HIGHLY COMPACT 275W AC/DC POWER SUPPLY DELIVERS RELIABLE POWER IN LESS SPACE

Description

Power Sources Unlimited announces the N2Power XL275 Series of ultra small, highly efficient (up to 90%) ac/dc power supplies which pack 275W of power into an industry leading 12.22W/cubic inch power density, fitting easily into industry standard 1U OEM applications or any application where space is critical. The XL275 Series features a universal 90-264VAC input with active PFC. Four initial models provide single outputs from 12VDC to 56VDC, along with a secondary 12VDC/1A output, and a 5VDC/1A standby output. All outputs may be paralleled. The XL275’s operation is ensured via digital microprocessor control to monitor output voltage, output current, auxiliary output voltages, ambient temperature and cooling fan speed. Comprehensive protection circuitry and remote on/off are also standard features of the power supply, with I2C based PMBus™ capability as an option.

Specs

• Nominal Input Voltage: 100 – 240 VAC • Tested Input Limits:90– 264 VAC • Input Frequency Range:47– 63 Hz • Input Current: 3.5 A @ 100 VAC • Input Protection:5 A fuse • Safety Isolation:3000 VAC input to output • 1500 VAC input to ground • Inrush Current: 13 A @ 240 VAC† • Power Factor Active PFC circuitry, meets • Correction:or exceeds EN61000-3-2 • Total Output:275 W • Hold-up Time: Minimum 22 mS • Efficiency:Up to 90%† • Minimum Load:No load • Over / Under Shoot: Maximum 10% at turn-on • Overvoltage Protection:V1 (latches off) • Overpower Protection: Protected / Auto Recovery • Short Circuit Protection: Auto recovery of all outputs protected against short circuit • Thermal Shutdown: Auto recovery protection against over temperature conditions • Operating Temperature:–25˚C to +50˚C • Temperature Derating:2.5%/ degree 50˚C to 70˚C • Storage Temperature:–40˚C to +85˚C • Forced Air Cooling: 10 CFM minimum† • Convection Cooling: 150W • Leakage Current: 0.7mA† • MTBF: >200,000 hours calculated
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