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.

Photo of 100 W power supply for LED Lighting.
TK290A60Y TK290A65Y TLP383

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  • 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


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
Efficiency curves of 100 W power supply for LED Lighting.
Efficiency Curves

Design Documents

Design Documents contain the documents below.

Design Data

Design Data 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.

Used Toshiba Items

Part Number Device Category Portion Usage Description
Power MOSFET (N-ch 500V<VDSS≤700V) PFC・1 N-ch MOSFET, 600 V, 0.29 Ω@10V, TO-220SIS, DTMOSⅤ
Power MOSFET (N-ch 500V<VDSS≤700V) Primary-side・1 N-ch MOSFET, 650 V, 0.29 Ω@10V, TO-220SIS, DTMOSⅤ
Photocoupler (phototransistor output) Output voltage feedback・1 Photocoupler (phototransistor output), DC input, 5000 Vrms, 4pin SO6L

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