Embedded Power for
Business-Critical Continuity
ALQ25/AEQ25
Series
62.5 to 100 Watts
Rev. 01.24.07
AEQ25Series
1 of 2
Total Power:
100 Watts (5 and 12Vo device)
82.5 Watts (for the 3.3Vo device)
62.5 Watts (for the 2.5Vo device)
Input Voltage: 36-75 VDC
# of Output: Single
Electrical Specifications
Input
Input Range
Input Current (max.)
Input Reflected-ripple
36 to 75 VDC
3.4 A
20 mAp-p 5Hz to 20MHz: 12uH source impedance, TA=25
º
C
Special Features
• Delivers up to 25 A output
current
• Industry standard quarter
brick
• Basic Isolation
• Ultra HIgh Efficiency
• Improved thermal perform-
ance: 12A (6.3A for the 8 V)
at 55
º
C 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 protec-
tion
• Over temperature protection
• RoHS Compliant
Current
Output
Output
Output voltage
Output Current
Efficiency
Line output regulation
2.5V, 3.3V, 5V and 12V nominal
25A (8.3 A for the 12 Vo, 20A for the 5V)
>87% (See ordering information)
8 mV (5 mV Typical) : 2.5 V device
10 mV (5 mV Typical) : 3.3 V and 5 V device
25 mV (12 mV Typical) : 12 V device
Load Output Regulation 15 mV max ( 10 mV Typ) : 2.5 V device
20 mV max (10 mV Typ) : 3.3 V and 5 V device
70 mV max (25 mV Typ) : 12 V device
Switching Frequency
300 Khz
Isolation
I/O isolation
Isolation Resistance
1500 Vdc
>10 Mohms
Environmental Specifications
Operating ambient temperature range
-40
º
C to 70
º
C
-55
º
C to 125
º
C
0.02 %Vo/
ºC
2 Million hours (typ.); Io=Io-max; Tc=25
ºC
Storage temperature
Temperature Regulation
Calculated MTBF
Safety
UL cUL
CSA
EN0950
m
Embedded Power for
Business-Critical Continuity
Ordering Information
Vin (V)
36-75
36-75
36-75
36-75
36-75
36-75
36-75
36-75
Vout (V)
2.5
2.5
3.3
3.3
5
5
12
12
Iout (A)
25
25
25
25
20
20
8.33
8.33
Effy
88%
88%
89.5%
89.5%
90%
90%
90%
90%
Model Number
AEQ25G48(N)-L
ALQ25G48(N)-L
AEQ25F48(N)-L
ALQ25F48(N)-L
AEQ20A48(N)-L
ALQ20A48(N)-L
AEQ08B48(N)-L
ALQ08B48(N)-L
Astec Power
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
Rev. 01.24.07
AEQ25Series
2 of 2
Note: Option “N” is for the negative enabled option, omit if converter is positve
enabled.
Mechanical Drawing
For global contact, visit:
www.astecpower.com
technicalsupport@astec.com
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
Open-Framed
Emerson Network Power.
The global leader in enabling
business-critical continuity.
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Connectivity
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Outside Plant
Precision Cooling
Site Monitoring and Services
Baseplate
Pin 1
Pin 2
Pin 3
+Vin
CNT
-Vin
Pin 4
Pin 5
Pin 6
Pin 7
Pin 8
+Vo
+Sense
Trim
-Sense
-Vo
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Emerson Network Power and the Emerson
Network Power logo are trademarks and
service marks of Emerson Electric Co.
©2006 Emerson Electric Co.
m
Analog electronics
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