100 W Power Supply for LED Lighting

This reference design provides design guide, data and other contents of the constant current 100 W Power Supply for LED Lighting with PFC and a wide range of input voltage i.e. AC90V to 264V.

Simple block diagram of 100 W power supply for LED Lighting.
Simple Block Diagram
Efficiency curves of 100 W power supply for LED Lighting.
Efficiency Curves


Input voltage AC 90 to 264 V
Output voltage DC 110 V
Output power 100 W
Circuit topology AC to DC Conversion via Flyback and PFC Circuit


Photo of 100 W power supply for LED Lighting.
  • Highly efficient and compact power supply
  • Conversion Efficiency:90 % (Vin = 230 V, 100 % Load)
  • Outline size:180 mm x 57 mm x 40 mm
  • Provides total solution using appropriate power devices (MOSFET) and photocouplers 

Reference design files

Design, Document

“Design・Document” contains the documents listed below.


Design, File

“Design・File” contains the contents listed below.

*1:Actual PCB was designed on CR5000BD. The other files were made from CR5000BD file.
*2:The data was generated on CR5000BD.

Toshiba items

Part Number Device Category Portion Usage Description
TK290A60Y MOSFET PFC・1 DTMOSⅤ/600 V/0.29 Ω (max) @VGS = 10 V/TO-220SIS 
TK290A65Y MOSFET Primary-side・1 DTMOSⅤ/650 V/0.29 Ω (max) @VGS = 10 V/TO-220SIS
TLP383 Photocoupler Output voltage feedback・1 DC input/Transistor output/BVS = 5000 Vrms/4pin SO6L



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