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PD67124MAC-GGGG Datasheet(PDF) 4 Page - Microsemi Corporation |
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PD67124MAC-GGGG Datasheet(HTML) 4 Page - Microsemi Corporation |
4 / 14 page PD671xxx - 8 / 12 / 24-Channel PoE AF and AT DIMM Data Sheet (Non-confidential) Copyright © 2009 Microsemi Page 4 Rev. 1.0 / 17-March-10 Analog Mixed Signal Group 2381 Morse Avenue, Irvine, CA 92614, USA; Within the USA: (800) 713-4113, Outside the USA: (949) 221-7100 Fax: (949) 756-0308 OPER ATIN G CONDITION S PARAMETER MIN. NOM. MAX. UNIT Operating ambient temperature -10 +70 °C Operating voltage (see Figure 2) 40 to 44 44 to 55 55 to 57 VDC Operating humidity (non-condensing, Per IEC 68-2-56) 95 % Notes : Operating functions depend on the input voltage. Operating voltage range for IEEE802.3AF is 44 to 57 VDC Operating voltage range for IEEE802.3AT (High Power) is 50 to 57 VDC Figure 2: Operational voltage Ranges Airflow To prevent overheating, the application designer should supply a minimal airflow to the PD671xxx DIMMs. Figure 3 shows the power handling capability versus air velocities in meter/second, as measured at all points of the DIMM envelope, prior to insertion into the connector(s). As shown in Figure 12, the connectors are spaced by 35 mm; 1 m/s = 197 LFM (linear feet per minute). Maximum allowed temperature is +85° C for the MCU (PD69000) and +125° C for the PD69012. Air flow 0 5 10 15 20 25 30 35 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 Ambient temperature 0m/S 0.5m/S 1m/S Figure 3: Power per Port for two DIMMs (48 ports) |
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