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UC2845ANG4 - Texas Instruments

Description: TEXAS INSTRUMENTS - UC2845ANG4 - PWM Controller Current Mode, 25V-12V supply, 500 kHz, 15V/200mA out, DIP-8

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UC2845ANG4 - Texas Instruments PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - P (R-PDIP-T8)
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UC2845ANG4 - Texas Instruments  - 3D model - Dual-In-Line Packages - P (R-PDIP-T8)
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UC2845ANG4 Details

  • Manufacturer Part Number:

    UC2845ANG4

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Not Recommended

  • Part Package Code:

    DIP

  • Package Description:

    PDIP-8

  • Pin Count:

    8

  • Country Of Origin:

    Mexico

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    4

  • Analog IC - Other Type:

    SWITCHING CONTROLLER

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    28 V

  • Input Voltage-Min:

    8.2 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

  • Packing Method:

    TUBE

  • 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):

    8.4 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

UC2845ANG4 Frequently Asked Questions (FAQs)

  • The recommended operating frequency range for the UC2845ANG4 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 low-ESR output capacitor, and add a bypass capacitor between VCC and GND. Also, ensure that the input voltage is within the recommended range and the output current is within the specified limits.
  • The UC2845ANG4 can handle a maximum output current of 5A. However, the actual output current may be limited by the external components, such as the output inductor and capacitor, and the input voltage.
  • Yes, the UC2845ANG4 can be used in a synchronous rectification topology. However, it requires additional external components, such as a synchronous rectifier MOSFET and a gate driver, to control the rectifier MOSFET.
  • The minimum input voltage required for the UC2845ANG4 is dependent on the output voltage and the desired output current. A general rule of thumb is to ensure that the input voltage is at least 2V higher than the output voltage. You can use the datasheet equations to calculate the minimum input voltage for your specific application.

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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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