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  • UC3845DG4

UC3845DG4

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Manufacturer No:

UC3845DG4

Manufacturer:

Texas Instruments

HK JDW NO:

815-UC3845DG4

Package:

14-SOIC (0.154, 3.90mm Width)

Datasheet:

-

Description:

14 Terminals 12V~28V 14-Pin UC3845 DC to DC converter ICSWITCHING CONTROLLER 1 Outputs 500kHz Transistor Driver

Quantity:

In Stock : 999

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Product Details

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UC3845DG4 Overview


As a result of 14-SOIC (0.154, 3.90mm Width) compact design, the switching controller is compatible with most applications. There is sufficient capacity to generate switching controller for outputs 1. The pmic is packaged in Tube solid enclosure. With Transistor Driver dc switching's output (s), it is able to handle it. A 12V~28V voltage is supplied to the dc control and used for operating it. Qualified to work in a 0°C~70°C TA dc switcher. With this switching controller, you can switch at 500kHz. It is suitable for general dc dc regulator when it is set to Surface Mount. DCDC regulator is controlled efficiently by Frequency Control. Connected to a SWITCHING CONTROLLER analog IC, the switch converters are connected to a power supply. switching converters terminal (s) are designed to be at DUAL. Different dc switching's functions can be applied to 14 terminations. It includes PULSE WIDTH MODULATION as one of the control techniques dc dc converter ic adapts. DC switcher's voltage input of 15V. Other relevant dc to dc converter ics will be returned if you search "UC3845". There are 14 pins on switching converter. Particularly, switching converter is a type of Switching Regulator or Controllers. DC regulator outputs 13.5V voltage according to the test statistics. You should note down the dc dc regulator's usual output current of 200mA when you start a project. Voltage regulator dc to dc is designed to operate at 50 % duty cycle during power-ups and power-downs to ensure reliability. There is 450kHz frequency setting on the switching controller. It is possible to set the input voltage as 25V for nominal working statuses. It is important that the controller is supplied with 25mA more than 25mA volts of current. If there is 11mA current flow input, then the switching converter could operate.

UC3845DG4 Features


Transistor Driver Outputs
Switching Frequency: 500kHz
Frequency Control
PULSE WIDTH MODULATION
Max Duty Cycle: 50 %
Frequency: 450kHz

UC3845DG4 Applications


There are a lot of Texas Instruments UC3845DG4 DC to DC converter applications.

  • Product burn-in
  • Refrigerators of central air conditioners
  • Emergency lighting monitoring equipment
  • Various precision measuring detectors
  • Production lines
  • Scientific research
  • Remotely powered electric motors
  • Milling machines
  • PSRR circuits
  • Planers
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EmailEmail for receiving inquiries: jindawei@hkjdwchip.com

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Package

Product
Step1Product
Casing drivepipe
Step2Casing drivepipe
Anti-static bag
Step3Anti-static bag
Packaging boxes
Step4Packaging boxes
Bar-code shipping tag
Step5Bar-code shipping tag

UC3845DG4

technical specifications, attributes, parameters and parts with similar specifications to UC3845DG4.

  • Type
    Parameter
    Select All
  • Factory Lead Time

    6 Weeks

  • Lifecycle Status

    ACTIVE (Last Updated: 2 days ago)

  • Mounting Type

    Surface Mount

  • Package / Case

    14-SOIC (0.154, 3.90mm Width)

  • Surface Mount

    YES

  • Number of Pins

    14

  • Weight

    122.413241mg

  • Operating Temperature

    0°C~70°C TA

  • Packaging

    Tube

  • JESD-609 Code

    e4

  • Pbfree Code

    yes

  • Part Status

    Active

  • Moisture Sensitivity Level (MSL)

    1 (Unlimited)

  • Number of Terminations

    14

  • ECCN Code

    EAR99

  • Terminal Finish

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

  • Subcategory

    Switching Regulator or Controllers

  • Technology

    BIPOLAR

  • Terminal Position

    DUAL

  • Terminal Form

    GULL WING

  • Peak Reflow Temperature (Cel)

    260

  • Frequency

    450kHz

  • Base Part Number

    UC3845

  • Function

    Step-Up, Step-Down, Step-Up/Step-Down

  • Number of Outputs

    1

  • Output Voltage

    13.5V

  • Output Type

    Transistor Driver

  • Input Voltage-Nom

    15V

  • Analog IC - Other Type

    SWITCHING CONTROLLER

  • Output Configuration

    Positive, Isolation Capable

  • Power Dissipation

    725mW

  • Output Current

    200mA

  • Voltage - Supply (Vcc/Vdd)

    12V~28V

  • Control Features

    Frequency Control

  • Topology

    Buck, Boost, Flyback, Forward Converter

  • Control Mode

    CURRENT-MODE

  • Frequency - Switching

    500kHz

  • Control Technique

    PULSE WIDTH MODULATION

  • Rise Time

    50ns

  • Supply Current-Max (Isup)

    25mA

  • Synchronous Rectifier

    No

  • Fall Time (Typ)

    50 ns

  • Nominal Input Voltage

    25V

  • Switcher Configuration

    BUCK-BOOST

  • Max Duty Cycle

    50 %

  • Input Current

    11mA

  • Duty Cycle (Max)

    48%

  • Height

    1.75mm

  • Length

    8.65mm

  • Width

    3.91mm

  • Thickness

    1.58mm

  • REACH SVHC

    No SVHC

  • RoHS Status

    ROHS3 Compliant

  • Lead Free

    Lead Free

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