ASTEC AEH40

Embedded Power for
Business-Critical Continuity
Rev. 01.05.07
AEH40Series
1 of 2
AEH40 Series
132 Watts / 48 Watts
Total Power:
132 Watts (for the 3.3 Vo device)
48 Watts (for the 1.2 Vo device)
Input Voltage: 36 - 75 VDC
# of Outputs: Single
Electrical Specifications
Input
Input Range
36 to 75 VDC
Input Current (max.)
6.2 A (for the 3.3 Vo device)
2.0 A (for the 1.2 Vo device)
Input Reflected-ripple
20 mAp-p 5Hz to 20MHz: 12uH source impedance, TA=25 ºC
CurrentOutput
Special Features
• Delivers up to 40A output
current
• Basic Isolation
• Ultra HIgh Efficiency
• Improved thermal performance: 40A at 70 ºC at 1.5ms-1
(300LFM)
• High power density
• Low output noise
• Industry standard pinout
• 2:1 wide input voltage
• CNT function
• Remote sense
• Trim function: +10% / -20%
• Input under-voltage lockout
• Output over-current lockout
• Output over-voltage protection
• Over temperature protection
• RoHS Compliant
Output
Output voltage
3.25 to 3.35 Vdc (3.3 Vdc Nominal)
1.18 to 1.22 Vdc (1.2 Vdc Nominal)
Output Current
0 to 40 A
Efficiency
>87% (89% typ) : 3.3 Vo device
>80% (81% typ) : 1.2 Vo device
Line output regulation
10 MV max. (5MV Nominal) : 3.3 Vo device
5 MV max. (3MV Nominal) : 1.2 Vo device
Load Output Regulation 20 mV max (10 mV Typ) : 3.3 Vo device
18 mV max (5 mV Typ) : 1.2 Vo device
Switching Frequency
280KHz for the 3.3 Vo
220KHz for the 1.2 Vo
Isolation
I/O isolation
1500 Vdc
Isolation Capacitance
1000 pF
Isolation Resistance
>10 Mohms
Environmental Specifications
Operating ambient temperature range
-40 ºC to 70 ºC
Safety
Storage temperature
-55 ºC to 125 ºC
UL cUL
TUV
Temperature Regulation
0.02 %Vo/ºC
Calculated MTBF
2 Million hours (typ.); Io=Io-max; Tc=25 ºC
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Embedded Power for
Business-Critical Continuity
Astec Power
Ordering Information
Vin (V)
36-75
Vout (V)
3.3
Iout (A)
Effy
Model Number
40
89%
AEH40F48N
36-75
3.3
40
89%
AEH40F48
36-75
1.2
40
81%
AEH40K48N
36-75
1.2
40
81%
AEH40K48
Mechanical Drawing
Rev. 01.05.07
AEH40Series
2 of 2
5810 Van Allen Way
Carlsbad, CA 92008
USA
Telephone: +1 760 930 4600
Facsimile: +1 760 930 0698
Technical Support: +1 888 41 ASTEC
or +1 407 241 2752
Waterfront Business Park
Merry Hill, Dudley
West Midlands, DY5 1LX
United Kingdom
Telephone: +44 (0) 1384 842 211
Facsimile: +44 (0) 1384 843 355
Units 2111-2116, Level 21
Tower 1, Metroplaza
223, Hing Fong Road
Kwai Fong, New Territories
Hong Kong
Telephone: +852 2437 9662
Facsimile: +852 2402 4426
For global contact, visit:
www.astecpower.com
[email protected]
While every precaution has been taken to ensure
accuracy and completeness in this literature, Astec
Power assumes no responsibility, and disclaims
all liability for damages resulting from use of this
information or for any errors or omissions.
Printed in US A
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business-critical continuity.
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