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UC1845AMDREP - Texas Instruments

Description: Enhanced Product Current-Mode Pwm Controller

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UC1845AMDREP - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - D0008A
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UC1845AMDREP - Texas Instruments  - 3D model - Small Outline Packages - D0008A
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UC1845AMDREP Details

  • Manufacturer Part Number:

    UC1845AMDREP

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Not Recommended

  • Part Package Code:

    SOIC

  • Pin Count:

    8

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    4

  • Analog IC - Other Type:

    SWITCHING CONTROLLER

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    25 V

  • Input Voltage-Min:

    12 V

  • Input Voltage-Nom:

    15 V

  • JESD-30 Code:

    R-PDSO-G8

  • JESD-609 Code:

    e4

  • Length:

    4.9 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -55 °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:

    SOP

  • Package Equivalence Code:

    SOP8,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.75 mm

  • Supply Current-Max (Isup):

    17 mA

  • Supply Voltage-Max (Vsup):

    25 V

  • Supply Voltage-Min (Vsup):

    12 V

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK-BOOST

  • Switching Frequency-Max:

    500 kHz

  • Technology:

    BIPOLAR

  • Temperature Grade:

    MILITARY

  • Terminal Finish:

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

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

  • Time@Peak Reflow Temperature-Max (s):

    30

  • Width:

    3.9 mm

UC1845AMDREP Frequently Asked Questions (FAQs)

  • The recommended operating temperature range for the UC1845AMDREP is -40°C to 85°C.
  • To ensure proper biasing, connect a 1kΩ to 10kΩ resistor between the VCC pin and the VIN pin, and a 10nF to 100nF capacitor between the VCC pin and GND.
  • The UC1845AMDREP can deliver up to 1A of output current, but it's recommended to limit the output current to 500mA for reliable operation.
  • The output voltage can be adjusted by changing the ratio of the resistors R1 and R2 in the feedback network. A higher ratio will result in a higher output voltage, and vice versa.
  • The COMP pin is the output of the internal error amplifier, and it's used to compensate the feedback loop. It can also be used to add an external compensation network for improved stability.

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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 V62/03625-04YE Texas Instruments

Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, PDSO8