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  • UC3845AD

UC3845AD

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Manufacturer No:

UC3845AD

Manufacturer:

Texas Instruments

HK JDW NO:

815-UC3845AD

Package:

14-SOIC (0.154, 3.90mm Width)

Datasheet:

UC3845AD

Description:

14 Terminals 7.6V~30V 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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UC3845AD Overview


This switching controller fits most application requirements since it is packaged in a 14-SOIC (0.154, 3.90mm Width) package. There is enough capacity in the dc motor controller to generate the output for the 1 input. Packaged in solid enclosures, this pmic has a Tube rating. Transistor Driver dc switching's outputs (s) are supported. DC control operates at 7.6V~30V volts and has 7.6V~30V supply voltage. Qualified to work in a 0°C~70°C TA dc switcher. Using this switching controller, it is possible to switch at 500kHz. The Surface Mount allows it to be used for dc dc regulator in general. Featured in the dcdc regulator is Frequency Control which allows efficient switching control. Thare switch converters are connected to an analog integrated circuit (IC) of type SWITCHING CONTROLLER. Switching converters are designed with the terminal (s) at position DUAL . Different dc switching's functions can be applied to 14 terminations. To name a few of the control techniques these dc dc converter ics adapt, it includes PULSE WIDTH MODULATION. It is inputted with a DC switcher's voltage of 15V. A search for "UC3845" will reveal other relevant dc to dc converter ics. 14 pins are on switching converter. In particular, switching converter is a type of Switching Regulator or Controllers. According to the test statistics, DC regulator outputs 5.1V voltage. In most cases, the output current of the dc dc regulator will be 200mA, so note that when you start the project. The maximum duty cycle of this voltage regulator dc to dc is set to 50 % to ensure reliability during power-up and power-down. There is 450kHz frequency setting on the switching controller. When the dc switching is dormant, it uses 11mA. It is possible to set the input voltage as 25V for nominal working statuses. The supply voltage must be 11V. There should be 25mA current exceeding 25mA supplied to the controller. Input of 11mA current flow would satisfy the operation requirements of the switching converter .

UC3845AD Features


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

UC3845AD Applications


There are a lot of Texas Instruments UC3845AD DC to DC converter applications.

  • Grinders
  • Industrial robots
  • Electric water heaters
  • Pipe bending machines
  • Surface processing equipment
  • Constant current circuits
  • Gear/thread machining machines
  • Smart grid
  • Digital display device
  • Overvoltage protection circuits in TV sets
1. Purchase

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EmailEmail for receiving inquiries: jindawei@hkjdwchip.com

2. Means of Payment

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3. RFQ (Request for Quotations)

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2. Since inventories and prices may fluctuate to some extent, the sales manager is going to reconfirm the order and let you know if there are any updates.

4. Shipping Cost

Shipping starts at $40, but some countries will exceed $40. For example (South Africa, Brazil, India, Pakistan, Israel, etc.)
The basic freight (for package ≤0.5kg or corresponding volume) depends on the time zone and country.

Shipping Method

Currently, our products are shipped through DHL, FedEx, SF, and UPS.

Delivery Time

Once the goods are shipped, estimated delivery time depends on the shipping methods you chose:
FedEx International, 5-7 business days.
The following are some common countries' logistic time.

Purchasing and Inquiry

Payment Method

The fee is charged according to the rule of PayPal.
East West Bank charge US$30.00 banking fee.
The fee is charged according to the rule of PayPal.
Western Union charge US$0.00 banking fee.

Shipping

DHL(www.dhl.com)
From $40.00 basic shipping fee depend on zone and country.
UPS(www.ups.com)
From $40.00 basic shipping fee depend on zone and country.
FedEx(www.fedex.com)
From $40.00 basic shipping fee depend on zone and country.
Registered Mail(www.singpost.com)
From $10.00 basic shipping fee depend on different zone and country.

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

UC3845AD

technical specifications, attributes, parameters and parts with similar specifications to UC3845AD.

  • 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

  • Supply Voltage

    11V

  • Frequency

    450kHz

  • Base Part Number

    UC3845

  • Function

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

  • Number of Outputs

    1

  • Output Voltage

    5.1V

  • Output Type

    Transistor Driver

  • Input Voltage-Nom

    15V

  • Analog IC - Other Type

    SWITCHING CONTROLLER

  • Output Configuration

    Positive, Isolation Capable

  • Output Current

    200mA

  • Voltage - Supply (Vcc/Vdd)

    7.6V~30V

  • Quiescent Current

    11mA

  • 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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