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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) | 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 | 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 | – | – | – | – | – | – | – | 3.2 | – | 600 | 650 | 80 MHz | 2500 | 0.07 | High Current | – | 1 | – | 2500 | 0.07 | – | – | – | – | – | -55 °C up to +125 °C | – | SMT | – | – | ||
 | 744272251 | SPEC PCN pendingDue to a pending PCN there will be a new datasheet revision issued for this order code soon. Please find the actual as well based on valid PCN date the new revision datasheet below. If you have further questions please get in contact with our sales staff. | 9 files | Active i| Production is active. Expected lifetime: >10 years. | WE-SL5 SMT Common Mode Line Filter | – | – | – | – | – | – | – | 10 | – | – | 970 | – | – | 0.035 | – | sectional | 2 | 250 | 2000 | 0.035 | 80 | – | – | – | – | – | 1000 | SMT | 250 | 1500 | ||
 | 7490220122 | SPEC | 9 files | Active i| Production is active. Expected lifetime: >10 years. | WE-LAN LAN Transformer | – | – | – | – | – | 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 PCN pendingDue to a pending PCN there will be a new datasheet revision issued for this order code soon. Please find the actual as well based on valid PCN date the new revision datasheet below. If you have further questions please get in contact with our sales staff. | |
| 7490220122 | SPEC |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | C | Endurance (h) | 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 |
|---|
