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MPF4393 - onsemi

Description: Obsolete - N-Channel JFET Transistor, 30 V

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MPF4393 - onsemi - PCB symbol
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MPF4393 - onsemi PCB footprint - Other - Other - MPF4393-1
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MPF4393 Details

  • Manufacturer Part Number:

    MPF4393

  • Brand Name:

    onsemi

  • Pbfree Code:

    No

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    TO-92 (TO-226) 5.33mm Body Height

  • Package Description:

    CASE 29-11, TO-226AA, 3 PIN

  • Pin Count:

    3

  • Manufacturer Package Code:

    29-11

  • ECCN Code:

    EAR99

  • Manufacturer:

    onsemi

  • YTEOL:

    0

  • Configuration:

    SINGLE

  • DS Breakdown Voltage-Min:

    30 V

  • Drain-source On Resistance-Max:

    100 Ω

  • FET Technology:

    JUNCTION

  • Feedback Cap-Max (Crss):

    3.5 pF

  • JEDEC-95 Code:

    TO-92

  • JESD-30 Code:

    O-PBCY-T3

  • JESD-609 Code:

    e0

  • Number of Elements:

    1

  • Number of Terminals:

    3

  • Operating Mode:

    DEPLETION MODE

  • Operating Temperature-Max:

    150 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Shape:

    ROUND

  • Package Style:

    CYLINDRICAL

  • Peak Reflow Temperature (Cel):

    235

  • Polarity/Channel Type:

    N-CHANNEL

  • Power Dissipation-Max (Abs):

    0.625 W

  • Qualification Status:

    Not Qualified

  • Surface Mount:

    NO

  • Terminal Finish:

    Tin/Lead (Sn/Pb)

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Position:

    BOTTOM

  • Time@Peak Reflow Temperature-Max (s):

    NOT SPECIFIED

  • Transistor Application:

    SWITCHING

  • Transistor Element Material:

    SILICON

MPF4393 Frequently Asked Questions (FAQs)

  • A good PCB layout for the MPF4393 involves keeping the input and output capacitors close to the IC, using a solid ground plane, and minimizing the length of the input and output traces. Additionally, it's recommended to use a shielded inductor and to keep the switching node (SW) away from sensitive analog circuits.
  • To optimize the compensation network, start by selecting the desired crossover frequency and phase margin. Then, use the datasheet's compensation network design equations to calculate the required values for R1, R2, C1, and C2. Finally, use simulation tools or a network analyzer to fine-tune the compensation network for optimal stability and transient response.
  • The MPF4393 can tolerate up to 10% input voltage ripple without affecting its performance. However, it's recommended to keep the input voltage ripple below 5% to ensure optimal performance and minimize the risk of instability.
  • Yes, the MPF4393 can be used in a synchronous rectification configuration. In this configuration, the internal switch is used as the main switch, and an external synchronous rectifier is used to reduce power losses. However, it's essential to ensure that the synchronous rectifier is properly synchronized with the internal switch to avoid shoot-through currents.
  • The MPF4393 has a built-in overcurrent protection (OCP) feature that limits the output current to a safe value. However, it's still recommended to add external overcurrent protection, such as a fuse or a current-sensing resistor, to provide an additional layer of protection. Additionally, ensure that the output capacitor is rated for the maximum output current to prevent overheating.

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MPF4393 Overview

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MPF4393 Alternates

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Part Image MPF4393RL onsemi

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Part Image MPF4393RLRF Motorola Semiconductor Products

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Part Image MPF4393RLRE onsemi

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Part Image MPF4393G onsemi

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Part Image MPF4393ZL1 onsemi

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For a full list of alternate parts for MPF4393, check out Findchips.com