Part Image

UC2844DTR - Texas Instruments

Description: Current-Mode PWM Controller

Download UC2844DTR Model
Schematic
symbols
Schematic symbol is unavailable for download
PCB
footprints
PCB footprint is unavailable for download
3D
models
3D model is unavailable for download
PCB Footprints
UC2844DTR - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - D (-R-PDSO-G14)
click to zoom
3D Models
UC2844DTR - Texas Instruments  - 3D model - Small Outline Packages - D (-R-PDSO-G14)
click to zoom

UC2844DTR Details

  • Manufacturer Part Number:

    UC2844DTR

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOIC

  • Pin Count:

    14

  • Country Of Origin:

    Mexico

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • 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-PDSO-G14

  • JESD-609 Code:

    e4

  • Length:

    8.65 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    14

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    1 A

  • Output Voltage-Nom:

    2.5 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP14,.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):

    25 mA

  • Supply Voltage-Max (Vsup):

    28 V

  • Supply Voltage-Min (Vsup):

    16 V

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK-BOOST

  • Switching Frequency-Max:

    500 kHz

  • Technology:

    BIPOLAR

  • Temperature Grade:

    INDUSTRIAL

  • 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

UC2844DTR Frequently Asked Questions (FAQs)

  • The recommended input capacitor value is 10uF to 22uF, depending on the input voltage and output current requirements. A larger capacitor value can help reduce input voltage ripple and improve overall system stability.
  • The output inductor value depends on the output voltage, output current, and switching frequency. A general rule of thumb is to choose an inductor value that results in a peak-to-peak ripple current of 20-30% of the maximum output current. TI provides an inductor selection guide in the UC2844DTR datasheet.
  • The UC2844DTR has a maximum ambient temperature rating of 85°C. However, the device can operate at higher temperatures with derating. Refer to the datasheet for thermal derating curves.
  • Yes, the UC2844DTR can be used in a synchronous rectification topology. However, additional external components and control circuitry are required to implement synchronous rectification. TI provides application notes and reference designs for synchronous rectification using the UC2844DTR.
  • To ensure EMC compliance, follow proper PCB layout and design guidelines, use a shielded transformer, and add EMI filters as needed. TI provides guidelines for EMC compliance in the UC2844DTR datasheet and application notes.

Trust Checks

This model has been provided by community users.
Community Provided
This model has been verified by system checks.
System Verified
This model has been reviewed by community users.
Community Approved
Sponsored

UC2844DTR Overview

Use the download button to access the UC2844DTR schematic symbol, PCB footprint, and 3D model.
To find more CAD model downloads similar to this part, try a partial part number search, like UC284, or try a keyword search, such as Switching Regulator or Controllers

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.

Parts related to UC2844DTR

Showing 0 results

UC2844DTR Alternates

Showing results

Image Part Number Model
Part Image UC2844D Texas Instruments

Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, PDSO14

Part Image UC3844DTR Texas Instruments

Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, PDSO14

Part Image UC2844DTR Unitrode Corporation

Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, PDSO14

Part Image UC2844DTRG4 Texas Instruments

Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, PDSO14

Part Image UC3844DR Texas Instruments

Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, PDSO14

For a full list of alternate parts for UC2844DTR, check out Findchips.com