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Products > Embedded Products > CPCI/CPCIe > Power Supplies > 300W Power Supply

3U Power Supply

3U 300 watt modular power supply for CPCI/CPCIe with P47 power connector, AC input.

Form Factor: 3U
Part Number: OSS-CPCI-3U-PS-300

Product Features

300 watt, quad output in 3U x 8HP form factor
Current sharing and internal OR-ing diodes for N+1 redundancy
Fully compliant with PICMG CompactPCI specifications
High current 5V and 3.3V outputs
CompactPCI package requires on 15 cfm of external cooling air
P47 power connector
Outputs: +5V, +3.3V, +12V, -12V

Specifications

Input
AC Input	90-264V, 3.5A max 47 to 63 Hz.
Power Factor	0.99 corrected at AC 90-264V input
Inrush	Thermistor soft start. ~25*C AC cold start current
	15Apk @ AC 115V
	30Apk @ 230V
Transient Protection	MOV. Withstands transients as specified
	by IEEE C62.41 3KV (differential and common \|mode)
Efficiency	70% typical at AC 115V, full load
Redundant/Hot Swap	Full power N+1 redundant, hot swap capable

Output
Power Output	+5V @ 40A, +3.3V @ 40A, +12V @ 10A, -12V @ 2A
Line Regulation	At the Sense Point, Over Full AC Input Range
	<+-.05% sense lead connected.
Load Regulation	+-1% typical for V1,V2;+-2%for V3;+-5% for V4
Minimum Loading	not required
Stability	Output drift +-0.02%/C, 0-50*C after 20 minute warm-up.
Temp Coefficient	<+-0.02%/C, 0-50*C after 20 minute warm-up
Ripple & Noise	For all outputs, 50mV max or 1% peak-to-peak \|nominal, whichever is greater
Remote Sense	V1, V22 outputs compensate for up to .25V total
	line drop in the load cables. Outputs are internally sensed if \|leads are opened
Current Sharing	V1, V2, V3 Outputs. Droop method current share for V4
Hold-up time	Outputs remain in regulation >18msec minimum following loss of AC power at low line, full load
Overvoltage Protection	Non-crowbar type. Any output that exceeds 25% +-10% of nominal Vout will cause all outputs to latch off. Remote inhibit, enable or AC input recycle required to set.

Signals, Indicators and Controls
Remote Enable	Enabled by closed circuit or TTL logic 0. Disabled by closed circuit or TTL logic 1.
Remote Inhibit	Enabled by closed circuit or TTL logic 1. Disabled by closed circuit or TTL logic 0.

Environmental
Temperature Range	0 degrees to 50 degrees C at full load with specified airflow
Cooling	A minimum of 60 cfm / 800 lfm direct forward airflow required to achieve fill rated power and specified MTBF.
Relative Humidity	Up to 90% RH, non-condensing
Operational Vibration	2.0G peak, 5-500Hz along three orthogonal axis
Storage Temperature	-40 to 85 degrees C
MTBF	Designed for 150,000 hours at 25 degrees C

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