North America (USA): 1-888-41-ASTEC
Europe (UK): 44 (1384) 842-211Asia (HK): 852-2437-9662
2
Electrical Specs
Special Features
700 Watts
AIF25R48
700W Continuous power at 100C baseplate
temperature
High efficiency - 89% @ 28V
Low output ripple and noise
Industry standard pin out
Positive and Negative enable function
Excellent transient response
OVP, LVP, OCP,OTP, S/C protection
Paralleable with accurate current sharing
Basic Insulation
Environmental
Operating temperature
-20C to +100C (Case temperature)
Storage temperature: -55C to +125C
Overtemperature protection: 120C max
MTBF: TBD hours
Input
Input range
36 - 75 VDC
Input Surge
100V / 100ms
Efficiency
89%@28V
Output
Load Regulation
0.5% typical down to min load
Line Regulation
0.2% typical
Noise / Ripple
200mV typical
Remote sense
Up to 0.5V
Output voltage
adjust range
+10%/-20%
Transient Response
3% max for deviation with
25% to 50% full load
500 S (max) recovery
Current Share Accuracy
5% typical
Overvoltage Protection
140% Vo (max)
Current Limit
140% Io (max)
Control
Voltage Adjust
80 to 110% Vo
Enable
TTL compatible
(positive & negative enable
options)
Notes
Nominal values apply with sense pins connected and other
control pin unconnected.
Specifications subject to change without notice.
Safety
UL
60950 Recognized
CSA
TUV
EN60950 Licensed
CE
CE Mark
Total Power:
700 Watts (28V@25Amps)
Input Voltages:
48V
No. of Outputs:
Single
EUROPE
Astec House, Waterfront Business Park
Merry Hill, Dudley
West Midlands, DY5 1LX, UK
Telephone: 44 (1384) 842-211
Facsimile: 44 (1384) 843-355
AMERICAS
5810 Van Allen Way
Carlsbad, CA 92008
Telephone: 760-930-4600
Facsimile: 760-930-0698
3
Ordering Information
www.astecpower.com Rev02 July 2004
ASIA
Units 2111-2116, Level 21
Tower1, Metroplaza
223, Hing Fong Road
Fwai Fong, New Territories
Hong Kong
Telephone: 852-2437-9662
Facsimile: 852-2402-4426
Input
Output
Efficiency
Model Number
Voltage Voltage
48V
28V @ 25A
89% (Typ)
AIF25R48
48V
28V @ 25A
89% (Typ)
AIF25R48N
48V
28V @ 25A
89% (Typ)
AIF25R48-6
48V
28V @ 25A
89% (Typ)
AIF25R48N-6
48V
28V @ 25A
89% (Typ)
AIF25R48-7
48V
28V @ 25A
89% (Typ)
AIF25R48N-7
48V
28V @ 25A
89% (Typ)
AIF25R48-8
48V
28V @ 25A
89% (Typ)
AIF25R48N-8
Note:
1. Suffix "N" for Negative Enable, -6 for 3.8mm pin, -7 for 5.8mm pin, -8 for 2.8mm pin
Pin Assignments
AIF25R48N-6 (pin side view)
PDF 
ZIP