80Amps
Ultra High Efficiency
PRELIMINARY
AEH80
ALH80
(Open Frame)
Total Power:
Input Voltages:
No. of Outputs:
144 Watts (1.8V@80Amps)
48 V
Single
Electrical Specs
Input
Input range
Input Surge
Efficiency
36-75 VDC
100V / 100ms
87%@1.8V (Typical)
Control
Enable
TTL compatible
(positive & negative enable
options)
Output
Regulation
(Line, Load, Temp)
Ripple and noise
Remote sense
Output voltage
adjust range
Transient Response
Overvoltage Protection
<2%
50mV p-p typical
Up to 10%Vout
+/-10% of nominal output
4% deviation with
50% to 75% step load
300 µs recovery
130% nominal output
Special Features
•
•
•
•
•
•
•
•
•
Ultra High efficiency, 1.8V@87% (Typical)
Open Frame (ALH80) and Baseplate (AEH80)
Redundant In-line Output Pins Option
Positive and Negative enable function
Low output ripple and noise
High capacitive load limit on start-up
Remote sense compensation
Regulation to zero load
Fixed frequency switching (200 kHz)
Environmental
Operating temperature
-40°C to +100°C Baseplate (AEH80)
-40°C to +85°C Ambient Air (ALH80)
Storage temperature: -55°C to +125°C
Overtemperature protection: 115°C PCB
Temperature (Typical)
MTBF: >1 million hours
Safety
UL, CUL 60950 Recognized (Pending)
TUV
EN60950 Licensed (Pending)
2
North America (USA): 1-888-41-ASTEC
Europe (UK): 44 (1384) 842-211Asia (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
Ordering Information
Input
Voltage
48V
48V
48V
48V
48V
48V
Output
Voltage
1.8V @ 80A
1.5V @ 80A
1.2V @ 80A
1.8V @ 80A
1.5V @ 80A
1.2V @ 80A
Efficiency
87% (Typ)*
85% (Typ)
83% (Typ)
87% (Typ)
85% (Typ)
83% (Typ)
Model Number
AEH80Y48
AEH80M48
AEH80K48
ALH80Y48
ALH80M48
ALH80K48
* Typical Efficiency measured at nominal input voltage at an ambient temperature of Ta = 25°C.
OPTIONS: suffix “N” = for Negative Enable (default is Positive Enable without Suffix “N”)
suffix “-3” = Standard half brick pinout with Pins 6 and 10 removed
Pin Assignments
0.20 [5.1]
2.30 [58.4]
0.42 [10.6]
1.90 [48.3]
0.23 [5.9]
Single Output
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
+Vin
Enable (on/off)
Case
-Vin
+Output
+Output (optional pin)
+ Sense
Trim
- Sense
-Output (optional pin)
-Output
-Output
- Vin
2.37 [60.3]
2.00 [50.8]
0.08Ø[2.0Ø] 4 PLACES
0.04Ø [1.0Ø] 7 PLACES
+O
utput
+ Vin
PIN SIDE DOWN
0.50 [12.7]
0.50 [12.7]
SIDE VIEW
PIN ASSIGNMENT
0.70 [17.8]
0.90 [22.9]
1.20 [30.5]
1.50 [38.1]
1.70 [43.2]
1.90 [48.3]
11
10
9
8
7
6
5
0.90 [22.8]
1
2
1.50 [38.1]
1.90 [48.3]
3
4
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
1 + Vin
2 Enable (O ff)
n/O
3 CASE
4 - Vin
5-6 -O
utput
7 -Sense
8 Trim
9 + Sense
10-11 + Output
NOTES:
ALL DIMENSIONS ARE IN INCHES (MILLIMETERS)
PIN PLACEMENT TOLERANCE : ± 0.005(0.127)
MECHANICAL TOLERANCE ± .002(0.5)
0.20 [5.1]
PIN SIDE UP
0.20 [5.1]
1.90 [48.3]
M3 X0.5 MOUNTING HOLE
4 PLACES
0.50 [12.7]
0.20 [5.1]
0.20 [5.1]
+ Vin
+ Output
0.08Ø[2.0Ø] 4 PLACES
0.04Ø [1.0Ø] 7 PLACES
2.00 [50.8]
2.40 [61.0]
- Vin
-Output
inches [mm]
0.47
[11.9]
0.50 [12.7]
PIN SIDE DOWN
0.50 [12.7]
SIDE VIEW
PIN ASSIGNMENT
0.70 [17.7]
0.90 [22.9]
* This is a Preliminary Data Sheet. Aastec 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 (FEBRUARY 13, 2003)
1.20 [30.5]
1.50 [38.1]
1.70 [43.1]
1.90 [48.3]
11
10
9
8
7
6
5
1
2
0.90 [22.8]
1.50 [38.1]
1.90 [48.3]
3
4
1 + Vin
2 Enable (O
n/Off)
3 CASE
4 - Vin
5-6 -Output
7 -Sense
8 Trim
9 + Sense
10-11 + Output
0.20 [5.1]
1.90 [48.3]
PIN SIDE UP
NOTES:
ALL DIMENSIONS ARE IN INCHES (MILLIMETERS)
PIN PLACEMENT TOLERANCE : ± 0.005(0.127)
MECHANICAL TOLERANCE ± .002(0.5)
RECOMMENDED SCREW TORQUE SETTING FOR MOUN
INTO CUSTOMER BOARD MUST BE 5-6 LB/IN
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