LINEAR TECHNOLOGY DC1249A 交流稳压电源-产品快照
- 品牌:
- LINEAR TECHNOLOGY
- 型号:
- DC1249A
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产品介绍
LINEAR TECHNOLOGY DC1249A 交流稳压电源
LINEAR TECHNOLOGY DC1249A Evaluation Board, Power Over Ethernet, Power Device Interface, Isolated 3.3V Power Supply
LINEAR TECHNOLOGY
DC1249A demonstration board is a PoE to 3.3V at 3A isolated converter featuring the LTC4267CDHC-3. The board provides a complete IEEE 802.3af power device interface and isolated 3.3V power supply solution for use in Power over Ethernet applications. The LTC4267-3 integrates the 25kohm signature resistor, classification current source, thermal over load protection, signature disable and power good signal along with an undervoltage lockout optimized for use with the IEEE required diode bridge. The precision dual level input current limit allows the LTC4267-3 to charge load capacitors and interface with legacy PoE systems. The LTC4267-3 combines the above features with a current mode switching controller designed for driving a N-channel MOSFET. It features programmable slope compensation, soft-start, and constant frequency operation, minimizing electrical noise even with light loads. Complete power interface port for IEEE 802.3af powered device. Constant frequency 300KHz operation Precision dual level inrush current limit Integrated current mode switching regulator On board 25k signature resistor with disable Programmable classification current Thermal overload protection Power good signal Integrated error amplifier and voltage reference Silicon Manufacturer: Linear Technology Silicon Core Number: LTC4267-3 Kit Application Type: Power Management Application Sub Type: Power Over Ethernet (POE) Kit Contents: Demonstration Board, User Guide Product Range: - Features: IEEE 802.3af Power Device (PD) Interface and Isolated 3.3V Power Supply SVHC: No SVHC (17-Dec-2015) Find similar products grouped by common attribute
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