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PS9821-2-F3-AX - Renesas Electronics

Description: The PS9821-1 and PS9821-2 are active-low type high-speed photocouplers that use a GaAlAs light-emitting diode on the input side and a photodetector IC that includes a photodiode and a signal processor on the same chip on the output side. The PS9821-1, -2 are designed specifically for high common mode transient immunity (CMR) and low pulse width distortion, PS9821-2 is suitable for high density applications.

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PS9821-2-F3-AX - Renesas Electronics - PCB symbol
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PS9821-2-F3-AX - Renesas Electronics PCB footprint - Small Outline Packages - Small Outline Packages - PS9821-2
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PS9821-2-F3-AX Details

  • Manufacturer Part Number:

    PS9821-2-F3-AX

  • Brand Name:

    Renesas

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    SSOP-8

  • Country Of Origin:

    Japan

  • HTS Code:

    8541.40.80.00

  • Factory Lead Time:

    18 Weeks

  • Manufacturer:

    Renesas Electronics Corporation

  • YTEOL:

    6

  • Additional Feature:

    UL RECOGNIZED

  • Configuration:

    SEPARATE, 2 CHANNELS

  • Data Rate-Nom:

    15 MBps

  • Forward Current-Max:

    0.015 A

  • Isolation Voltage-Max:

    2500 V

  • JESD-609 Code:

    e4

  • Mounting Feature:

    SURFACE MOUNT

  • Number of Elements:

    2

  • Number of Functions:

    2

  • On-State Current-Max:

    0.025 A

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Optoelectronic Device Type:

    LOGIC IC OUTPUT OPTOCOUPLER

  • Packing Method:

    TR, EMBOSSED, 13 INCH

  • Response Time-Nom:

    2e-8 ns

  • Supply Voltage-Min:

    2.7 V

  • Surface Mount:

    YES

  • Terminal Finish:

    NICKEL PALLADIUM GOLD

PS9821-2-F3-AX Frequently Asked Questions (FAQs)

  • A 4-layer PCB with a solid ground plane and thermal vias is recommended. Ensure that the thermal pad is connected to a large copper area on the PCB to dissipate heat efficiently.
  • Implement a soft-start circuit to limit the inrush current during startup. Monitor the device's temperature and adjust the output voltage to prevent overheating during shutdown.
  • Choose capacitors with low ESR, high ripple current rating, and a voltage rating that exceeds the output voltage. Ensure the capacitors are placed close to the device to minimize parasitic inductance.
  • Use an oscilloscope to monitor the output current and voltage. Verify that the OCP threshold is set correctly and that the device is not experiencing a fault condition that triggers the OCP.
  • Choose an input capacitor with a voltage rating that exceeds the maximum input voltage, low ESR, and a capacitance value that meets the device's input capacitance requirement.

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PS9821-2-F3-AX Overview

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