UCC2818AD (SOIC-16) Bi CMOS Power Factor Pre regulator IC

UCC2818AD (SOIC-16) Bi CMOS Power Factor Pre regulator IC

The UCC2818AD family of PFC Controllers is directly pin for pin compatible with the UCC2818AD family of devices. Only the output stage of UCC2818AD family has been modified to allow use of a smaller external gate drive resistor values. For some power supply designs where an adequately high enough gate drive resistor can not be used, the UCC2818AD family offers a more robust output stage at the cost of increasing the internal gate resistances. The gate drive of the UCC2818AD family however remains strong at ±1.2 A of peak current capability.

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• Controls Boost Pre regulator to Near-Unity Power Factor
  

• Limits Line Distortion
  

• World Wide Line Operation
  

• Overvoltage Protection
  

• Accurate Power Limiting
  

• Average Current Mode Control
  

• Improved Feed-Forward Line Regulation
  

• Leading Edge Modulation
  

• 150-µA Typical Start-Up Current
  

• Low-Power Bi CMOS Operation
  

• Frequency Range of 6 kHz to 220 kHz
  

Applications of UCC2818AD (SOIC-16) Bi CMOS Power Factor Pre regulator IC

• PC Power
  

• Consumer Electronics
  

• Lighting
  

• Industrial Power Supplies
  

• IEC6100-3-2 Compliant Supplies Less Than 300 W
  

Package Includes

• 1 x UCC2818AD (SOIC-16) Bi CMOS Power Factor Pre regulator IC