Astec Industry Standard
250 Watts
High Efficiency
PRELIMINARY
AEH60
ALH60
(Open Frame)
Total Power:
Input Voltages:
No. of Outputs:
250 Watts
48 V
Single
Electrical Specs
Input
Input range
Input Surge
Efficiency
36-75 VDC
100V / 100ms
91%@3.3V (Typical)
Control
Enable
TTL compatible
(positive & negative enable options)
Output
Regulation
(Line, Load, Temp)
<2%
2% typical (100mV p-p max)
Up to 10%Vout
+/-10% of nominal output
4% max deviation with
50% to 75% full load
300 µS (max) recovery
130% nominal output
Special Features
• High efficiency, 3.3V@91% (Typical)
• -40°C to 100°C baseplate operating
temperature
• Open Frame version also available (ALH60)
• Positive and Negative enable function
• Low output ripple and noise
• High capacitive load limit on start-up
• Remote sense compensation
• Regulation to zero load
• Fixed frequency switching (400 kHz)
Ripple and noise
Remote sense
Output voltage
adjust range
Transient Response
Overvoltage Protection
Environmental
Operating temperature (baseplate):
-40°C to +100°C
Storage temperature: -55°C to +105°C
Overtemperature protection: 115°C typical
MTBF: >1 million hours
Safety
UL, CUL
1950 Recognized
TUV
EN60950 Licensed
14
America’s (USA): 1-888-41-ASTEC
Europe (UK): 44 (1384) 842-211
Asia (HK): 852-2437-9662
ASTEC [ Astec America, Inc ]
