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Overview
| Topology | LAN / POE |
| Input voltage | 41.1-57 V |
| Output 1 | 12 V / 6 A |
| IC revision | 0.4 |
Description
The Si34071 12 V Class 8 evaluation kit demonstrates a complete 71 W IEEE 802.3bt Power over Ethernet Powered Device system using our Si34071 PoE PD device. A single Si34071 manages the PoE interface and dc-dc conversion. The isolated forward converter outputs up to 5.91 A at 12 V for a total power of 71 W while using a small EPD13 size transformer. The Sifos IEEE compliance report, schematics, and layout are all found in the User’s Guide.
Features
- Included devices:-Si34071-GM
- 71 W, isolated forward converter-12 V, 5.91 A output-Up to 91.2 % end-to-end efficiency-Small, EPD13 size transformer
- Second RJ45 jack to pass through Ethernet data
- Fully 802.3bt compliant
Typical applications
- Powered Device system
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Product series | IR (A) | ISAT (A) | RDC (mΩ) | fres (MHz) | 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) | Data rate | Ports | PoE | Improved CMRR | Operating Temperature | VT (V (AC)) | Mount | L (µH) | LSmin. (nH) | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 74404054102 | SPEC | 8 files | WE-LQS SMT Power Inductor | 0.2 | 0.24 | 6000 | 1.9 | – | – | -40 °C up to +125 °C | – | – | – | – | – | 5 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | -40 °C up to +125 °C | – | SMT | 1000 | – | ||
 | 742792118 | SPEC | 9 files | WE-CBF SMT EMI Suppression Ferrite Bead | 1.5 | – | – | – | – | – | -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 | 8 files | WE-SL5 SMT Common Mode Line Filter | 2 | – | – | – | – | – | -40 °C up to +125 °C | – | – | – | – | – | 10 | – | – | 970 | – | – | 0.035 | – | sectional | 2 | 250 | 2000 | 0.035 | 80 | – | – | – | – | – | 1000 | SMT | 250 | 1500 | ||
 | 870025374007 | SPEC | 7 files | WCAP-PTG5 Aluminum Polymer Capacitors | – | – | – | – | 470 µF | 2000 | -55 °C up to +105 °C | 5000 | 752 | 10 | 3.5 | 8 | 11.5 | Ammopack | – | – | – | – | – | – | – | – | – | – | – | 16 | – | – | – | – | – | – | Radial THT | – | – | ||
 | 7490220122 | 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. | 8 files | WE-LAN LAN Transformer | – | – | 500 | – | – | – | -40 °C up to +105 °C | – | – | – | 1.27 | – | 18.04 | – | – | – | – | – | – | 4PPoE (to 900 mA) | – | – | 350 | – | – | – | 1000BASE-T | 1 | 4PPoE (up to 1000 mA) | No | -40 °C up to +105 °C | 1500 | SMT | 350 | – |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 74404054102 | SPEC | |
| 742792118 | SPEC | |
| 744272251 | SPEC | |
| 870025374007 | SPEC | |
| 7490220122 | 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. |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | Product series | IR (A) | ISAT (A) | RDC (mΩ) | fres (MHz) | 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) | Data rate | Ports | PoE | Improved CMRR | Operating Temperature | VT (V (AC)) | Mount | L (µH) | LSmin. (nH) | Samples |
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