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UC3844DG4

UC3844DG4

UC3844DG4

Texas Instruments

14 Terminations 14 Pin AC to DC power converter 1 Outputs 500kHz

SOT-23

UC3844DG4 Datasheet PDF

non-compliant

Technical Specifications

Parameter NameValue
TypeParameter
Package / Case SOIC
Surface MountYES
Number of Pins 14
Weight 122.413241mg
JESD-609 Code e4
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Number of Terminations 14
ECCN Code EAR99
Terminal Finish Nickel/Palladium/Gold (Ni/Pd/Au)
Max Operating Temperature70°C
Min Operating Temperature 0°C
Terminal Position DUAL
Terminal FormGULL WING
Peak Reflow Temperature (Cel) 260
Number of Functions 1
Frequency 450kHz
Pin Count14
Number of Outputs 1
Output Voltage 5V
Input Voltage-Nom 15V
Temperature GradeCOMMERCIAL
Max Supply Voltage30V
Analog IC - Other Type SWITCHING CONTROLLER
Current - Output 200mA
Voltage - Output 13.5V
Topology Flyback, Boost
Control Mode CURRENT-MODE
Frequency - Switching 500kHz
Control Technique PULSE WIDTH MODULATION
Rise Time50ns
Fall Time (Typ) 50 ns
Nominal Input Voltage25V
Switcher Configuration SINGLE
Max Duty Cycle 50 %
Duty Cycle (Max) 50 %
Height 1.58mm
Length 8.65mm
Width 3.91mm
Radiation HardeningNo
RoHS StatusRoHS Compliant
Lead Free Lead Free
In-Stock:3526 items

UC3844DG4 Product Details

UC3844DG4 Overview


This ac to dc converter is included in the package SOIC .A SWITCHING CONTROLLER analog integrated circuit is used in this AC DC converter.As soon as the switching frequency reaches 500kHz , the circuit is closed.Total terminations are 14 .On this ac/dc converter, there are 14 pins.In this ac-dc converter, there are 14 pins.A total of 1 outputs need to be run.In this AC to DC transformer, the output voltage is 5V .The power AC DC is capable of high efficiency when operated at a frequency of 450kHz .By setting the maximum value to 70°C , stability is ensured.A minimum working temperature of 0°C is required for this isolated switch.Due to the fact that it has a 200mA output current, it offers maximum design flexibility.The output voltage is 13.5V .

UC3844DG4 Features


Packaged with SOIC
Switching Frequency at 500kHz
With 14 pins


UC3844DG4 Applications


There are a lot of Texas Instruments
UC3844DG4 AC DC Converters applications.


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

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