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UC3843D8

8 Terminals 12V~28V 8-Pin UC3843 DC to DC converter ICSWITCHING CONTROLLER 1 Outputs Up to 500kHz Transistor Driver


  • Manufacturer: Texas Instruments
  • Nocochips NO: 815-UC3843D8
  • Package: 8-SOIC (0.154, 3.90mm Width)
  • Datasheet: PDF
  • Stock: 161
  • Description: 8 Terminals 12V~28V 8-Pin UC3843 DC to DC converter ICSWITCHING CONTROLLER 1 Outputs Up to 500kHz Transistor Driver (Kg)

Details

Tags

Parameters
Subcategory Switching Regulator or Controllers
Technology BICMOS
Terminal Position DUAL
Terminal Form GULL WING
Peak Reflow Temperature (Cel) 260
Frequency 450kHz
Base Part Number UC3843
Function Step-Up, Step-Down, Step-Up/Step-Down
Number of Outputs 1
Output Voltage 5V
Output Type Transistor Driver
Input Voltage-Nom 15V
Analog IC - Other Type SWITCHING CONTROLLER
Operating Supply Current 11mA
Output Configuration Positive
Power Dissipation 650mW
Output Current 200mA
Voltage - Supply (Vcc/Vdd) 12V~28V
Quiescent Current 11mA
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 15V
Max Duty Cycle 100 %
Input Current 11mA
Duty Cycle (Max) 97%
Height 1.75mm
Length 4.9mm
Width 3.91mm
Thickness 1.58mm
REACH SVHC No SVHC
RoHS Status ROHS3 Compliant
Lead Free Lead Free
Factory Lead Time 1 Week
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 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)

UC3843D8 Overview


As a result of 8-SOIC (0.154, 3.90mm Width) compact design, the switching controller is compatible with most applications. This dc motor controller can be used to generate outputs with 1 numbers. Packaged in solid enclosures, this pmic has a Tube rating. With Transistor Driver dc switching's output (s), it is able to handle it. This dc control operates at 12V~28V and has a 12V~28V supply voltage. Worked in a 0°C~70°C TA dc switcher before. The switching controller is capable of switching at the Up to 500kHz position. dc dc regulators can be carried out with Surface Mount. To provide efficient switching control, Frequency Control is included in the dcdc regulator. The switch converters are connected to an analog IC with a SWITCHING CONTROLLER output. DUAL are the position of the terminal of the switching converters. An array of 8 terminations of dc switching. Some of the control techniques adapted by these dc dc converter ics include PULSE WIDTH MODULATION. DC switcher's input voltageis 15V volts. Searching "UC3843" will return other relevant dc to dc converter ics. There are a total of 8 pins on switching converter. Switching converter type is specifically Switching Regulator or Controllers. The test statistics indicate that DC regulator outputs a voltage of 5V. If you are starting a new project, you should note the dc dc regulator's typical output current is 200mA. During power-up and power-down, the maximum duty cycle of the voltage regulator dc to dc is set to 100 %. 450kHz is the frequency of the switching controller. In dormant mode, 11mA is used. A nominal working status is achieved when the input voltage is set to 15V. In order to ensure proper operation, the controller should not receive more current than 25mA. 11mA volts is the supply current. An input flow rate of 11mA could satisfy the switching converter 's operation requirements.

UC3843D8 Features


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

UC3843D8 Applications


There are a lot of Texas Instruments UC3843D8 DC to DC converter applications.

  • Balance equipment
  • Various CNC machine tools
  • Elevator lighting
  • Computed tomography (CT)
  • Wide-range voltage regulation circuits
  • Computer rooms
  • Driver circuits
  • Linear guide
  • Window air conditioners
  • Refrigerators of central air conditioners

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