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UC2903DW - Texas Instruments

Description: Texas Instruments UC2903DW, Quad Voltage Supervisor, 18-Pin SOIC

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UC2903DW - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - DW (R-PDSO-G18)
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UC2903DW - Texas Instruments  - 3D model - Small Outline Packages - DW (R-PDSO-G18)
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UC2903DW Details

  • Manufacturer Part Number:

    UC2903DW

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOIC

  • Package Description:

    SOIC-18

  • Pin Count:

    18

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Adjustable Threshold:

    YES

  • Analog IC - Other Type:

    VOLTAGE SUPERVISOR/RESET IC

  • JESD-30 Code:

    R-PDSO-G18

  • JESD-609 Code:

    e4

  • Length:

    11.55 mm

  • Moisture Sensitivity Level:

    2

  • Number of Channels:

    4

  • Number of Functions:

    1

  • Number of Terminals:

    18

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP18,.4

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    2.65 mm

  • Supply Current-Max (Isup):

    15 mA

  • Supply Voltage-Max (Vsup):

    40 V

  • Supply Voltage-Min (Vsup):

    8 V

  • Supply Voltage-Nom (Vsup):

    15 V

  • Surface Mount:

    YES

  • Technology:

    BIPOLAR

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    NICKEL PALLADIUM GOLD

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

  • Threshold Voltage-Nom:

    1.8

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

    30

  • Width:

    7.5 mm

UC2903DW Frequently Asked Questions (FAQs)

  • The recommended operating voltage range for the UC2903DW is 10.5V to 15V, with a typical operating voltage of 12V.
  • To ensure proper biasing, connect a 1kΩ resistor between the VCC pin and the VIN pin, and a 10kΩ resistor between the VCC pin and the GND pin. This will provide a stable voltage reference for the internal voltage regulator.
  • The UC2903DW can deliver up to 1A of output current, making it suitable for powering small to medium-sized loads.
  • Use a voltage supervisor or a voltage monitor IC to detect overvoltage and undervoltage conditions, and connect it to the EN (enable) pin of the UC2903DW to shut down the device in case of a fault.
  • The EN pin is an active-high enable input that allows the user to turn the device on or off. When the EN pin is high, the device is enabled, and when it is low, the device is disabled.

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UC2903DW 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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Part Image UC2903DWTR Texas Instruments

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Part Image UC2903DWG4 Texas Instruments

Voltage Supervisor/Reset IC, Adjustable, 4 Channel, 1.8, BIPolar, PDSO18