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UC3842ANG4 - Texas Instruments

Description: AC to DC Switching Converter Off-Line Switcher/SMPS Controller 500kHz Tube 8-Pin PDIP

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UC3842ANG4 - Texas Instruments PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - P (R-PDIP-T8)
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UC3842ANG4 - Texas Instruments  - 3D model - Dual-In-Line Packages - P (R-PDIP-T8)
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UC3842ANG4 Details

  • Manufacturer Part Number:

    UC3842ANG4

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    DIP

  • Pin Count:

    8

  • Country Of Origin:

    Mexico

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Analog IC - Other Type:

    SWITCHING CONTROLLER

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    28 V

  • Input Voltage-Min:

    11.5 V

  • Input Voltage-Nom:

    15 V

  • JESD-30 Code:

    R-PDIP-T8

  • JESD-609 Code:

    e4

  • Length:

    9.81 mm

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    70 °C

  • Output Current-Max:

    1 A

  • Output Voltage-Max:

    5.1 V

  • Output Voltage-Min:

    4.9 V

  • Output Voltage-Nom:

    5 V

  • Package Body Material:

    PLASTIC/EPOXY

  • 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):

    28 V

  • Supply Voltage-Min (Vsup):

    16 V

  • Supply Voltage-Nom (Vsup):

    11 V

  • Surface Mount:

    NO

  • Switcher Configuration:

    BUCK-BOOST

  • Switching Frequency-Max:

    500 kHz

  • Technology:

    BIPOLAR

  • Temperature Grade:

    COMMERCIAL

  • Terminal Finish:

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

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    DUAL

  • Width:

    7.62 mm

UC3842ANG4 Frequently Asked Questions (FAQs)

  • The recommended operating voltage range for UC3842ANG4 is 12V to 28V, with a maximum rating of 30V.
  • The switching frequency of UC3842ANG4 can be calculated using the formula: f = 1 / (RT * CT), where RT is the resistance of the timing resistor and CT is the capacitance of the timing capacitor.
  • The maximum duty cycle of UC3842ANG4 is 50%, but it's recommended to keep it below 45% to ensure stable operation.
  • The choice of timing components depends on the desired switching frequency and output voltage. A higher switching frequency requires smaller values of RT and CT, while a higher output voltage requires larger values. TI provides a design guide and calculator to help with component selection.
  • UC3842ANG4 is designed for low-to-medium power applications up to 100W. For high-power applications, it's recommended to use a more advanced controller like the UCC380x or UCC390x series.

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UC3842ANG4 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 UC3842ANG4, check out Findchips.com