200W AC-DC Power Supply

This reference design provides specification, block diagram and PCB layout data of DC24V/200W AC-DC power supply suitable for consumer applications and embedded power supply.

Block diagram of 200W AC-DC power supply.

Features

  • Total efficiency : 93.5%(Vin=230V, 100% load)
  • Outline size : 225mm x 120mm x 65mm(including the base plate under the PCB and the heatsinks)
  • Provides appropriate power MOSFETs and photocouplers totally.

Description

Input voltage AC 90 to 264V
Output voltage DC 24V
Output power 200W
Circuit topology PFC, LLC + Synchronous Rectification
Efficiency curves of 200W AC-DC power supply.
Efficiency curves

Design Documents

Design Documents contain the documents below.

Design Data

Design Data contains the contents listed below.

Used Toshiba Items

Part Number Device Category Portion Usage Description
Power MOSFET (N-ch 500V<VDSS≤700V) PFC・１,Primary side・2 N-ch MOSFET, 650 V, 0.29 Ω@10V, TO-220SIS, DTMOSⅤ
Power MOSFET (N-ch single 30V<VDSS≤60V) Secondary side・2 N-ch MOSFET, 60 V, 0.0095 Ω@10V, SOP Advance, U-MOSⅨ-H
Photocoupler (phototransistor output) Communication between primary side and secondary side・2 Photocoupler (phototransistor output), DC input, 5000 Vrms, DIP4(TLP785F)

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