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UC3845BD1013TR - STMicroelectronics

Description: UC3845BD1013TR, PWM Current Mode Controller, 1 A Boost, Flyback, 500 kHz 8-Pin SOIC

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UC3845BD1013TR - STMicroelectronics PCB footprint - Small Outline Packages - Small Outline Packages - 8-Pin SO_
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UC3845BD1013TR Details

  • Manufacturer Part Number:

    UC3845BD1013TR

  • Brand Name:

    STMicroelectronics

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOIC

  • Package Description:

    SO-8

  • Pin Count:

    8

  • Country Of Origin:

    Morocco

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    STMicroelectronics

  • YTEOL:

    7

  • Analog IC - Other Type:

    SWITCHING CONTROLLER

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    30 V

  • Input Voltage-Min:

    8.2 V

  • Input Voltage-Nom:

    15 V

  • JESD-30 Code:

    R-PDSO-G8

  • JESD-609 Code:

    e4

  • Length:

    4.9 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    70 °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:

    SINGLE

  • Switching Frequency-Max:

    500 kHz

  • Technology:

    BIPOLAR

  • Temperature Grade:

    COMMERCIAL

  • Terminal Finish:

    Nickel/Palladium/Gold (Ni/Pd/Au)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

  • Time@Peak Reflow Temperature-Max (s):

    30

  • Width:

    3.9 mm

UC3845BD1013TR Frequently Asked Questions (FAQs)

  • The maximum operating frequency of the UC3845BD1013TR is 500 kHz.
  • To ensure stable operation, ensure that the input voltage is within the recommended range, decouple the power supply with a capacitor, and use a stable oscillator circuit.
  • The soft-start pin (SS) is used to gradually increase the output voltage of the converter during startup, reducing inrush currents and electromagnetic interference (EMI).
  • Yes, the UC3845BD1013TR 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 or application notes.

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UC3845BD1013TR Overview

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About STMicroelectronics

STMicroelectronics (ST) is a global semiconductor company that designs, manufactures, and markets a broad range of integrated circuits (ICs), discrete devices, and other electronic components. STMicroelectronics offers a diverse portfolio of semiconductor products covering a wide range of applications and industries. Their product categories include microcontrollers, analog and mixed-signal ICs, MEMS (Micro-Electro-Mechanical Systems) sensors, power management ICs, RF (Radio Frequency) transceivers, aut

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