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UC3851DWTR

18 Terminations7.8V~32V 18 Pin UC3851 AC to DC power converter1 OutputsUp to 500kHz


  • Manufacturer: Texas Instruments
  • Origchip NO: 815-UC3851DWTR
  • Package: 18-SOIC (0.295, 7.50mm Width)
  • Datasheet: PDF
  • Stock: 436
  • Description: 18 Terminations7.8V~32V 18 Pin UC3851 AC to DC power converter1 OutputsUp to 500kHz (Kg)

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Details

Tags

Parameters
Factory Lead Time 6 Weeks
Lifecycle Status ACTIVE (Last Updated: 3 days ago)
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 Tape & Reel (TR)
JESD-609 Code e4
Pbfree Code yes
Part Status Active
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 BICMOS
Terminal Position DUAL
Terminal Form GULL WING
Peak Reflow Temperature (Cel) 260
Number of Functions 1
Frequency 450kHz
Base Part Number UC3851
Pin Count 18
Number of Outputs 1
Output Voltage 40V
Input Voltage-Nom 20V
Analog IC - Other Type SWITCHING CONTROLLER
Nominal Supply Current 15mA
Output Current 400mA
Voltage - Supply (Vcc/Vdd) 7.8V~32V
Output Power 1W
Control Features Frequency Control, Soft Start
Topology Boost, Buck, Flyback, Forward
Control Mode VOLTAGE-MODE
Frequency - Switching Up to 500kHz
Control Technique PULSE WIDTH MODULATION
Rise Time 50ns
Fall Time (Typ) 50 ns
Nominal Input Voltage 30V
Switcher Configuration BUCK-BOOST
Internal Switch(s) No
Fault Protection Current Limiting, Over Voltage
Max Duty Cycle 46 %
Isolation Non-Isolated
Duty Cycle 50%
Voltage - Start Up 8V
Height 2.65mm
Length 11.5mm
Width 7.5mm
Thickness 2.35mm
RoHS Status ROHS3 Compliant
Lead Free Lead Free

UC3851DWTR Overview


This ac to dc converter is included in the package 18-SOIC (0.295, 7.50mm Width) .The AC/DC power converter type is Tape & Reel (TR) .There is a mounting point for this AC/DC converter in the way of Surface Mount .It is recommended that the ac dc converter be operated at a temperature of 0°C~70°C TA in order to ensure its performance.The AC DC converter uses a type SWITCHING CONTROLLER analog integrated circuit.When the switching frequency reaches Up to 500kHz , the circuit is closed.Within the range of 7.8V~32V supply voltage (Vcc/Vdd), it can be used.As a result, it has had 18 terminations.The ac/dc converter has a total of 18 pins.Up to 18 pins are present on the ac-dc converter.Search similar acdc converters based on UC3851 family members.There are 1 outputs to be processed.The ac to dc conversions are contained in Switching Regulator or Controllers .Current output is set to 400mA .This AC/DC converter produces a voltage of 40V as its output.This power AC DC is capable of reaching high efficiency when operating at a frequency of 450kHz .In the AC to DC transformer of a coverter, the output power generated is 1W .It is also possible to determine CURRENT MODE OPERATION IS ALSO POSSIBLE using this ACDC converter.

UC3851DWTR Features


Packaged with 18-SOIC (0.295, 7.50mm Width)
Switching Frequency at Up to 500kHz
With 18 pins
Output Current at 400mA

UC3851DWTR Applications


There are a lot of Texas Instruments UC3851DWTR AC DC Converters applications.

  • Linear Adapter Replacements
  • AC--DC Adapter
  • Appliance Power Supplies
  • WiFi Wireless
  • MPS parts
  • Automotive Clusters
  • AC/DC Adaptors/Chargers for PDAs
  • Power adapters for network devices
  • AC/DC LED Driver applications
  • Power adapters for monitors