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AP3503FMPTR-G1 - Diodes Incorporated

Description: DiodesZetex AP3503FMPTR-G1, Synchronous Buck DC-DC Converter, 3A, Adjustable, 0.92 → 15 V, 8-Pin PSOP-8

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AP3503FMPTR-G1 - Diodes Incorporated - PCB symbol
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PCB Footprints
AP3503FMPTR-G1 - Diodes Incorporated PCB footprint - Small Outline Packages - Small Outline Packages - PSOP-8_
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3D Models
AP3503FMPTR-G1 - Diodes Incorporated - 3D model - Small Outline Packages - PSOP-8_
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AP3503FMPTR-G1 Details

  • Manufacturer Part Number:

    AP3503FMPTR-G1

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Package Description:

    GREEN, PLASTIC, SOP-8

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Diodes Incorporated

  • YTEOL:

    0

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    18 V

  • Input Voltage-Min:

    4.5 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    R-PDSO-G8

  • JESD-609 Code:

    e3

  • Length:

    4.9 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Voltage-Nom:

    3.3 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HSOP

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, HEAT SINK/SLUG

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    1.75 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    MATTE TIN

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    3.9 mm

AP3503FMPTR-G1 Frequently Asked Questions (FAQs)

  • A good PCB layout for optimal thermal performance would be to have a solid ground plane on the bottom layer, and to use thermal vias to connect the thermal pad of the AP3503FMPTR-G1 to the ground plane. This helps to dissipate heat efficiently.
  • To ensure the stability of the output voltage, it is recommended to use a minimum output capacitance of 10uF, and to choose a capacitor with a low ESR (Equivalent Series Resistance) to minimize voltage ripple.
  • Although the datasheet specifies a maximum input voltage of 18V, it is recommended to limit the input voltage to 15V to ensure reliable operation and to prevent damage to the device.
  • The AP3503FMPTR-G1 has a built-in overcurrent protection (OCP) feature that limits the output current to 3.5A. However, it is still recommended to add an external fuse or PTC (Positive Temperature Coefficient) thermistor to provide additional protection against overcurrent conditions.
  • A 1uF to 10uF ceramic capacitor is recommended for input decoupling, with an X5R or X7R dielectric to ensure stable operation over a wide temperature range.

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AP3503FMPTR-G1 Overview

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