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AN2783 Datasheet(PDF) 36 Page - STMicroelectronics

Part # AN2783
Description  PM8800 demonstration kit for standard and high power PoE
PDF  47 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

AN2783 Datasheet(HTML) 36 Page - STMicroelectronics

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AN2783
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Ch1 = output voltage, Ch2 = internal primary voltage, Ch3 = voltage across the hot-swap
MOSFET, Ch4 = AUXII input current
12.3
3.3 V standard-power board measurements
Ch1= output voltage, Ch2 = VSS voltage with respect to GND, Ch3 = VCC voltage,
Ch4 = input current
Figure 32.
Switch between 48 V PoE and 12 V
AUXII with 5 V at 2 A
Figure 33.
Back to 48 V removing the 12 V
AUXII voltage with 5 V at 2 A
Figure 34.
Startup of the PM8800
demonstration kit with 3.3 V, 1 A
Figure 35.
Startup of the PM8800
demonstration kit with 3.3 V, 3 A



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