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Showing 38 results View by: Thread Post Sort by
    Answered
  • LM2990: Temp condition

    Oba
    Oba
    Resolved
    Part Number: LM2990 Hello, My customer is considering to use LM2990S-12/NOPB for replacement of other vendor's EOL device. LM2990 datasheet specifies it's outptu voltage as -12.6 ~ -11.40 with Iout=5m~1A and -40C~125C. But they want to use -12.6 ~-11…
    • Resolved
    • 8 months ago
    • Power management
    • Power management forum
  • LM2990: LM2990 for Automotive Grade

    Lawrence He
    Lawrence He
    Part Number: LM2990 Hi, Support Team about LM2990SX-12/NOPB, do we have same function for Automotive Grade parts? if any suggestion, Please advise me. Thanks, Best regards, Lawrence
    • over 2 years ago
    • Power management
    • Power management forum
  • LM2990: CS2441759: Part - ALDTR0009988241 > MPN # LM2990SX-5.0/NOPB

    Dipak Badgujar
    Dipak Badgujar
    TI Thinks Resolved
    Part Number: LM2990 Tool/software: Hello TI Team, With reference to the subject part number - ALDTR0009988241 > MPN # LM2990SX-5.0/NOPB We want to cut middle pin to use of this device, kindly confirm is there any risk due to cutting of middle pin…
    • over 2 years ago
    • Power management
    • Power management forum
  • LM2990: Impedance between Input and GND very low when assembled on board

    Hari Rathod
    Hari Rathod
    TI Thinks Resolved
    Part Number: LM2990 Tool/software: I have used two LM2990 ICs on my design to convert -24V to -12V and -5V. After assembly, upon impedance measurement on supply lines, I observed that the impedance between input (-24V) and GND terminal is 0.2 ohms. …
    • over 2 years ago
    • Power management
    • Power management forum
  • LM2990: Are there any higher grade versions of this part: AEC/military or any part that can do the same job in a higher grade

    Joswar Guerrero
    Joswar Guerrero
    TI Thinks Resolved
    Part Number: LM2990 Tool/software: Basically my question, I know sometimes the military version comes in a different name so is there a higher grade version of this part? This question was asked a year ago so i'm hoping the answer has changed.
    • over 1 year ago
    • Power management
    • Power management forum
  • LM2990: Package Type

    Brian Wang0928
    Brian Wang0928
    TI Thinks Resolved
    Part Number: LM2990 We're looking for p2p compatible with MC79M15BDTRKG. it looks there is no DPAK on LM2990. thanks. Package: DPAK Output Version: - 15V. Regards Brian
    • over 3 years ago
    • Power management
    • Power management forum
  • Answered
  • LM2990: Can I parallel up multiple devices to increase current capability?

    Adam Gilbert
    Adam Gilbert
    Resolved
    Part Number: LM2990 Other Parts Discussed in Thread: TPS7A33 Hello :) Would it be possible to parallel up two of these devices to increase the current rating? Thanks!
    • Resolved
    • over 3 years ago
    • Power management
    • Power management forum
  • LM2990: LM2990T-12: short circuit current and maximum output current

    Noriyuki Takahashi
    Noriyuki Takahashi
    TI Thinks Resolved
    Part Number: LM2990 Hi team, Customer observed that LM2990T-12's output voltage goes to 0V, when the output current goes to about 1A. They expected that the device can output 1.4A that is maximum output current. Do you think this is due to the…
    • over 3 years ago
    • Power management
    • Power management forum
  • LM2990: Power management forum

    ?? ??
    ?? ??
    TI Thinks Resolved
    Part Number: LM2990 【対象部品】: LM2990S-12 【回路構成】: LM2990S?12 ( DC-12V )と正電圧レギュレータ( DC + 12V )の出力側で        抵抗を介して正負レギュレータを並列で接続している回路 【質問内容】:上記接続の場合、 DC + 12V 電源出力側の出力立上りが早い場合、        抵抗を介して、 LM2990S?12 の出力端に正電圧が印可される状況となります。        1 この場合 LM2990S…
    • over 4 years ago
    • Power management
    • Power management forum
  • LM2990: DI water washing

    Dong Ba
    Dong Ba
    TI Thinks Resolved
    Part Number: LM2990 Hi Team, Please help check whether the parts below can do DI water washing or not. And could you also provide where to get the this information on public or internal link? LM2990T-12/NOPB LM2940CT-12/NOPB LM317HVT/NOPB TPS75901KC…
    • over 5 years ago
    • Power management
    • Power management forum
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