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UC2844ANG4 - Texas Instruments

Description: TEXAS INSTRUMENTS - UC2844ANG4 . - PWM Controller Current Mode, 25V-12V supply, 500 kHz, 15V/200mA out, DIP-8

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UC2844ANG4 - Texas Instruments PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - P (R-PDIP-T8)
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UC2844ANG4 - Texas Instruments  - 3D model - Dual-In-Line Packages - P (R-PDIP-T8)
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UC2844ANG4 Details

  • Manufacturer Part Number:

    UC2844ANG4

  • 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 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:

    85 °C

  • Operating Temperature-Min:

    -40 °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:

    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:

    INDUSTRIAL

  • Terminal Finish:

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

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    DUAL

  • Width:

    7.62 mm

UC2844ANG4 Frequently Asked Questions (FAQs)

  • The recommended operating frequency range for the UC2844ANG4 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 and component selection guidelines, including the use of a suitable input filter, a low-ESR output capacitor, and a proper PCB layout to minimize noise and parasitic inductance.
  • The maximum output current capability of the UC2844ANG4 is 1.5 A peak. However, the actual output current capability depends on the specific application, including the input voltage, output voltage, and switching frequency.
  • The output voltage of the UC2844ANG4 can be adjusted by changing the ratio of the feedback resistors (R1 and R2) or by using a voltage reference IC (such as the TL431) to regulate the output voltage.
  • The soft-start pin (SS) on the UC2844ANG4 is used to control the output voltage rise time during startup. By connecting a capacitor to the SS pin, the output voltage rise time can be slowed down to prevent inrush currents and reduce electromagnetic interference (EMI).

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UC2844ANG4 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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