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Showing 14 results View by: Thread Post Sort by
    Answered
  • LP38852: Heat Loss of LP38852MRX-ADJ/NOPB

    R.Fukunaga
    R.Fukunaga
    Resolved
    Part Number: LP38852 Tool/software: Hi all, In order to increase the output voltage of this device, my customer decided to remove the voltage drop diode (Di) on the input side. We tested temperature rise evaluation (contact type) with and without…
    • Resolved
    • 4 months ago
    • Power management
    • Power management forum
  • Answered
  • LP38852: About stability

    Yuto Sakai
    Yuto Sakai
    Resolved
    Part Number: LP38852 Hi, When LP38852 rises, it oscillates for 30 to 80ms. (Vout = 1.2V, Iout = 1A, Cout = 10μF (GRM188B30J106) The feedback resistors and feedforward capacitors use constants as shown in Table1 in the datasheet. A filter (1.0μF, NFM18PS105…
    • Resolved
    • over 6 years ago
    • Power management
    • Power management forum
  • Answered
  • LP38851, LP38852 / themal shutdown tempreture

    ACGUY
    ACGUY
    Resolved
    Other Parts Discussed in Thread: LP38851 , LP38852 Hi all, Would you mind if we ask about LP38851 and LP38852? <Question> How much is the MAX and Min value of thermal shutdown temperature? We understand the datasheet shows(defines) only typical…
    • Resolved
    • over 10 years ago
    • Power management
    • Power management forum
  • Answered
  • LP38852 / Phase margin

    S.Satoshi
    S.Satoshi
    Resolved
    Other Parts Discussed in Thread: LP38852 Hi All, Our customer hope to know the phase margin of LP38852 because there is no bode plot. Do you have example bode plot? The performance at typical schematic should be OK. I know that you recommend…
    • Resolved
    • over 11 years ago
    • Power management
    • Power management forum
  • Answered
  • LP38851, LP38852 / Behavior under over load condition

    S.Satoshi
    S.Satoshi
    Resolved
    Other Parts Discussed in Thread: LP38851 , LP38852 , LM1117 Hi Everyone, Our customer has evaluated LP38851 and LP38852 under over loaded condition as attached. We can see that the Vout is not down to zero completely under over loaded condition, so…
    • Resolved
    • over 10 years ago
    • Power management
    • Power management forum
  • LP38852 / psi-JT and psi-JB

    S.Satoshi
    S.Satoshi
    Other Parts Discussed in Thread: LP38852 Hi, Could you let me know psi-JT and psi-JB both for SO PowerPAD-8 and DDPAK-7 of LP38852? Best Regards, Sonoki / Japan Disty
    • over 11 years ago
    • Power management
    • Power management forum
  • Answered
  • RE: LP38852 / Slew rate condition at load transient response

    Zarni Tun
    Zarni Tun
    Resolved
    Hello Sonoki-San, We don't have a slew rate information on the datasheet, and we are following up on the detail. What is the load transient requirement for the application in which LP38852 is used? Thanks, Zarni
    • over 11 years ago
    • Power management
    • Power management forum
  • Answered
  • LM1117, LP38852 - operation starts under pre-bias condition

    Hirotaka Matsumoto
    Hirotaka Matsumoto
    Resolved
    Other Parts Discussed in Thread: LP38852 , LM1117 Hi All, We'd like to ask LM1117 and LP38852. <Question> When we use the device LM1117 or LP38852, is it OK to start operating under pre-bias condition? Kind regards, Hirotaka Matsumoto
    • Resolved
    • over 11 years ago
    • Power management
    • Power management forum
  • Answered
  • LP38511, LP38512, LP38851, LP38852 short circuit current

    Hidetoshi Matsunami
    Hidetoshi Matsunami
    Resolved
    Other Parts Discussed in Thread: LP38511 , LP38512 , LP38851 , LP38852 Hello Team, I would like to ask you about the short circuit current of LP38511, LP38512, LP38851 and LP38852. Could you tell me the dispersion of short circuit current rating data…
    • Resolved
    • over 11 years ago
    • Power management
    • Power management forum
  • Answered
  • Thermal resistance Rθja of DDA Package 8-Pin SO PowerPAD

    R.Fukunaga
    R.Fukunaga
    Resolved
    Part Number: LP38852 Tool/software: Hi all, I would like to know the thermal resistance Rθja of LP38852MRX-ADJ/NOPB. LP38852MRX-ADJ/NOPB is DDA Package 8-Pin SO PowerPAD. In the past data sheet, there was a graph that changes with distance from Copper…
    • Resolved
    • 3 months ago
    • Power management
    • Power management forum
>

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