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UC1844AJ - Texas Instruments

Description: Off Line Current-Mode PWM Controller

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UC1844AJ - Texas Instruments PCB footprint - Ceramic Dual-In-Line Packages - Ceramic Dual-In-Line Packages - JG  (R-GDIP-T8)
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UC1844AJ - Texas Instruments  - 3D model - Ceramic Dual-In-Line Packages - JG  (R-GDIP-T8)
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UC1844AJ Details

  • Manufacturer Part Number:

    UC1844AJ

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    DIP

  • Pin Count:

    8

  • 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:

    30 V

  • Input Voltage-Min:

    11 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

  • Seated Height-Max:

    5.08 mm

  • Supply Current-Max (Isup):

    25 mA

  • Supply Voltage-Max (Vsup):

    30 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

UC1844AJ Frequently Asked Questions (FAQs)

  • The recommended operating voltage range for the UC1844AJ is 15V to 40V.
  • To ensure stability and oscillation at the desired frequency, it's essential to follow the recommended component values and PCB layout guidelines provided in the datasheet and application notes.
  • The UC1844AJ can deliver a maximum output current of 1A per channel, making it suitable for applications requiring high current output.
  • Yes, the UC1844AJ can be used in a push-pull configuration, which allows for higher output power and improved efficiency.
  • To synchronize multiple UC1844AJ devices, you can use the SYNC pin to connect the devices in a master-slave configuration, ensuring that all devices oscillate at the same frequency.

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UC1844AJ 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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For a full list of alternate parts for UC1844AJ, check out Findchips.com