lot of difference in data sheet. Need to understand the lots sented to us is legacy chip or new chip.
    • 4 months ago
    • Power management
    • Power management forum
  • LP2980-N: Fail ICT Testing (Low limit voltage)

    Nurizza Ishak
    Nurizza Ishak
    Part Number: LP2980-N Tool/software: We are facing an issue with LP2980AIM5X-5.0/N0PB . Based on the shipping label, the component is from CSO: RFB (new chip) and is made with post-PCN material (PCN# 20230906001.1A). During ICT testing, we observed…
    • over 1 year ago
    • Power management
    • Power management forum
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