Features:
• 0.99 power factor corrected
• Meets EN55022 Class ”B”
emissions
• Dual Output
Ideally Suited For:
• Computer Peripherals
• Data Storage Systems
• Tape or Disk Drives
PF series
Input Characteristics
Input Voltage: 90-264 VAC
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Input Frequency: 47-63 Hz
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Output Characteristics
Output Voltage Adjustment: +/-10% main output only
Line Regulation: +/-5% typical
Load Regulation +/-3% on main output, +/-5% on Auxiliary
from 10% to 100% load
Ripple and Noise: 1% pk-pk oof Vout
Transient Response (50% Load Change): 2% maximum deviation, Returns to initial
condition within 1.0 mSec maximum.
Overload Protection: Power limiting with Auto Recovery at 110%
to 135% of peak load.
Short Circuit Protection:
Will withstand a continuous short without damage.
Will automatically return to regulation upon
removal of the short
Over Voltage Protection: Main output only
Environmental Characteristics
Operating Temperature Range: 0ºC to +50ºC continuous duty, full rating. Derate
linearly to 50% of full rating at +71ºC
Storage Temperature Range: -20ºC to +85ºC
Temperature Coefficient <0.02%/degree C
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Reliability (MTBF per Mil-HDBK-217): > 140,000 hours
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General Characteristics
Switching Frequency: 80 kHz
Isolation (Input to Output): 3750 VAC, min.
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Agency Approvals UL, CUL, DEMKO and CE mark
85 watts
www.martekpower.com
>>1
Les Auberges 69770 Montrottier France Tel. 33 (0)1 69 88 83 97 Fax: +33 (0) 1 69 88 80 37 sales@martekpower.fr
All specifications are typical at 25 degrees C with nominal input voltage and full output unless
otherwise noted. Specifications are subject to change without notice. All dimensions are typical.
Available Models
Output Output Output
Model Channel Voltage (VDC) Current (A)
PF-85-21 V1 +5 10
V2 +12 5 with 9 peak
Outline Drawings
Consult factory
for pin outs
5.51
140.00
1.47
37.30
3.50
89.00
3.15
80.00
5.16
131.00
P.C.B. MOUNTING
0.16 (4.0) 4 PLACES
0.06
1.60
www.martekpower.com
>>2
Les Auberges 69770 Montrottier France Tel. 33 (0)1 69 88 83 97 Fax: +33 (0) 1 69 88 80 37 sales@martekpower.fr