Part Image

UC1845AJ - Texas Instruments

Description: Texas Instruments UC1845AJ, PWM Current Mode Controller, 1 A, 500 kHz, 2.5 V, 8-Pin CDIP

Download UC1845AJ 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
UC1845AJ - Texas Instruments PCB footprint - Ceramic Dual-In-Line Packages - Ceramic Dual-In-Line Packages - JG (R-GDIP-T8)_2021
click to zoom
3D Models
UC1845AJ - Texas Instruments  - 3D model - Ceramic Dual-In-Line Packages - JG (R-GDIP-T8)_2021
click to zoom

UC1845AJ Details

  • Manufacturer Part Number:

    UC1845AJ

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    DIP

  • Pin Count:

    8

  • 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:

    25 V

  • Input Voltage-Min:

    8.2 V

  • Input Voltage-Nom:

    15 V

  • JESD-30 Code:

    R-GDIP-T8

  • JESD-609 Code:

    e0

  • Length:

    9.58 mm

  • 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:

    CERAMIC, GLASS-SEALED

  • Package Code:

    DIP

  • Package Equivalence Code:

    DIP8,.3

  • Package Shape:

    RECTANGULAR

  • Package Style:

    IN-LINE

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    5.08 mm

  • Supply Current-Max (Isup):

    25 mA

  • Supply Voltage-Max (Vsup):

    25 V

  • Supply Voltage-Min (Vsup):

    12 V

  • Supply Voltage-Nom (Vsup):

    11 V

  • Surface Mount:

    NO

  • Switcher Configuration:

    BUCK-BOOST

  • Switching Frequency-Max:

    500 kHz

  • Technology:

    BIPOLAR

  • Temperature Grade:

    MILITARY

  • Terminal Finish:

    Tin/Lead (Sn/Pb)

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    DUAL

  • Width:

    7.62 mm

UC1845AJ Frequently Asked Questions (FAQs)

  • The recommended operating voltage range for the UC1845AJ is 15V to 40V, although it can operate up to 45V with reduced performance.
  • To ensure stable operation, ensure that the input voltage is well-regulated, decouple the power supply with a 10uF capacitor, and use a low-ESR output capacitor. Also, follow the recommended PCB layout guidelines.
  • The UC1845AJ can deliver up to 4A of output current, but this is dependent on the input voltage, output voltage, and thermal considerations.
  • The output voltage of the UC1845AJ can be adjusted by changing the ratio of the resistors in the feedback network. A higher ratio will result in a higher output voltage, and vice versa.
  • The soft-start pin allows the output voltage to ramp up slowly during startup, reducing inrush currents and electromagnetic interference (EMI).

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

UC1845AJ Overview

Use the download button to access the UC1845AJ schematic symbol, PCB footprint, and 3D model.
To find more CAD model downloads similar to this part, try a partial part number search, like UC184, 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 UC1845AJ

Showing 0 results

UC1845AJ Alternates

Showing results

Image Part Number Model
Part Image UC1845J883B Texas Instruments

Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BICMOS, CDIP8

Part Image SG1845Y-DESC Microchip Technology Inc

Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, CDIP8

Part Image 5962-8670404PA TT Electronics Power and Hybrid / Semelab Limited

Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, CDIP8

Part Image SG1845Y-DESC Microsemi Corporation (now Microchip)

Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, CDIP8

Part Image UC1845AJ883B Rochester Electronics LLC

Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, CDIP8

For a full list of alternate parts for UC1845AJ, check out Findchips.com