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Overview
| Topology | LAN / POE |
| Input voltage | 50 V |
| IC revision | 1 |
Description
The Si34071 isolated Forward topology evaluation board is a reference design for a power supply in a Power over Ethernet (PoE) Powered Device (PD) application. The Si34071FW24V7KIT provides an isolated output of 24 V/2.2 A. The Si34071 IC integrates an IEEE 802.03bt compatible PoE interface as well as a current-control-based dc/dc converter.
Features
- IEEE 802.3bt compliant
- Good EMI performance
- 89.7% efficiency
- High integration
- Simple 9600-baud UART interface
- Autoclass feature
- Low BOM cost
- Thermal shutdown protection
- 5x5 mm 32-pin QFN
Typical applications
- Isolated PoE class 7
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | C | Endurance (h) | Operating Temperature | IRIPPLE (mA) | ILeak (µA) | DF (%) | Pitch (mm) | Ø D (mm) | L (mm) | Packaging | Z @ 100 MHz (Ω) | Zmax (Ω) | Test Condition Zmax | IR 2 (mA) | RDC max. (Ω) | Type | Winding Style | Number of windings | L1 (µH) | IR (mA) | RDC max. (Ω) | VR (V (DC)) | Data rate | Ports | PoE | Improved CMRR | Operating Temperature | VT (V (AC)) | Mount | L (µH) | LSmin. (nH) | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 860020574012 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-ATG5 Aluminum Electrolytic Capacitors | 220 µF | 2000 | -40 °C up to +105 °C | 255 | 77 | 12 | 3.5 | 8 | 11.5 | Ammopack | – | – | – | – | – | – | – | – | – | – | – | 35 | – | – | – | – | – | – | – | – | – | ||
 | 742792118 | SPEC | 9 files | Active i| Production is active. Expected lifetime: >10 years. | WE-CBF SMT EMI Suppression Ferrite Bead | – | – | -55 °C up to +125 °C | – | – | – | – | – | 3.2 | – | 600 | 650 | 80 MHz | 2500 | 0.07 | High Current | – | 1 | – | 2500 | 0.07 | – | – | – | – | – | -55 °C up to +125 °C | – | SMT | – | – | ||
 | 744272251 | SPEC | 9 files | Active i| Production is active. Expected lifetime: >10 years. | WE-SL5 SMT Common Mode Line Filter | – | – | -40 °C up to +125 °C | – | – | – | – | – | 10 | – | – | 970 | – | – | 0.035 | – | sectional | 2 | 250 | 2000 | 0.035 | 80 | – | – | – | – | – | 1000 | SMT | 250 | 1500 | ||
 | 7490220122 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-LAN LAN Transformer | – | – | -40 °C up to +105 °C | – | – | – | 1.27 | – | 17.55 | – | – | – | – | – | – | 4PPoE (to 900 mA) | – | – | 350 | – | – | – | 10/100/1000BASE-T | 1 | 4PPoE (up to 1000 mA) | No | -40 °C up to +105 °C | 1500 | SMT | 350 | – |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 860020574012 | SPEC | |
| 742792118 | SPEC | |
| 744272251 | SPEC | |
| 7490220122 | SPEC |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | C | Endurance (h) | Operating Temperature | IRIPPLE (mA) | ILeak (µA) | DF (%) | Pitch (mm) | Ø D (mm) | L (mm) | Packaging | Z @ 100 MHz (Ω) | Zmax (Ω) | Test Condition Zmax | IR 2 (mA) | RDC max. (Ω) | Type | Winding Style | Number of windings | L1 (µH) | IR (mA) | RDC max. (Ω) | VR (V (DC)) | Data rate | Ports | PoE | Improved CMRR | Operating Temperature | VT (V (AC)) | Mount | L (µH) | LSmin. (nH) | Samples |
|---|
