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UC2846J - Texas Instruments

Description: Current Mode PWM Controller 500mA 500kHz 16-Pin CDIP Tube

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UC2846J - Texas Instruments PCB footprint - Ceramic Dual-In-Line Packages - Ceramic Dual-In-Line Packages - J(R-GDIP-T16)
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UC2846J - Texas Instruments  - 3D model - Ceramic Dual-In-Line Packages - J(R-GDIP-T16)
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UC2846J Details

  • Manufacturer Part Number:

    UC2846J

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Part Life Cycle Code:

    Not Recommended

  • Part Package Code:

    DIP

  • Pin Count:

    16

  • 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:

    40 V

  • Input Voltage-Min:

    7.25 V

  • Input Voltage-Nom:

    15 V

  • JESD-30 Code:

    R-GDIP-T16

  • JESD-609 Code:

    e0

  • Length:

    19.56 mm

  • Number of Functions:

    1

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    0.5 A

  • Output Voltage-Max:

    5.15 V

  • Output Voltage-Min:

    5.05 V

  • Output Voltage-Nom:

    5.1 V

  • Package Body Material:

    CERAMIC, GLASS-SEALED

  • Package Code:

    DIP

  • Package Equivalence Code:

    DIP16,.3

  • Package Shape:

    RECTANGULAR

  • Package Style:

    IN-LINE

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    5.08 mm

  • Supply Current-Max (Isup):

    21 mA

  • Supply Voltage-Max (Vsup):

    40 V

  • Supply Voltage-Min (Vsup):

    7.7 V

  • Surface Mount:

    NO

  • Switcher Configuration:

    BUCK-BOOST

  • Switching Frequency-Max:

    500 kHz

  • Technology:

    BICMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Tin/Lead (Sn/Pb)

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    DUAL

  • Width:

    7.62 mm

UC2846J Frequently Asked Questions (FAQs)

  • The recommended operating frequency range for UC2846J is 100 kHz to 500 kHz. However, it can operate up to 1 MHz with reduced performance.
  • To ensure stable operation, make sure to follow the recommended layout guidelines, use a stable voltage supply, and add decoupling capacitors at the input and output pins. Also, ensure that the feedback loop is properly compensated.
  • The maximum output current capability of UC2846J is 1.5 A peak. However, the actual output current depends on the application, output voltage, and thermal considerations.
  • Yes, UC2846J can be used for isolated flyback converters. However, it requires additional components, such as a transformer and an optocoupler, to provide isolation between the input and output stages.
  • The output voltage of UC2846J can be adjusted by changing the feedback voltage divider ratio or by using a voltage reference IC. The feedback pin (FB) should be connected to a voltage divider network that sets the desired output voltage.

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UC2846J 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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Part Image UC2846N Texas Instruments

Switching Controller, Current-mode, 0.5A, 500kHz Switching Freq-Max, BICMOS, PDIP16

Part Image UC2846NG4 Texas Instruments

Switching Controller, Current-mode, 0.5A, 500kHz Switching Freq-Max, BICMOS, PDIP16

Part Image UC2846AJ Texas Instruments

Switching Controller, Current-mode, 1.5A, 500kHz Switching Freq-Max, BIPolar, CDIP16