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SI3462-E01 Datasheet(PDF) 11 Page - List of Unclassifed Manufacturers |
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SI3462-E01 Datasheet(HTML) 11 Page - List of Unclassifed Manufacturers |
11 / 24 page Si3462 Rev. 1.0 11 4. Si3462-EVB Functional Description In combination with low-cost external components, the Si3462 controller provides a complete PSE solution for embedded PoE applications. The Si3462-EVB reference design operates from a +50 V isolated power supply and delivers power to the powered device. Refer to the Si3462-EVB User's Guide and schematics for descriptions in the following sections. The basic sequence of applying power is shown in Figure 3. Following is the description of the function that must be performed in each phase. Figure 3. Basic Power-up Sequence tDET_CYCLE tCLASS_CYCLE tPWRUP -2.8V -15.5V -10V -20.5V -44V -57V Ch1: PoE output voltage referenced to the +50V rail Detection Classification Power-on |
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