North America (USA): 1-888-41-ASTEC
Europe (UK): 44 (1384) 842-211 Asia (HK): 852-2437-9662
1
Special Features
Electrical Specs
Special Features
75 Amps
High Efficiency
Baseplate construction
-40C to +85C Ambient Air or up to +100C
Baseplate Operating Temperature Range
Industry standard package 1.45" x 2.30"
Redundant output power pins
Startup and stable operation at high
capacitive load
Remote sense compensation
Regulation to zero load
Fixed frequency switching
Basic insulation
Input
Input Range
36 to 75 VDC
Input Surge
100V /100ms
Efficiency
89% typical
Output
Output Current
75A max
Line/Load Regulation
<0.15%Vo typical
Noise/Ripple
25mV typical
Remote sense
Up to 10% of Vo
Transient Response
4% deviation typical
50% to 75% Load change
0.1A/s Slew Rate
100s recovery
Overvoltage Protection
120% Vo (autorecovery)
Current Limit
110% Io (autorecovery)
Switching Frequency
500kHz
Control
Voltage Adjust
90 to 110% Vo
Enable
TTL compatible
(Positive or Negative Logic options)
Operating temperature range:
-40C to +105C Baseplate
Storage temperature: -40C to +125C
Overtemperature protection: 115C PCB
temperature (Typical)
MTBF: > 1 million hours
UL, cUL 60950
TUV
EN60950
Environmental
Total Power:
135W
Input Voltages:
48V
No. of Outputs:
Single
Safety
Astec Industry
Standard
AEQ75Y48
High Efficiency Quarter Brick
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.astecpower.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
Input
Output
Output
Efficiency
Model Number
Voltage
Voltage
Current
36V to 75V
1.8V
75A
89% Typ
AEQ75Y48(N) - (6)(3)
OPTIONS
suffix "N" = Negative Logic Enable (without suffix "N" designates Positive Logic Enable)
suffix "-3" = single pair of output pins (Pins 4 and 10 unstuffed)
without suffix "-3" = double pair of output pins (Pins 4, 5, 9, 10 are present)
Pin Assignments
AEQ75Y48
Single Output
1.
+Vin
2.
Enable
3.
- Vin
4.
Common
(OPTIONAL)
5.
Common
6.
- Sense
7.
Trim
8.
+ Sense
9.
+ Vout
10. + Vout
(OPTIONAL)
Notes:
1. Nominal values apply with sense pins connected
to +Vout and Ground Return with other control
pins unconnected.
2. Consult the Technical Reference Notes for more
detailed information.
3. Dimensions provided in the mechanical outline
are nominal values.
4. Specifications subject to change without notice.
5. 1 Year warranty
* Astec reserves the right to make changes to the information
contained herein without notice and assumes no liability as a
result of its use or application. (REV01: JULY 22, 2005)
Astec Industry
Standard
0.15
[3.8]
2.00
[50.8]
0.15
[3.8]
0.60
[15.2]
0.040 (1.02) DIA PINS (6 PLCS)
4
10
1
3
2
PIN SIDE UP
0.43
[10.9]
0.30
[7.6]
1.88
[47.7]
5
6
7
8
9
0.60
[15.2]
0.45
[11.4]
0.30
[7.6]
0.060 (1.52) DIA PINS (4 PLCS)
2.30
[58.4]
1.03
[26.1]
1.86
[47.3]
PIN SIDE DOWN
1.45
[36.8]
0.21
[5.3]
MAXIMUM SCREW TOURQUE 3.9 LBS(0.44 N-m)
0.20 (TYP)
SIDE VIEW
0.43
[10.9]
[5.1]
0.44
[11.2]
M3 X 0.5 THROUGH
MOUNTING HOLE (2X)
0.22
[5.6]
Pin Length Option
Suffix "-6": 3.7mm nominal
Default: 5mm nominal
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