Astec Industry Standard
75 Amps
AEQ75Y48
High Efficiency Quarter Brick
Total Power:
Input Voltages:
No. of Outputs:
135W
48V
Single
Electrical Specs
Input
Input Range
Input Surge
Efficiency
36 to 75 VDC
100V /100ms
89% typical
Output
Output Current
Line/Load Regulation
Noise/Ripple
Remote sense
Transient Response
75A max
<0.15%Vo typical
25mV typical
Up to 10% of Vo
4% deviation typical
50% to 75% Load change
0.1A/µs Slew Rate
100µs recovery
120% Vo (autorecovery)
110% Io (autorecovery)
500kHz
Special Features
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•
•
•
•
•
•
•
•
•
High Efficiency
Baseplate construction
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
EU Directive 2002/95/EC Compliant for RoHS
Overvoltage Protection
Current Limit
Switching Frequency
Control
Voltage Adjust
Enable
90 to 110% Vo
TTL compatible
(Positive or Negative Logic options)
Environmental
Operating temperature range:
-40°C to +105°C Baseplate
Storage temperature: -40°C to +125°C
Overtemperature protection: 115°C PCB
temperature (Typical)
MTBF: > 1 million hours
Safety
UL, cUL 60950
TUV
EN60950
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North America (USA): 1-888-41-ASTEC
Europe (UK): 44 (1384) 842-211
Asia (HK): 852-2437-9662
AMERICAS
5810 Van Allen Way
Carlsbad, CA 92008
Telephone: 760-930-4600
Facsimile: 760-930-0698
EUROPE
Astec House, Waterfront Business Park
Merry Hill, Dudley
West Midlands, DY5 1LX, UK
Telephone: 44 (1384) 842-211
Facsimile: 44 (1384) 843-355
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
AEQ75Y48
Ordering Information
Input
Voltage
36V to 75V
Output
Voltage
1.8V
Output
Current
75A
Efficiency
Model Number
89% Typ
AEQ75Y48(N) - (6)(3)(L)
OPTIONS
suffix "N" = Negative Logic Enable (without suffix “N” designates Positive Logic Enable)
suffix “6” = 3.7mm nominal pin length (5mm pin length default)
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)
suffix “L” = RoHS compliant (RoHS 6) / “Blanks” = RoHS compliant with Lead (Pb) in solder exemption (RoHS 5)
Pin Assignments
Single Output
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
+Vin
Enable
- Vin
Common
Common
- Sense
Trim
+ Sense
+ Vout
+ Vout
(OPTIONAL)
2.30
[58.4]
1.86
[47.3]
MOUNTING HOLE (2X)
M3 X 0.5 THROUGH
MAXIMUM SCREW TOURQUE 3.9 LBS(0.44 N-m)
(OPTIONAL)
1.45
[36.8]
0.21
[5.3]
1.03
[26.1]
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. 2 Year warranty
0.60
[15.2]
0.15
[3.8]
0.43
[10.9]
PIN SIDE DOWN
0.22
[5.6]
0.44
[11.2]
SIDE VIEW
Pin Length Option
0.20 (TYP)
[5.1]
Suffix “-6”: 3.7mm nominal
Default: 5mm nominal
0.43
[10.9]
0.15
[3.8]
0.30
[7.6]
4
5
6
7
8
9
Astec Industry
Standard
2.00
[50.8]
1.88
[47.7]
0.30
[7.6]
3
2
1
10
0.45
[11.4]
0.60
[15.2]
* 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. (REV02: DECEMBER 20, 2006)
Ø 0.040 (1.02) DIA PINS (6 PLCS)
PIN SIDE UP
Ø 0.060 (1.52) DIA PINS (4 PLCS)
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