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INN3949CQ-TL - Power Integrations

Description: Converter Offline Flyback Topology 25kHz ~ 95kHz InSOP-24D

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INN3949CQ-TL - Power Integrations - PCB symbol
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PCB Footprints
INN3949CQ-TL - Power Integrations PCB footprint - Other - Other - INN3949CQ-TL-2
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3D Models
INN3949CQ-TL - Power Integrations - 3D model - Other - INN3949CQ-TL-2
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INN3949CQ-TL Details

  • Manufacturer Part Number:

    INN3949CQ-TL

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    INSOP-24/20

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    12 Weeks

  • Manufacturer:

    Power Integrations

  • YTEOL:

    7

  • Analog IC - Other Type:

    LOAD SWITCH

  • Control Technique:

    RESONANT CONTROL

  • Input Voltage-Min:

    30 V

  • JESD-30 Code:

    R-PDSO-G20

  • Length:

    10.8 mm

  • Moisture Sensitivity Level:

    3

  • Number of Functions:

    1

  • Number of Terminals:

    20

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    2.033 A

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    LSSOP

  • Package Equivalence Code:

    SOP20/24,.53,30

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, LOW PROFILE, SHRINK PITCH

  • Screening Level:

    AEC-Q100

  • Seated Height-Max:

    1.6 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK-BOOST

  • Switching Frequency-Max:

    145 kHz

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.75 mm

  • Terminal Position:

    DUAL

  • Width:

    9.4 mm

INN3949CQ-TL Frequently Asked Questions (FAQs)

  • A 2-layer PCB with a solid ground plane on the bottom layer and a thermal relief pattern on the top layer is recommended. This helps to dissipate heat efficiently and reduce thermal resistance.
  • Ensure that the input voltage rises and falls monotonically, and that the output voltage is properly decoupled. A soft-start circuit can also be implemented to reduce inrush current and ensure reliable start-up.
  • The maximum allowed output capacitance is 220uF. Exceeding this value may cause instability or oscillations in the output voltage.
  • Implement overvoltage protection (OVP) and undervoltage protection (UVP) circuits to prevent damage to the device. A voltage monitor IC or a dedicated OVP/UVP IC can be used for this purpose.
  • A pi-filter configuration with a common-mode choke and X-capacitors is recommended to reduce electromagnetic interference (EMI) and ensure compliance with regulatory standards.

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INN3949CQ-TL Overview

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