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UC1845AJ883B - Texas Instruments

Description: Switching Controllers Current Mode PWM Controller 8-CDIP -55 to 125

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UC1845AJ883B - Texas Instruments PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - JG (R-GDIP-T8)
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UC1845AJ883B - Texas Instruments  - 3D model - Dual-In-Line Packages - JG (R-GDIP-T8)
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UC1845AJ883B Details

  • Manufacturer Part Number:

    UC1845AJ883B

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    No

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    DIP

  • Package Description:

    DIP, DIP8,.3

  • Pin Count:

    8

  • Reach Compliance Code:

    Not Compliant

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Analog IC - Other Type:

    SWITCHING CONTROLLER

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    25 V

  • Input Voltage-Min:

    8.2 V

  • Input Voltage-Nom:

    15 V

  • JESD-30 Code:

    R-GDIP-T8

  • JESD-609 Code:

    e0

  • Length:

    9.58 mm

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -55 °C

  • Output Current-Max:

    1 A

  • Output Voltage-Max:

    5.05 V

  • Output Voltage-Min:

    4.95 V

  • Output Voltage-Nom:

    5 V

  • Package Body Material:

    CERAMIC, GLASS-SEALED

  • Package Code:

    DIP

  • Package Equivalence Code:

    DIP8,.3

  • Package Shape:

    RECTANGULAR

  • Package Style:

    IN-LINE

  • Qualification Status:

    Not Qualified

  • Screening Level:

    MIL-STD-883 Class B

  • Seated Height-Max:

    5.08 mm

  • Supply Current-Max (Isup):

    25 mA

  • Supply Voltage-Max (Vsup):

    25 V

  • Supply Voltage-Min (Vsup):

    12 V

  • Supply Voltage-Nom (Vsup):

    11 V

  • Surface Mount:

    NO

  • Switcher Configuration:

    BUCK-BOOST

  • Switching Frequency-Max:

    500 kHz

  • Technology:

    BIPOLAR

  • Temperature Grade:

    MILITARY

  • Terminal Finish:

    Tin/Lead (Sn/Pb)

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    DUAL

  • Width:

    7.62 mm

UC1845AJ883B Frequently Asked Questions (FAQs)

  • A good PCB layout for the UC1845AJ883B involves keeping the power supply and output stages separate, using a star-ground configuration, and minimizing loop areas to reduce EMI. TI provides a recommended layout in the datasheet and application notes.
  • Choose an inductor with a high saturation current rating, low DC resistance, and a suitable inductance value based on the output voltage and current requirements. TI provides inductor selection guidelines in the datasheet and application notes.
  • The UC1845AJ883B is rated for operation from -40°C to 85°C. However, the device may still function outside this range, but with reduced performance and reliability.
  • Yes, the UC1845AJ883B is qualified for automotive and high-reliability applications, but additional testing and validation may be required to meet specific industry standards.
  • Use an oscilloscope to monitor the output voltage, current, and switching waveforms. Check the PCB layout, component values, and input/output connections. Consult the datasheet, application notes, and TI's support resources for guidance.

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UC1845AJ883B Overview

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About Texas Instruments

Texas Instruments (TI) designs and manufactures semiconductors and integrated circuits for a wide range of applications. The company's product portfolio includes analog chips, which are essential for managing power and signal functions in electronic devices, and embedded processors, which serve as the brains in various systems, enabling functionality in everything from industrial equipment to consumer electronics. TI's innovations in semiconductor technology have made it a leader in the industry.

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