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| MIL-STD-704 28V Input to ±12V, 5V, and 3.3V Output 3U VITA 62.0 VPX Power Supply with Integrated MIL-STD-461E Filtering
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Features
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MIL-STD-704 28V-DC input voltage
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MIL-STD-461E EMI filtering
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VITA 62.0-compliant power supply
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Up to 300 W output on 3.3V, 5V, and ±12 V
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Up to 90% efficient
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-40°C to 85°C conduction cooled operating temperature (at the thermal interface)
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Two-level maintenance support
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Load sharing support with another XPm2120
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IPMI controller for on-card voltage monitoring and control
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Description
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| The XPm2120 is a VITA 62-compliant 3U VPX power supply that allocates 12V as the primary distribution rail across the backplane to the payload modules. The XPm2120 takes in a MIL-STD-704 28V-DC input voltage and provides up to 300W on 3.3V, 5V, and ±12V at up to 90% efficiency. The XPm2120 also provides on card MIL-STD-461E EMI filtering.
The XPm2120 fits in a VITA 62-compliant 3U VPX 1.0- or 0.8-inch slot. Up to 25 A on 12 V, 2 A on -12 V, 10 A on 5 V, 10 A on 3.3 V, and 4 A on 3.3 V Auxiliary can be supported on each rail, separately. The XPm2120 can provide up to a combined 300 W of total output power at maximum operating temperature. The XPm2120 can also be paired with another XPm2120 for load sharing.
The XPm2120 also features an Intelligent Platform Management Interface (IPMI) controller which monitors board voltages and temperatures. In addition, the IPMI controller can turn off output power.
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Block Diagram
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Input Power
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MIL-STD-704 28V-DC
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MIL-STD-461E EMI filtering
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Output Power
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Up to 90% efficient
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Supports up to 300 W in total combined power output
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3.3 V at up to 10 A
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5 V at up to 10 A
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12 V at up to 25 A
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-12 V at up to 2 A
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3.3 V Auxiliary at up to 4 A
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Can be paired with another XPm2120 for load sharing
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Physical Characteristics
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3U form factor
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0.8-in. pitch
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1.1 lbs. (without on-card hold-up capacitor)
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IPMI Controller
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Monitors voltages
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Monitors temperature sensors
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Controls output power
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Connects to backplane via system management bus (I2C)
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Environmental Requirements
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Supported ruggedization levels (see chart): Level 5
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Conformal coating available as an ordering option
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