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  • TOP222YN IC - Power Integrations - Off Line Switcher IC

TOP222YN belongs to TOP Switch-II Family from the manufacturer "Power Integration". It is three-Terminal Off-Line PWM Switch. Description The second generation TOP Switch™-II family is more cost effective and provides several enhancements over the first generation TOP Switch family. The TOP Switch-II family extends the power range from 100W to 150W for 100/115/ 230 VAC input and from 50W to 90W for 85-265 VAC universal input. This brings TOP Switch technology advantages to many new applications, i.e. TV, Monitor, Audio amplifiers, etc. Many significant circuit enhancements that reduce the sensitivity to board layout and line transients now make the design even easier. The standard 8L PDIP package option  reduces cost in lower power, high efficiency applications. The internal lead frame of this package uses six of its pins to transfer heat from the chip directly to the board, eliminating the cost of a heat sink. TOP Switch incorporates all functions necessary for a switched mode control system into a three terminal monolithic IC: power MOSFET, PWM controller, high voltage start up circuit, loop compensation and fault protection circuitry. 


  • Lowest cost, lowest component count switcher solution
  • Cost competitive with linears above 5 W
  • Very low AC/DC losses – up to 90% efficiency
  • Built-in Auto-restart and Current limiting
  • Latching Thermal shutdown for system level protection
  • Implements Flyback, Forward, Boost or Buck topology
  • Works with primary or opto feedback
  • Stable in discontinuous or continuous conduction mode
  • Source connected tab for low EMI
  • Circuit simplicity and Design Tools reduce time to market 


Part Number Single Voltage Input
 100/115/230 VAC ±15%
Wide Range Input
 85 to 265 VAC
TOP222YN 25 W 15 W
DRAIN Voltage 0.3 to 700 V
CONTROL Voltage 0.3 to 9 V
CONTROL Current 100 mA
Storage Temperature -65 to 150 °C
Operating Junction Temperature( -40 to 150 °C
Lead Temperature 260 °C

Related Document:-

 TOP222YN IC Data Sheet

Brand/Manufacturer Generic
Country Of Origin China
Packer / Importer Address Constflick Technologies Limited, Building No 13 and 14, 3rd Floor, 2nd Main, Siddaiah Road, Bangalore, Karnataka - 560027 India.
MRP Rs. 171.1 (Inclusive of all Taxes)
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TOP222YN IC - Power Integrations - Off Line Switcher IC

  • Product Code: EC-2542
  • Availability: 449
  • Rs.115.00
  • (Excluding 18% GST)


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