Part Number Search

Cross Reference Search

About information presented in this cross reference

The information presented in this cross reference is based on TOSHIBA's selection criteria and should be treated as a suggestion only. Please carefully review the latest versions of all relevant information on the TOSHIBA products, including without limitation data sheets and validate all operating parameters of the TOSHIBA products to ensure that the suggested TOSHIBA products are truly compatible with your design and application.
Please note that this cross reference is based on TOSHIBA's estimate of compatibility with other manufacturers' products, based on other manufacturers' published data, at the time the data was collected.
TOSHIBA is not responsible for any incorrect or incomplete information. Information is subject to change at any time without notice.

Keyword Search

Parametric Search

Stock Check & Purchase

1.6 kW 48 V Output Telecommunication Equipment Power Supply

This reference design provides design guide, data and other contents of 1.6 kW 48 V output power supply using semi-bridgeless PFC and isolated phase-shift full-bridge DC-DC converter.

Simple block diagram of 1.6 kW 48 V output telecommunication equipment power supply.
Simple Block Diagram
Efficiency curves of 1.6 kW 48 V output telecommunication equipment power supply.
Efficiency Curves


Input voltage AC 90 to 264 V
Output voltage DC 48 V
Output power 0.8 kW (AC 100 V system input), 1.6 kW (AC 200 V system input)
Circuit topology Semi-Bridgeless PFC, Phase-Shift Full-Bridge + Synchronous Rectification, Oring Circuit for Output


Exterior photo of 1.6 kW 48 V output telecommunication equipment power supply.
  • 1U rack size high efficiency high power output power supply
  • Output voltage 48 V
  • Total efficincy:94.6 % (Vin = 230V at 100 % load condition)
  • Outline size:318 mm x 127 mm x 43 mm (including the base plate under the PCB and top plate covering over the heatsinks)
  • Provides appropriate power devices (MOSFET and SiC diode) and photocouplers totally

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




DTMOSIV/600 V/125 mΩ (max) @VGS = 10 V/TO-247


SiC schotkky barrier diode


Second generation/650 V/8 A/TO-220F-2L



Primary side・4

DTMOSIV/600 V/140 mΩ (max) @VGS = 10 V/High-speed diode type/TO-247



Secondary side・8

U-MOSVIII-H/200 V/29 mΩ (max) @VGS = 10 V/SOP Advance




U-MOSX-H/80 V/2.43 mΩ (max) @VGS = 10 V/SOP Advance



Communication between primary side and secondary side・4

For high-speed communicaton/50 Mbps/Totem-pole ouput (INV)/5pin SO6L



Technical inquiry

Contact us

Contact us

Frequently Asked Questions

A new window will open