VME450 COTS Solution / Vicor Military Power Supply

Military COTS VME Family – Power Supply

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Input Voltage:

VME450: Meets MIL-STD-704F normal range
22 Vdc to 29 Vdc, 28 Vdc nominal, 50 Vdc 12.5 ms transient
VME450G: Meets MIL-STD-704A/F and MIL-STD-1275D, continuous operation
22 Vdc to 33 Vdc, 28 Vdc nomina,l 100 Vdc 50 ms transient
VME225: Meets MIL-STD-704A/F and MIL-STD-1275D, continuous operation
22 Vdc to 36 Vdc, 28 Vdc nominal, 100 Vdc 50 ms transient

Output Power:

VME450 Family: 550 W max. all outputs combined
VME225: 225 W max. all outputs combined

Outputs:

VME450 Family: Four output voltages, 550 W
(Refer to data sheet for details)
VME225: Up to four output voltages
(Refer to data sheet for details)

Operating Temperature:

VME450 Family:
• –40 to +75°C operating baseplate wedgelocks 550 W
• –40 to +85°C operating baseplate wedgelocks 450 W
• –55 to +100°C non-operating
VME225:
• –40 to +75°C operating baseplate wedgelocks 450 W, 4 outputs
• –40 to +85°C operating baseplate
wedgelocks, 1 or 2 outputs
• –40 to +100°C non-operating

Output Ripple:

50 mV p-p max. (20 MHz BW)
all except; +/-12 Vdc
VME450 Family: +/-12 Vdc, 100 mV p-p max.
(20 MHz BW)
VME225: +/-12 Vdc, 150 mV p-p max.
(20 MHz BW)

28 Vdc input transient compliance per MIL-STD-704F (VME450)
28 Vdc input transient compliance per MIL-STD-704A/F and
MIL-STD-1275D (VME450G and VME225)
Up tp four output voltages, 550 W (VME450 Family), 225 W (VME225)
MIL-STD-810F environments
MIL-STD-461E EMI
Utilizes Vicor’s cutting edge V•I Chips for industry leading power density
Single or half slot VME power supply
Extended heatsink version available for VME450 family

The VME power supply family – filtered 28 Vdc, up to four outputs (3.3, 5, ±12 V), up to 550 W – is a MIL-COTS solution that is compliant to the input transients per MIL-STD-704F (VME450) or MIL-STD-704A/F and MIL-STD-1275D (VME450G and VME225) as well as the vibration requirements per MIL-STD-810F and EMI per MIL-STD-461E. When compared to conventional technology VME power supplies, VME family provides users with higher efficiency (up to 85%), lower weight (VME450 – 2.4 lbs, VME225 – 1.2 lbs ), and higher power (up to 550 W). Built with Vicor V•I Chips, it uses M-FIAM modules, and MIL-COTS PRMs and VTMs.

An extended heat sink version of the VME450 and VME450G are also available.

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