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UC3841DWG4

UC3841DWG4

UC3841DWG4

Texas Instruments

18 Terminals 8V~32V 18-Pin UC3841 DC to DC converter ICSWITCHING CONTROLLER 1 Outputs 500kHz Transistor Driver

SOT-23

UC3841DWG4 Datasheet

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Specifications
Name Value
Type Parameter
Mounting Type Surface Mount
Package / Case 18-SOIC (0.295, 7.50mm Width)
Surface Mount YES
Number of Pins 18
Operating Temperature 0°C~70°C TA
Packaging Tube
JESD-609 Code e4
Pbfree Code yes
Part Status Obsolete
Moisture Sensitivity Level (MSL) 2 (1 Year)
Number of Terminations 18
ECCN Code EAR99
Terminal Finish Nickel/Palladium/Gold (Ni/Pd/Au)
Additional Feature CURRENT MODE OPERATION IS ALSO POSSIBLE
Subcategory Switching Regulator or Controllers
Technology BIPOLAR
Terminal Position DUAL
Terminal Form GULL WING
Peak Reflow Temperature (Cel) 260
Frequency 450kHz
Base Part Number UC3841
Function Step-Up, Step-Up/Step-Down
Number of Outputs 1
Output Voltage 40V
Output Type Transistor Driver
Input Voltage-Nom 20V
Analog IC - Other Type SWITCHING CONTROLLER
Output Configuration Positive, Isolation Capable
Output Current 400mA
Voltage - Supply (Vcc/Vdd) 8V~32V
Control Features Current Limit, Enable, Frequency Control, Ramp, Reset, Soft Start
Topology Boost, Flyback, Forward Converter
Control Mode CURRENT-MODE
Frequency - Switching 500kHz
Control Technique PULSE WIDTH MODULATION
Synchronous Rectifier No
Nominal Input Voltage 30V
Switcher Configuration SINGLE
Max Duty Cycle 95 %
Height Seated (Max) 2.65mm
Width 7.5mm
RoHS Status ROHS3 Compliant
Lead Free Lead Free
UC3841DWG4 Product Details

UC3841DWG4 Overview


As a result of 18-SOIC (0.295, 7.50mm 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. A total of Transistor Driver dc switching's outputs can be handled by it. dc control's supply and operating voltages are 8V~32V. Suitable for a 0°C~70°C TA dc switcher. Using this switching controller, it is possible to switch at 500kHz. dc dc regulator is made easier with Surface Mount. The dcdc regulator features Current Limit, Enable, Frequency Control, Ramp, Reset, Soft Start for efficient switching control. A SWITCHING CONTROLLER analog IC is connected to the switch converters. Switching converters are designed with the terminal (s) at position DUAL . A variety of dc switching's functions can be performed on 18 terminations. The control methods that these dc dc converter ics use include PULSE WIDTH MODULATION. DC switcher's input voltageis 20V volts. You can find other relevant dc to dc converter ics by searching "UC3841". There are 18 pins on switching converter. In particular, switching converter belongs to the Switching Regulator or Controllers family. As determined by the test statistics, the output voltage of DC regulator is 40V. You should note that the dc dc regulator's usual output current is 400mA. Power-up and power-down reliability is ensured voltage regulator dc to dc by setting the maximum duty cycle to 95 %. Switching controller operates at 450kHz Hz. Hence, CURRENT MODE OPERATION IS ALSO POSSIBLE is used to better suit the DC to DC voltage regulator's situation. For nominal working status, the input voltage can be set as 30V.

UC3841DWG4 Features


Transistor Driver Outputs
Switching Frequency: 500kHz
Current Limit, Enable, Frequency Control, Ramp, Reset, Soft Start
PULSE WIDTH MODULATION
Max Duty Cycle: 95 %
Frequency: 450kHz
CURRENT MODE OPERATION IS ALSO POSSIBLE

UC3841DWG4 Applications


There are a lot of Texas Instruments UC3841DWG4 DC to DC converter applications.

  • Printing equipment
  • Automatic testing equipment
  • Automation technology
  • Computer monitoring equipment of building
  • Scientific testing
  • Elevator lighting
  • Laboratories
  • Die casting equipment
  • Product testing
  • Post equipment

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