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2
Electrical Specs
Special Features
300W
AEH25
Ultra High Efficiency
• High efficiency, 12V@ 93% (Typical)
• Industry Standard Half Brick baseplate design
• Low output ripple and noise
• High capacitive load limit on start-up
• Remote sense compensation
• Regulation to zero load
• Fixed frequency switching
• Industry Std features: Input UVLO, OCP, OVP,
OTP; Short ckt protection; ±10% Output Adjust
• Positive or Negative enable logic control option
• Meets Basic Insulation
Environmental
Operating temperature
-40°C to +100°C Baseplate
Storage temperature: -55°C to +125°C
Overtemperature protection: 110°C typical
MTBF: >1 million hours
Input
Input range 36-75 VDC
Input Surge 100V / 100ms
Efficiency 93% @ 12V (Typical)
Control
Enable TTL compatible
(positive or negative enable logic
control options)
Output
Regulation
(Line, Load, Temp) <2%
Ripple and Noise
1
120mV tyical
Remote Sense Up to 10%Vout
Output Voltage Adjust
Range ±10% of nominal output
Transient Response 180mV typical output deviation
25% step change
300 µS recovery time
Overvoltage Protection 115% nominal output
Overcurrent Protection 116% Io nominal
Isolation Voltage 1500 Vdc
Safety
UL, cUL 60950 Recognized
TUV EN60950 Licensed
Total Power: 300 Watts (12V @ 25A)
Input Voltages: 48 V
No. of Outputs: Single
Astec Industry S
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andard