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UC3851N

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


  • Manufacturer: Texas Instruments
  • Nocochips NO: 815-UC3851N
  • Package: 18-DIP (0.300, 7.62mm)
  • Datasheet: PDF
  • Stock: 521
  • Description: 18 Terminations7.8V~32V 18 Pin UC3851 AC to DC power converter1 OutputsUp to 500kHz (Kg)

Details

Tags

Parameters
Factory Lead Time 1 Week
Lifecycle Status ACTIVE (Last Updated: 2 days ago)
Mounting Type Through Hole
Package / Case 18-DIP (0.300, 7.62mm)
Surface Mount NO
Number of Pins 18
Weight 1.206102g
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 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
Max Power Dissipation 1W
Technology BICMOS
Terminal Position DUAL
Number of Functions 1
Terminal Pitch 2.54mm
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 CURRENT/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 5.08mm
Length 22.48mm
Width 6.35mm
Thickness 4.57mm
REACH SVHC No SVHC
RoHS Status ROHS3 Compliant
Lead Free Lead Free

UC3851N Overview


18-DIP (0.300, 7.62mm) is the package in which the ac to dc converter is embedded.In Tube AC/DC power converter, it is available.It is mounted in the way of Through Hole .The ac dc converter needs to be operated at 0°C~70°C TA °C in order to perform.The AC DC converter uses a type SWITCHING CONTROLLER analog integrated circuit.As a result, the switching frequency reaches Up to 500kHz .This AC/DC converter is suitable for operation in the range of 7.8V~32V supply voltage (Vcc/Vdd).It has a total of 18 terminations.On the ac/dc converter, there are 18 pins.There are 18 pins in the ac-dc converter.A similar acdc converter can be searched by using the UC3851 family.Running 1 outputs is available.Switching Regulator or Controllers contains the ac to dc conversions.400mA is set as the output current.As a result, its output voltage is 40V .A high efficiency is achieved when operating at a frequency of 450kHz .You can read the standard for REACH SVHC at: No SVHC .There is 1W output power generated by a coverter.Additionally, CURRENT MODE OPERATION IS ALSO POSSIBLE can be discovered using this ACDC converter.

UC3851N Features


Packaged with 18-DIP (0.300, 7.62mm)
Switching Frequency at Up to 500kHz
With 18 pins
Output Current at 400mA

UC3851N Applications


There are a lot of Texas Instruments UC3851N AC DC Converters applications.

  • Standby and Auxiliary Power Supplies
  • 3.3V power supplies
  • Digital cameras
  • Battery chargers for mobile devices with touchpad display
  • PDAs
  • LED Driver
  • Open Frame Switching Power Supply
  • Standby power
  • LED lights
  • Cleaners

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