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UC2851NG4

UC2851NG4

UC2851NG4

Texas Instruments

18 Terminations 18 Pin AC to DC power converter 1 Outputs 500kHz

SOT-23

UC2851NG4 Datasheet PDF

non-compliant

Technical Specifications

Parameter NameValue
TypeParameter
Package / Case PDIP
Surface MountNO
Number of Pins 18
Weight 1.206102g
PackagingRail/Tube
JESD-609 Code e4
Number of Terminations 18
ECCN Code EAR99
Terminal Finish Nickel/Palladium/Gold (Ni/Pd/Au)
Max Operating Temperature85°C
Min Operating Temperature -40°C
Additional FeatureCURRENT MODE OPERATION IS ALSO POSSIBLE
Terminal Position DUAL
Terminal FormTHROUGH-HOLE
Number of Functions 1
Terminal Pitch2.54mm
Frequency 450kHz
Pin Count18
Number of Outputs 1
Input Voltage-Nom 20V
Temperature GradeINDUSTRIAL
Max Supply Voltage30V
Min Supply Voltage8V
Analog IC - Other Type SWITCHING CONTROLLER
Power Dissipation-Max 1W
Nominal Supply Current15mA
Current - Output 400mA
Voltage - Output 40V
Topology Flyback, Boost
Control Mode VOLTAGE-MODE
Frequency - Switching 500kHz
Control Technique PULSE WIDTH MODULATION
Rise Time50ns
Fall Time (Typ) 50 ns
Nominal Input Voltage30V
Switcher Configuration SINGLE
Power - Output 1W
Max Duty Cycle 46 %
Isolation Non-Isolated
Duty Cycle (Max) 46 %
Length 22.48mm
Height Seated (Max) 5.08mm
Width 7.62mm
Radiation HardeningNo
RoHS StatusRoHS Compliant
Lead Free Lead Free
In-Stock:1179 items

UC2851NG4 Product Details

UC2851NG4 Overview


It is embedded in package PDIP .You can get it in AC/DC power converter Rail/Tube .Analog IC type SWITCHING CONTROLLER is utilized in this AC DC converter.As a result, the switching frequency reaches 500kHz .There have been 18 terminations of this program.Approximately 18 pins are present on the ac/dc converter.The pins of the ac-dc converter total to 18 .In this AC to DC transformer, there are 1 outputs to run.As long as AC to DC converter is operated at frequency 450kHz ,it is capable of attaining high efficiency.It is also possible to determine CURRENT MODE OPERATION IS ALSO POSSIBLE using this ACDC converter.When 85°C is set to the maximum, the AC to DC power converter will run continuously.There must be a minimum working temperature of -40°C for this isolated switch.It provides maximum design flexibility due to its 400mA output current.The AC to DC power supply can function with a minimum supply voltage of 8V volts.There is 40V output voltage from it.

UC2851NG4 Features


Packaged with PDIP
Switching Frequency at 500kHz
With 18 pins


UC2851NG4 Applications


There are a lot of Texas Instruments
UC2851NG4 AC DC Converters applications.


  • Adaptors for DSCs
  • Set-top boxes
  • DVD players
  • Records
  • Linear Adapter Replacements
  • Chargers for cell/cordless phones
  • PDAs
  • MP3
  • Portable audio
  • Adapters

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