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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.
Description
| 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 |
Features
- 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 |
|---|---|---|---|
MOSFET |
PFC・2 |
DTMOSIV/600 V/125 mΩ (max) @VGS = 10 V/TO-247 |
|
| SiC schotkky barrier diode | PFC・2 |
Second generation/650 V/8 A/TO-220F-2L |
|
MOSFET |
Primary side・4 |
DTMOSIV/600 V/140 mΩ (max) @VGS = 10 V/High-speed diode type/TO-247 |
|
MOSFET |
Secondary side・8 |
U-MOSVIII-H/200 V/29 mΩ (max) @VGS = 10 V/SOP Advance |
|
MOSFET |
Oring・4 |
U-MOSX-H/80 V/2.43 mΩ (max) @VGS = 10 V/SOP Advance |
|
Photocoupler |
Communication between primary side and secondary side・4 |
For high-speed communicaton/50 Mbps/Totem-pole ouput (INV)/5pin SO6L |
Documents
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