Datasheet for DC2026C:
- Manufacturer Part Number : DC2026C
- Manufacturer : AD
- Description : 12-Port PoE/PoE+/LTPoE++ PSE Analog Controller IC
- Series : LTC4270
- Reference Price : USD 0
- Our Price : We have a better price, contact us by email
- Product Type : Power-over-Ethernet (PoE) Interface Controllers
- Function : PoE Power Sourcing Equipment (PSE)
- Current Suggest : Recommended for New Designs
- Status : Production
- ROHS Status : ROHS Compliant (Lead Free)
- Package Type : Linduino One Isolated USB Demo Board: An Arduino- and QuikEval-Compatible Code Development Platform
- Pins : -
- MFG Package Case : -
- Part Type : EVAL
- Standard Packing Type : -
- Standard Packing Quantity : -
- Working Temperature : -
- Other Part Number : DC2026C
- Shipping methods : DHL FEDEX UPS TNT
- Delivery Time : Ship within 1 day.
- Manufacturer Production time : 6-8 weeks (Normally have stocks)
- Weight : 0.001KG
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The LTC4270/LTC4271 chipset is a 12-port power sourcing equipment (PSE) controller designed for use in IEEE 802.3at Type 1 and Type 2 (high power) compliant Power over Ethernet (PoE) systems. Transformer-isolated communication protocol replaces expensive opto-couplers and complex isolated 3.3V supply resulting in significant BOM cost savings. The LTC4270/LTC4271 chipset delivers lowest-in-industry heat dissipation by utilizing low-RDS(ON) external MOSFETs and 0.25Ω sense resistors.
Advanced power management features include per-port 12‑bit current monitoring ADCs, DAC-programmable current limit, and versatile fast shut-down of preselected ports. Advanced power management host software is available under a no-cost license. PD discovery uses a proprietary dual-mode 4-point detection mechanism ensuring excellent immunity from false PD detection. Midspan PSEs are supported with 2-event classification and a 2 second backoff timer. The LTC4270/LTC4271 includes an I2C serial interface operable up to 1MHz.
The LTC4270/LTC4271 is available in multiple power grades allowing delivered PD power up to 90W.
Applications
- PoE PSE Switches/Routers
- PoE PSE Midspans
This product has been released to the market. The data sheet contains all final specifications and operating conditions. For new designs, ADI recommends utilization of these products.
