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FSL126MR - onsemi

Description: Low Operating Current: 1.8mA; Under-Voltage Lockout (UVLO); Adjustable Peak Current Limit; Internal Startup Circuit; Precision Fixed Operating Frequency withFrequency Modulation for Attenuating EMI; Various Protections: Over-Voltage Protection(OVP), Overload Protection (OLP), Output-ShortProtection (OSP), Abnormal Over-CurrentProtection (AOCP), Internal Thermal ShutdownFunction with Hysteresis (TSD); Internal Avalanche-Rugged SenseFET (650V); Pulse-by-Pulse Current Limiting; Built-in Soft-Start: 15ms; Under

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FSL126MR - onsemi - PCB symbol
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PCB Footprints
FSL126MR - onsemi PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - PDIP8 9.42x6.38, 2.54P
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3D Models
FSL126MR - onsemi - 3D model - Dual-In-Line Packages - PDIP8 9.42x6.38, 2.54P
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FSL126MR Details

  • Manufacturer Part Number:

    FSL126MR

  • Brand Name:

    onsemi

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    PDIP-8

  • Manufacturer Package Code:

    646CM

  • Country Of Origin:

    Philippines

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    40 Weeks

  • Manufacturer:

    onsemi

  • YTEOL:

    0

  • Analog IC - Other Type:

    LOAD SWITCH

  • JESD-609 Code:

    e3

  • Qualification Status:

    Not Qualified

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Matte Tin (Sn) - annealed

FSL126MR Frequently Asked Questions (FAQs)

  • A 2-layer or 4-layer PCB with a solid ground plane and thermal vias is recommended. The FSL126MR should be placed near a thermal pad or heat sink to dissipate heat efficiently.
  • Ensure proper heat sinking, use a thermal interface material (TIM) between the device and heat sink, and follow the recommended PCB layout guidelines. Also, consider derating the device's current rating at high temperatures.
  • The maximum allowed voltage on the VIN pin is 28V, but it's recommended to keep it below 24V for reliable operation and to prevent damage to the internal voltage regulator.
  • Yes, but be aware that the device's switching frequency is limited to 500 kHz. Exceeding this frequency may lead to reduced efficiency, increased heat generation, and potential device damage.
  • Use external overcurrent protection (OCP) and overvoltage protection (OVP) circuits, such as fuses or PTC thermistors, to prevent damage to the device. Also, consider using a voltage supervisor or reset IC to monitor the input voltage.

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FSL126MR Overview

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