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UC3842BVD1G - onsemi

Description: Last Shipments - High Performance Current Mode PWM Controller

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UC3842BVD1G - onsemi PCB footprint - Small Outline Packages - Small Outline Packages - SOIC-8 NB CAST 751-07
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UC3842BVD1G - onsemi  - 3D model - Small Outline Packages - SOIC-8 NB CAST 751-07
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UC3842BVD1G Details

  • Manufacturer Part Number:

    UC3842BVD1G

  • Brand Name:

    onsemi

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOIC-8 Narrow Body

  • Package Description:

    SOIC-8

  • Pin Count:

    8

  • Manufacturer Package Code:

    751-07

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    onsemi

  • YTEOL:

    0

  • Analog IC - Other Type:

    SWITCHING CONTROLLER

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    25 V

  • Input Voltage-Min:

    12 V

  • Input Voltage-Nom:

    15 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:

    105 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    1 A

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP8,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.75 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK-BOOST

  • Switching Frequency-Max:

    500 kHz

  • Technology:

    BIPOLAR

  • 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

UC3842BVD1G Frequently Asked Questions (FAQs)

  • The maximum operating frequency of the UC3842BVD1G is 500 kHz.
  • To ensure stable operation, ensure that the input voltage is within the recommended range, decouple the power supply with a 10uF capacitor, and use a minimum of 1kΩ pull-up resistor on the feedback pin.
  • The soft-start pin (SS) is used to slowly ramp up the output voltage during startup, reducing inrush current and preventing voltage overshoot.
  • Yes, the UC3842BVD1G can be used in a synchronous rectification topology, but it requires additional external components and careful design to ensure proper operation.
  • The minimum duty cycle is typically 0.02, and the maximum duty cycle is typically 0.98. These values can be calculated using the formulas provided in the datasheet.

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UC3842BVD1G Overview

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