UC3844AD8TR

Texas Instruments UC3844AD8TR

Part Number:
UC3844AD8TR
Manufacturer:
Texas Instruments
Ventron No:
3246795-UC3844AD8TR
Description:
30-V, 1A, 500KHz current mode PWM controller with 16V/10V UVLO 50% duty cycle, 0°C to 70°C
ECAD Model:
Datasheet:
uc3844a

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Specifications
Texas Instruments UC3844AD8TR technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments UC3844AD8TR.
  • Factory Lead Time
    6 Weeks
  • Lifecycle Status
    ACTIVE (Last Updated: 1 day ago)
  • Mounting Type
    Surface Mount
  • Package / Case
    8-SOIC (0.154, 3.90mm Width)
  • Surface Mount
    YES
  • Number of Pins
    8
  • Weight
    72.603129mg
  • Operating Temperature
    0°C~70°C TA
  • Packaging
    Tape & Reel (TR)
  • JESD-609 Code
    e4
  • Pbfree Code
    yes
  • Part Status
    Active
  • Moisture Sensitivity Level (MSL)
    1 (Unlimited)
  • Number of Terminations
    8
  • 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
    UC3844
  • Function
    Step-Up, Step-Down, Step-Up/Step-Down
  • Number of Outputs
    1
  • Output Voltage
    15V
  • Output Type
    Transistor Driver
  • Input Voltage-Nom
    15V
  • Analog IC - Other Type
    SWITCHING CONTROLLER
  • Output Configuration
    Positive
  • Output Current
    200mA
  • Voltage - Supply (Vcc/Vdd)
    10V~30V
  • Control Features
    Frequency Control
  • Topology
    Boost, Buck, Buck-Boost, Flyback, Forward
  • Control Mode
    CURRENT-MODE
  • Frequency - Switching
    Up to 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
  • Max Duty Cycle
    50 %
  • Duty Cycle (Max)
    48%
  • Height
    1.75mm
  • Length
    4.9mm
  • Width
    3.91mm
  • Thickness
    1.58mm
  • RoHS Status
    ROHS3 Compliant
  • Lead Free
    Lead Free
Description
UC3844AD8TR Overview
This switching controller fits most application requirements since it is packaged in a 8-SOIC (0.154, 3.90mm Width) package. The dc motor controller is adquate to generate for 1 outputs. Packaged in solid enclosures, this pmic has a Tape & Reel (TR) rating. The system can process Transistor Driver dc switching's outputs (s). dc control's supply and operating voltages are 10V~30V. Qualified to work in a 0°C~70°C TA dc switcher. There is a switch at Up to 500kHz that can be used with this controller. A generalization of dc dc regulator can be made using Surface Mount. In order to control switching efficiently, the dcdc regulator features Frequency Control. Switch converters are connected to ICs with SWITCHING CONTROLLER analog outputs. The switching converters's terminal (s) are designed at DUAL . There are many different types of terminations for 8. PULSE WIDTH MODULATION is an example of one of the control techniques these dc dc converter ics adapt. A DC switcher's nominal voltage of 15V is input. A search for "UC3844" will reveal other relevant dc to dc converter ics. There are a total of 8 pins on switching converter. Switching converter is a type of Switching Regulator or Controllers in particular. Statistically, DC regulator outputs 15V volts. The dc dc regulator's usual output current is 200mA, which should be noted down when you start a project. A duty cycle set at 50 % ensures voltage regulator dc to dc reliability during power-on and power-off. Switching controller operates at 450kHz Hz. For nominal working status, the input voltage can be set as 25V. Switching controller is necessary to provide a voltage of 11V. You should not supply more current than 25mA to the controller.

UC3844AD8TR Features
Transistor Driver Outputs
Switching Frequency: Up to 500kHz
Frequency Control
PULSE WIDTH MODULATION
Max Duty Cycle: 50 %
Frequency: 450kHz

UC3844AD8TR Applications
There are a lot of Texas Instruments UC3844AD8TR DC to DC converter applications.

Alternators
seismic instrument power circuits
Constant current circuits
Lathes
Hydro power
Surface processing equipment
Flaw detection equipment
Computer rooms
Scientific testing
Printing equipment
UC3844AD8TR More Descriptions
30-V, 1A, 500KHz current mode PWM controller with 16V/10V UVLO 50% duty cycle, 0°C to 70°C 8-SOIC 0 to 70
Current Mode PWM Controller -0.1V to 11V 1A 500kHz 8-Pin SOIC T/R
UC3844 Boost Buck Buck-Boost Flyback Forward Tape & Reel (TR) e4 DC to DC switching controller 50ns 200mA 72.603129mg 15V
IC, CURRENT MODE PWM CTRL, 25V, 8-SOIC
PWM Power Supply Controllers Current-Mode PWM Controller
UCx84xA Current-Mode PWM Controller
UC3844A CURRENT MODE PWM CONTROL
Certification
  • ISO 9001
  • ISO 13485
  • ISO 45001
  • ASA
  • ESD
  • DUNS
  • SMTA
  • ROHS

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