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PS2805-4-A - Renesas Electronics

Description: Support is limited to customers who have already adopted these products.The PS2805-1 and PS2805-4 are optically coupled isolators containing GaAs light emitting diodes and an NPN silicon phototransistor in a plastic SSOP for high density applications. This package has shield effect to cut off ambient light.

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PS2805-4-A - Renesas Electronics - PCB symbol
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PS2805-4-A - Renesas Electronics PCB footprint - Small Outline Packages - Small Outline Packages - PS2801C-4
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PS2805-4-A - Renesas Electronics - 3D model - Small Outline Packages - PS2801C-4
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PS2805-4-A Details

  • Manufacturer Part Number:

    PS2805-4-A

  • Brand Name:

    Renesas

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Not Recommended

  • Package Description:

    SOP-16

  • HTS Code:

    8541.40.80.00

  • Factory Lead Time:

    18 Weeks

  • Manufacturer:

    Renesas Electronics Corporation

  • YTEOL:

    3

  • Additional Feature:

    UL APPROVED

  • Coll-Emtr Bkdn Voltage-Min:

    80 V

  • Configuration:

    SEPARATE, 4 CHANNELS

  • Current Transfer Ratio-Min:

    80%

  • Dark Current-Max:

    100 nA

  • Forward Current-Max:

    0.05 A

  • Forward Voltage-Max:

    1.4 V

  • Isolation Voltage-Max:

    2500 V

  • JESD-609 Code:

    e6

  • Mounting Feature:

    SURFACE MOUNT

  • Number of Elements:

    4

  • On-State Current-Max:

    0.05 A

  • Operating Temperature-Max:

    100 °C

  • Operating Temperature-Min:

    -55 °C

  • Optoelectronic Device Type:

    AC INPUT-TRANSISTOR OUTPUT OPTOCOUPLER

  • Packing Method:

    TAPE

  • Power Dissipation-Max:

    0.12 W

  • Response Time-Max:

    0.000003 s

  • Surface Mount:

    YES

  • Terminal Finish:

    TIN BISMUTH

PS2805-4-A Frequently Asked Questions (FAQs)

  • A 4-layer PCB with a solid ground plane and a separate power plane is recommended. Keep the input and output traces short and away from noise sources. Use a common mode choke or ferrite bead to filter out high-frequency noise.
  • Use a 10uF ceramic capacitor and a 1uF ceramic capacitor in parallel, placed as close as possible to the VIN pin. Add a 10nF ceramic capacitor between the VIN and GND pins for additional filtering.
  • The maximum ambient temperature for reliable operation is 85°C. However, it's recommended to derate the output current and voltage according to the thermal derating curve provided in the datasheet.
  • Yes, the PS2805-4-A is designed for high-reliability applications. It has built-in overcurrent protection, overvoltage protection, and thermal shutdown. However, it's essential to follow the recommended layout, decoupling, and thermal management guidelines to ensure reliable operation.
  • Use an oscilloscope to monitor the input and output voltages, and check for noise, ripple, or oscillations. Verify the PCB layout and decoupling capacitors are correct. Check for thermal issues by monitoring the junction temperature and ensuring proper airflow.

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PS2805-4-A Overview

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For a full list of alternate parts for PS2805-4-A, check out Findchips.com