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Overview
| Topology | Flyback Converter |
| Input voltage | 42.5-57 V |
| Output 1 | 5 V / 6 A |
| IC revision | F |
Description
This reference design implements an IEEE802.3bt (draft) Power over Ethernet (PoE) Powered Device (PD) with dual redundant inputs and a smooth transition between these inputs and an auxiliary input. The design consists of a 5V/6A synchronous flyback converter and allows for up to three power supplies (two PoE Power Source Equipment (PSE) supplies and one AC/DC wall adapter auxiliary supply) to be used in order to decrease the probability of power and data loss in your system.
Features
- Redundant inputs: two PoE and 48V adapter
- Continuous output when switching between inputs
- 84% efficiency with 5V/6A output and PoE input
Typical applications
- Outdoor backhaul unit / Small cell base station / WLAN/Wi-Fi access point
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | Data rate | Ports | PoE | Improved CMRR | Operating Temperature | VT (V (RMS)) | Mount | L (µH) | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 7490220122 | SPEC | 9 files | Active i| Production is active. Expected lifetime: >10 years. | WE-LAN LAN Transformer | 10/100/1000BASE-T | 1 | 4PPoE (up to 1000 mA) | No | -40 °C up to +105 °C | 1500 | SMT | 350 |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 7490220122 | SPEC |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | Data rate | Ports | PoE | Improved CMRR | Operating Temperature | VT (V (RMS)) | Mount | L (µH) | Samples |
|---|