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PoE Powered-Device (PD) Full Design Packages
Maxim provides reference designs that are thoroughly tested and verified for PD applications to help you bring your product to market quickly.
Every reference design contains functional circuit characteristics and a schematic. Upon request, Maxim will also send you a complete suggested bill of materials (BOM) for each reference design.
| Design |
VOUT at IOUT |
Total
Output
Power (W) |
Power Class |
Topology |
Main Features |
Action |
| Reference design 4940 |
3.3V at 1A,
5V at 0.8A |
7.3 |
Class 2 |
Isolated
flyback |
- Inductive (non-opto) feedback
- Synchronous rectification
- 84.5% efficiency |
Download reference design |
| Reference design 4983 |
5V at 2.6A |
12.5 |
Class 3 |
Isolated
flyback |
- Wide 9V to 57V input range
- Synchronous rectification
- 87.4% efficiency |
Download reference design |
| Reference design 4984 |
12V at 1A |
12 |
Class 3 |
Isolated
flyback |
- Inductive feedback
- Synchronous rectification
- Most compact, lowest cost
- 93.3% efficiency |
Download reference design |
| Reference design 5043 |
3.3V at 3.35A,
8.8V at 4.6A |
55 |
Class 5, high power |
Isolated active-clamped forward |
- High power
- Low EMI
- Synchronous rectification
- 90% efficiency |
Download reference design |
| Reference design 5044 |
5V at 4.8A |
25 |
Class 4 |
Isolated active-clamped forward |
- Inductive feedback
- Low EMI
- Synchronous rectification
- 92% efficiency |
Download reference design |
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