The Si3406 isolated Flyback evaluation board is a reference design for a power supply in a Power over Ethernet (PoE) Powered Device (PD) application.
This Si3406-Flyback EVB provides simple and low-cost solution with different output voltages and power levels.
The Si3406 IC integrates an IEEE 802.3at compatible PoE interface as well as a current control-based dc/dc converter.
The Si3406 PD integrates an internal rectifier bridge, detection circuit, classification circuit, dc/dc switch, hotswap switch, TVS overvoltage protection, dynamic soft-start circuit, cycle-by-cycle current limit, thermal shutdown, optional synchronous secondary rectification driver, automatic and user mode MPS generation, and inrush current protection.
| Manufacturer | Skyworks Solutions Inc. |
|---|---|
| Category | Power Management |
| Sub-Category | POE - Power Over Ethernet |
| Eval Board Part Number | 863-SI3406FB3V2-KIT-ND |
| Eval Board Supplier | Skyworks Solutions Inc. |
| Eval Board |
Normally In Stock
|
| Compliance |
IEEE 802.3af (802.3at Type 1)
|
| Outputs and Type |
1 Isolated
|
| Voltage Out |
3.3 V
|
| Current Out |
1.5 A
|
| Voltage In |
37 ~ 57 V
|
| Efficiency @ Conditions |
>77%, 50V in, 3.3V @ 3 ~ 7 W
|
| Internal Switch |
Yes
|
| Features |
Current Limit (Adj. or Fixed)
Over Voltage Protection Thermal Protection |
| Switching Frequency |
177 kHz
|
| Component Count + Extras |
55 + 12
|
| Application / Target Market |
RF: Internet of Things (IoT) Sensor Node
|
| Design Author |
Skyworks Solutions, Inc.
|
| Main I.C. Base Part |
Si3406
|
| Date Created By Author | 2022-12 |
| Date Added To Library | 2023-05 |
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 Input Bridge Diodes; 40.8 V, 50 V and 57 V Input, 3.3 V Output, Class 2.png "SI3406FB3V2-KIT - End-to-End Efficiency Chart with Internal and External (S1B) Input Bridge Diodes;")
