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500 W Server Power Supply
This reference design provides design guide, data and other contents of 500 W server power supply using continuous current mode PFC and LLC DC-DC converter.
Description
| Input voltage | AC 90 to 264 V |
|---|---|
| Output voltage | DC 12 V |
| Output power | 500 W |
| Circuit topology | Continuous Current Mode PFC, LLC (Half-Bridge) ＋ Synchronous Rectification, Oring Circuit for Output |
Features
- 1 U rack size and high efficiency power supply
- Total efficiency：93 % (Vin = 230 V at 100 % load)
- Outline size：240 mm x 135 mm x 40 mm
- 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・1 |
DTMOSVI/650 V/90 mΩ (max) @VGS = 10 V/TO-220SIS |
|
| SiC schotkky barrier diode | PFC・1 |
Second generation/650 V/6 A/TO-220-2L |
|
MOSFET |
Primary side・2 |
DTMOSIV/600 V/175 mΩ (max) @VGS = 10 V/TO-220SIS |
|
MOSFET |
Secondary side・4 |
U-MOSIX-H/60 V/1.28 mΩ (max) @VGS = 10 V/SOP Advance |
|
MOSFET |
Oring・3 |
U-MOSIX-H/30 V/0.92 mΩ (max) @VGS = 10 V/SOP Advance |
|
Photocoupler |
Output voltage feedback・1 |
DC input/Transistor output/BVS = 5000 Vrms/DIP4(TLP785F) |
Documents
Video
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