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TL2845BP - Texas Instruments

Description: Current Mode PWM Controller 0V to 30V 200mA 8-Pin PDIP Tube

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TL2845BP - Texas Instruments PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - P (R-PDIP-T8)
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TL2845BP - Texas Instruments  - 3D model - Dual-In-Line Packages - P (R-PDIP-T8)
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TL2845BP Details

  • Manufacturer Part Number:

    TL2845BP

  • Brand Name:

    Texas Instruments

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    DIP

  • Package Description:

    DIP-8

  • Pin Count:

    8

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Analog IC - Other Type:

    SWITCHING CONTROLLER

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    30 V

  • Input Voltage-Min:

    12 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:

    30 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

  • Screening Level:

    TS 16949

  • Seated Height-Max:

    5.08 mm

  • Supply Current-Max (Isup):

    30 mA

  • Surface Mount:

    NO

  • Switcher Configuration:

    SINGLE

  • Switching Frequency-Max:

    500 kHz

  • Technology:

    BIPOLAR

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    NICKEL PALLADIUM GOLD

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    DUAL

  • Width:

    7.62 mm

TL2845BP Frequently Asked Questions (FAQs)

  • The recommended operating voltage range for the TL2845BP is 3.5V to 16V, although it can operate up to 18V with reduced performance.
  • To ensure stability, a minimum output capacitance of 1uF is recommended, and the output capacitor should be located close to the output pin. Additionally, a 10nF to 100nF capacitor can be added between the adjust pin and ground to improve transient response.
  • The maximum output current of the TL2845BP is 1.5A, but it can be limited by the thermal dissipation of the package and the input voltage.
  • The TL2845BP has a maximum operating junction temperature of 150°C, but it's recommended to derate the output current and input voltage to ensure reliable operation above 125°C.
  • The output voltage of the TL2845BP can be calculated using the formula: Vout = Vref x (1 + R1/R2), where Vref is the internal reference voltage (2.5V), R1 is the resistance between the output and adjust pins, and R2 is the resistance between the adjust pin and ground.

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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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