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| MIL-STD-704 28V Input to ±12V, 5V, and 3.3V Output 3U Power Supply with Integrated MIL-STD-461E Filtering
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Features
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MIL-STD-704 compliant 28V-DC input voltage
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MIL-STD-461E compliant EMI filtering
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PICMG 2.11 standard 47 position connector (modified pinout)
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Up to 200W output on 3.3V, 5V, and ±12V
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On-card hold-up capacitor for up to 110 ms (at 120 W) of hold-up time (Optional)
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Supports additional external hold-up capacitance
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Up to 90% efficient
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Conduction or convection cooled
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-55°C to 65°C convection cooled operating temperature (with 200LFM air flow)
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-55°C to 85°C conduction cooled operating temperature (at the thermal interface)
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Two-Level Maintenance support with 1.0-inch pitch
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Load sharing support with another XPm2000
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Description
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| The XPm2000 changes the rules on what can be done with a 3U power supply. The XPm2000 takes in a MIL-STD-704 28V-DC input voltage and provides up to 200W on 3.3V, 5V, and ±12V at up to 90% efficiency. The XPm2000 also provides on card MIL-STD-461E compliant EMI filtering.
An innovative hold-up design drastically reduces the size of the hold-up capacitance and allows the capacitor to be retained on-card while maintaining up to 110 ms of hold-up time. The XPm2000 also supports the use of external hold-up capacitors for providing additional hold-up time.
The XPm2000 fits in a 3U cPCI or VPX 0.8-in, 0.85-in, and 1.0-in pitch slot. Up to 8.3A on 12V, 2A on -12V, 20A on 5V, and 30.3A on 3.3V can be supported on each rail, separately. The XPm2000 can provide up to a combined 200W of total output power at maximum operating temperature. The XPm2000 can also be paired up with another XPm2000 for load sharing.
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Block Diagram
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Input Power
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MIL-STD-704 28V-DC compliance
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MIL-STD-461E compliant EMI filtering
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Output Power
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Up to 90% efficient
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Supports up to 200W in total combined power output
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3.3V @ up to 30.3A
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5V @ up to 20A
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12V @ up to 8.3A
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-12V @ up to 2A
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Can be paired with another XPm2000 for load sharing
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Hold-Up
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On-card hold-up capacitor for up to 110ms (at 120 W) of hold-up time (Optional)
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Supports external hold-up capacitor connection
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Physical Characteristics
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3U VPX or cPCI form factor
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PICMG 2.11 standard 47 position connector (modified pinout)
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0.8-in, 0.85-in*, or 1.0-in*† pitch
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Weight: 1.45 lbs (with on-card hold-up capacitor)
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Weight: 1.1 lbs (without on-card hold-up capacitor)
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Supports 2-Level Maintenance
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Supports 110 ms hold-up capacitor
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Environmental Requirements
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Supported ruggedization levels (see chart): Level 1, Level 2, Level 3, Level 4, Level 5
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Supports an enhanced level 2 operating temperature from -55°C to 65°C
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Supports an enhanced level 5 operating temperature from -55°C to 85°C
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Humidity: 0% to 95% non-condensing
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