Non-Isolated Buck DC-DC Converter
This reference design provides design guide, data and other contents of multiple non-isolated buck DC-DC converter power supplies. Multiple variations of the power supply are optimized for various outputs, loads and board mounting areas.
Description
| Input voltage | DC 12 V |
|---|---|
| Output voltage/current | 5V/5A、5V/8A、5V/12A、3.3V/10A、3.3V/13.3A、3.3V/18.2A、1.5V/10A、1.05V/10A |
| Optimization | Each design is optimized for efficiency at 50% load and 100% load and also for small size |
| Design Variations | 24 |
Features
- Non-Isolated Buck DC-DC Converter with synchronous rectification
- 8 power supply circuit designs with different output voltage and output power
- Each power supply circuit design has 3 variations
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 |
|---|---|---|---|
| TPH3R203NL | MOSFET | High-side | 30 V/3.2 mΩ (max) @VGS = 10 V/SOP Advance |
| TPH4R003NL | MOSFET | High-side | 30 V/4 mΩ (max) @VGS = 10 V/SOP Advance |
| TPH8R903NL | MOSFET | High-side/Low-side | 30 V/8.9 mΩ (max) @VGS = 10 V/SOP Advance |
| TPH11003NL | MOSFET | High-side/Low-side | 30 V/11 mΩ (max) @VGS = 10 V/SOP Advance |
| TPN4R303NL | MOSFET | High-side | 30 V/4.3 mΩ (max) @VGS = 10 V/TSON Advance |
| TPN8R903NL | MOSFET | High-side/Low-side | 30 V/8.9 mΩ (max) @VGS = 10 V/TSON Advance |
| TPN11003NL | MOSFET | High-side | 30 V/11 mΩ (max) @VGS = 10 V/TSON Advance |
| TPHR6503PL1 | MOSFET | Low-side | 30 V/0.65 mΩ (max) @VGS = 10 V/SOP Advance(N) |
| TPHR9203PL1 | MOSFET | Low-side | 30 V/0.92 mΩ (max) @VGS = 10 V/SOP Advance(N) |
| TPH2R003PL | MOSFET | Low-side | 30 V/2 mΩ (max) @VGS = 10 V/SOP Advance |
| TPH2R903PL | MOSFET | Low-side | 30 V/2.9 mΩ (max) @VGS = 10 V/SOP Advance |
| TPH4R803PL | MOSFET | Low-side | 30 V/4.8 mΩ (max) @VGS = 10 V/SOP Advance |
| TPN1R603PL | MOSFET | Low-side | 30 V/1.6 mΩ (max) @VGS = 10 V/TSON Advance |
| TPN2R903PL | MOSFET | Low-side | 30 V/2.9 mΩ (max) @VGS = 10 V/TSON Advance |
| TPN5R203PL | MOSFET | Low-side | 30 V/5.2 mΩ (max) @VGS = 10 V/TSON Advance |
*: New product
Documents
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