North America (USA): 1-888-41-ASTEC Europe (UK): 44 (1384) 842-211Asia (HK): 852-2437-9662
2
Electrical Specs
Special Features
60Amps
AEH60
ALH60 (Open Frame)
Ultra High Efficiency
• Ultra High efficiency, 1.8V@89% (Typical)
• -40°C to 100°C baseplate operating temp.
• -40°C to 85°C Ambient Air for Open Frame
• Open Frame (ALH60) and Baseplate (AEH60)
• Redundant Inline Output Pins Option
• Positive and Negative enable function
• Low output ripple and noise
• High capacitive load limit on start-up (50K uF)
• Remote sense compensation
• Regulation to zero load
• Fixed frequency switching (400 kHz)
Environmental
Operating temperature
-40°C to +100°C Baseplate (AEH60)
-40°C to +85°C Ambient Air (ALH60)
Storage temperature: -55°C to +105°C
Overtemperature protection: 115°C typical
MTBF: >1 million hours
Input
Input range 36-75 VDC
Input Surge 100V / 100ms
Efficiency 91%@3.3V (Typical)
Control
Enable TTL compatible
(positive & negative enable
options)
Output
Regulation
(Line, Load, Temp) <2%
Ripple and noise 60mV p-p typical
Remote sense Up to 10%Vout
Output voltage
adjust range +/-10% of nominal output
Transient Response 4% max deviation with
50% to 75% full load
300 µS (max) recovery
Overvoltage Protection 130% nominal output
Safety
UL, CUL 1950 Recognized
TUV EN60950 Licensed
PRELIMINARY
Total Power: 200 Watts (3.3V@60Amps)
Input Voltages: 48 V
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
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Ordering Information
www.astec.com
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
www.astec.com Latest Update JANUARY 2003
Input Output Efficiency Model Number
Voltage Voltage
48V 3.3V @ 60A 91% (Typ) AEH60F48
48V 2.5V @ 60A 90% (Typ) AEH60G48
48V 1.8V @ 60A 89% (Typ) AEH60Y48
48V 1.2V @ 60A 85% (Typ) AEH60K48
48V 3.3V @ 60A 91% (Typ) ALH60F48
48V 2.5V @ 60A 90% (Typ) ALH60G48
48V 1.8V @ 60A 89% (Typ) ALH60Y48
48V 1.2V @ 60A 85% (Typ) ALH60K48
Note: 1. For Negative Enable add suffix “N”
Pin Assignments
Single Output
1. -Vin
2. Case
3. Enable (on/off)
4. +Vin
5. +Output
6. +Output
7. + Sense
8. Trim
9. - Sense
10. -Output
11. -Output
Notes:
1. 20 mHz bandwidth. External 10 uF tant. capacitor + 0.1 uF
cer. capacitor placed from +V out to -V out.
2. Requires a 2.2 mf, 100V film capacitor connected between +V
in and -V in to meet FCC class A and ETS300-386-1 require-
ments for conducted noise. Consult Factory for filtering
information to meet FCC class B, VDE or EIC specifications.
3. All specifications are typical at nominal line, full load, and 25°C
unless otherwise noted.
4. All specifications subject to change without notice. Mechanical
drawings are for reference only
5. Technical Reference Notes should be consulted for detailed
information when available
6. Warranty: 1yr
Note: ALH = 0.41” height
AEH = .5” Standard height
with Heatsink assembley
