| Allicdata Part #: | LTC4266AIUHF-4#PBF-ND |
| Manufacturer Part#: |
LTC4266AIUHF-4#PBF |
| Price: | $ 9.06 |
| Product Category: | Integrated Circuits (ICs) |
| Manufacturer: | Linear Technology/Analog Devices |
| Short Description: | IC POE LTPOE++ QUAD PSE 38-QFN |
| More Detail: | Power Over Ethernet Controller 4 Channel 802.3at (... |
| DataSheet: |  LTC4266AIUHF-4#PBF Datasheet/PDF |
| Quantity: | 176 |
| 1 +: | $ 8.23410 |
| 25 +: | $ 5.50721 |
| 100 +: | $ 4.68462 |
Specifications
| Series: | -- |
| Packaging: | Tube |
| Part Status: | Active |
| Type: | Controller (PSE) |
| Number of Channels: | 4 |
| Power - Max: | 90W |
| Internal Switch(s): | No |
| Auxiliary Sense: | No |
| Standards: | 802.3at (PoE+), 802.3af (PoE), LTPoE++ |
| Voltage - Supply: | 45 V ~ 57 V |
| Current - Supply: | 2.4mA |
| Operating Temperature: | -40°C ~ 85°C |
| Package / Case: | 38-WFQFN Exposed Pad |
| Supplier Device Package: | 38-QFN (5x7) |
| Base Part Number: | LTC4266 |
Description
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The LTC4266AIUHF-4#PBF is a unique Power Management Integrated Circuit (PMIC) which features a high power over ethernet (PoE) controller. It is the only PoE controller in the industry that offers both simultaneous and independent control of four ports with multiple Polarity TDM (PTDM) functionality. The LTC4266AIUHF-4#PBF is designed to provide high performance and good efficiency over a wide range of current levels, allowing it to be used in a variety of applications including industrial, medical, and consumer products.Essentially, the LTC4266AIUHF-4#PBF is a single integrated circuit that can be used to achieve two separate goals. First, it provides power management by controlling the current level and the direction of flow from the data source (e.g., Ethernet router) to the device(s) of interest that are to be powered. Second, it can be used to control the direction of data flow from the device(s) to the data destination. As a result, it can be used to supply power to, or transmit data from/to, multiple devices using the same Physical Layer connection (e.g., Ethernet cable). Moreover, since the LTC4266AIUHF-4#PBF features a high power PoE controller, it is capable of delivering up to 28W of power to each port, allowing the delivery of more power than is typically provided by standard Ethernet cables.The working principle of the LTC4266AIUHF-4#PBF is based on the fact that it provides the capability to control both the current level and the direction of the voltage and current flow. This is achieved by a combination of external components, including resistors, capacitors, and switches. The output of the switch is fed to the PoE logic, where it is then used to determine the current level and direction of flow. The output is then sent to the ports of the device to control the current level and direction of power flow.The key features of the LTC4266AIUHF-4#PBF are its real-time power surveying and power-management capabilities, as well as its PTDM functionality. The power surveying feature allows for real-time monitoring of the current level at each port, thus preventing overloading of the system. The power-management features of the LTC4266AIUHF-4#PBF allow for advanced power distribution, including power limiting and protecting for each port. Finally, the PTDM functionality enables simultaneous and independent data flow control for up to four ports, allowing multiple users to access the data simultaneously.In summary, the LTC4266AIUHF-4#PBF is a highly efficient, cost-effective power over ethernet (PoE) controller which provides advanced power management and simultaneous control of up to four ports. Its key advantages include power surveying and power-management capabilities, as well as its PTDM functionality which enables simultaneous, independent data flow control. As such, it can be used in a wide range of applications including industrial, medical, and consumer products.
The specific data is subject to PDF, and the above content is for reference
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