2 0 W U l t r a mi ni ature Op en Fr ame S witc hing Power Suppli es
INPUT SPECIFICATIONS
Input Voltage Range
Frequency Range
Inrush Current, typ:
85-265 VAC
47-440 Hz
20A@100V, 40A@200V Input
*
OFM20
series
GENERAL SPECIFICATIONS
Input-Out Isolation
I/P-Ground
O/P-Ground
Efficiency
Switching Frequency
3000VAC, (4000VAC Medical)
2500VAC
1000VAC
75%~78%, typ
100Khz, (fixed, typical)
OUTPUT SPECIFICATIONS
Voltage and Current
Load Regulation (20%-FL)
Line Regulation
Cross Regulation (Duals)
Preset Accuracy
DC Voltage Adjust (typ)
Temperature Coefficient
Ripple/Noise
Over Voltage Protection
Over Temp. Protection
Short Circuit Protection
Hold Up Time
See Selection Chart
Singles: +/-0.5%,Duals: +/-0.5%
Singles +/- 0.1~1%, typ
Duals +/- 0.3~1%, typ
2%
1%
+/- 6% of FS (Primary)
+/-0.03%/°C
100mV Pk-Pk, typ
Clamp, 130-150%
*
Latching, Cool and Repower
Continuous, self-recovering
20 mS, typ
PHYSICAL SPECIFICATIONS
Size
Construction
Weight
2.0” x 3.5” x 0.80”
Open Frame
3.1oz (88g)
ENVIRONMENTAL SPECIFICATIONS
Oper. Temperature
Storage Temperature
Relative Humidity
EMC
MTBF
0 to +70°C (See Derate)
-25 to +71°C
*
0 to + 95%, non-cond
*
FCC/A, VDE 0871/A
(Mil Std 217, 25°C)
520,000 Hrs
All specifications are typical at nominal input, full load, and 25°C unless other-
wise noted
*
These are stress ratings. Exposure of the devices to any of these conditions
may adversely affect long term reliability. Proper operation under conditions
other than the standard operating conditions is neither warranteed nor implied.
Astrodyne products are not authorized or warranteed for use
as critical components in life support systems, equipment used
in hazardous environments, nuclear controls systems, or other
mission-critical applications.
WWW.ASTRODYNE.COM
300 Myles Standish Blvd., Taunton, MA 02780
Ph: 1-800-823-8082
Fax: 508-823-8181
ASTRODYNE [ ASTRODYNE CORPORATION ]
