UC2843N

Texas Instruments UC2843N

Part Number:
UC2843N
Manufacturer:
Texas Instruments
Ventron No:
3287921-UC2843N
Description:
30-V, 1-A, 500KHz current mode PWM controller with 8.4V/7.6V UVLO 100% duty cycle, -40C to 85C
ECAD Model:
Datasheet:
uc2843

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Specifications
Texas Instruments UC2843N technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments UC2843N.
  • Factory Lead Time
    6 Weeks
  • Lifecycle Status
    ACTIVE (Last Updated: 5 days ago)
  • Mount
    Through Hole
  • Mounting Type
    Through Hole
  • Package / Case
    8-DIP (0.300, 7.62mm)
  • Number of Pins
    8
  • Weight
    528.605208mg
  • Operating Temperature
    -40°C~85°C TA
  • Packaging
    Tube
  • 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
    BICMOS
  • Terminal Position
    DUAL
  • Terminal Pitch
    2.54mm
  • Frequency
    450kHz
  • Base Part Number
    UC2843
  • 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
  • Voltage
    30V
  • Analog IC - Other Type
    SWITCHING CONTROLLER
  • Output Configuration
    Positive
  • Power Dissipation
    1W
  • Output Current
    1A
  • Voltage - Supply (Vcc/Vdd)
    12V~28V
  • 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
    100 %
  • Input Current
    11mA
  • Duty Cycle (Max)
    97%
  • Height
    5.08mm
  • Length
    9.81mm
  • Width
    6.35mm
  • Thickness
    3.9mm
  • REACH SVHC
    No SVHC
  • RoHS Status
    ROHS3 Compliant
  • Lead Free
    Lead Free
Description
UC2843N Overview
The switching controller fits in the 8-DIP (0.300, 7.62mm) package and is ideal for most applications. There is enough capacity in the dc motor controller to generate the output for the 1 input. There is a Tube solid enclosure around the pmic. The system can process Transistor Driver dc switching's outputs (s). 12V~28V is the supply voltage and the operating voltage of the dc control. Worked in an dc switcher with a -40°C~85°C TA rating. There is a switch at Up to 500kHz that can be used with this controller. The Through Hole makes it ideal for general dc dc regulator. To ensure efficient switching, this dcdc regulator features a Frequency Control. The switch converters are connected to an analog IC with a SWITCHING CONTROLLER output. There are a terminal (s) on the switching converters that are designed at DUAL. A variety of terminations with 8 of dc switching. The control methods that these dc dc converter ics use include PULSE WIDTH MODULATION. The nominal DC switcher's voltage input is 15V. You can find other relevant dc to dc converter ics by searching "UC2843". The switching converter has a total of 8 pins. Switching converter type is specifically Switching Regulator or Controllers. Statistically, the DC regulator outputs 13.5V voltage. The dc dc regulator's usual output current is 1A, which should be noted down when you start a project. It is set to 100 % duty cycle to ensure voltage regulator dc to dc reliability during power-ups and power-downs. DC switcher's Through Hole qualifies it for most applications and prototypes. Switching controllers work at 450kHz Hz. It is possible to set the input voltage to 25V for nominal working status. There should be 25mA more than 25mA amps of current supplied to the controller. 11mA current flow input could be used to operate the switching converter .

UC2843N Features
Transistor Driver Outputs
Switching Frequency: Up to 500kHz
Frequency Control
PULSE WIDTH MODULATION
Max Duty Cycle: 100 %
Frequency: 450kHz

UC2843N Applications
There are a lot of Texas Instruments UC2843N DC to DC converter applications.

Game consoles
Sink circuits
Machining centers
Electrical power transmission
Industrial controllers
Surge protection circuits
Automatic plug-in machines
Flaw detection equipment
Telecommunications equipment
Current source circuits
UC2843N More Descriptions
TEXAS INSTRUMENTS UC2843NController PWM, 25V-12V supply, 500 kHz, 13.5V/1A out, DIP-8
Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BICMOS, PDIP8
IC, CONTROLLER, PWM; Tension, entrée: 25V; Tension, sortie: 13.5V; Courant, sortie: 1A; Tension, alimentation min.: 12V; Tension, alimentation max..: 25V; Type de boîtier de contrôleur: DIP; Nombre de broches: 8Broche(s); Fréqu
Ic, Controller, Pwm; Input Voltage:25V; Output Voltage:13.5V; Output Current:1A; Supply Voltage Min:12V; Supply Voltage Max:25V; Controller Ic Case Style:Dip; No. Of Pins:8Pins; Frequency:500Khz; Operating Temperature Min:-40°C; Rohs Compliant: Yes |TEXAS INSTRUMENTS UC2843N
Certification
  • ISO 9001
  • ISO 13485
  • ISO 45001
  • ASA
  • ESD
  • DUNS
  • SMTA
  • ROHS

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