Embedded Power for
Business-Critical Continuity
AEH-ALH80
Series
144 Watts
Total Power:
144 Watts
Input Voltage:
48 V
# of Outputs:
Single
Rev.5.12.10_128
AEH-ALH80 Series
1 of 2
Special Features
Electrical Specifications
Input
Input range:
Input surge:
Efficiency:
36-75 Vdc
100 V / 100 ms
87% @ 1.8 V (typical)
< 2%
50 mVp-p (typical)
Up to 10% Vo
• Ultra high efficiency
• Open frame (ALH80) and
Baseplate (AEH80)
• Redundant output power
pins (with single pair option)
• Positive or negative enable
logic control option
• Low output ripple and noise
• High capacitive load limit on
start-up
• Remote sense compensation
• Regulation to zero load
• Fixed frequency switching
(400 kHz)
• Meets basic insulation
Output
Regulation:
(Line, Load, Temp)
Ripple and noise
1
:
Remote sense:
Transient response:
Output voltage adjust range: ± 10% Vo, nominal
4% deviation with
50 to 75% step load
300 µs recovery
Overvoltage protection:
130% Vo,nominal (latching)
Overcurrent protection:
120% lo,max (latching)
Overtemperature protection: Shutdown - autorecovery mode
Isolation voltage:
1500 Vdc
Control
Enable:
TTL compatible (positive or negative enable options)
Environmental Specifications
Operating temperature:
Safety
• UL, cUL
• TUV
60950 Recognized
EN60950 Licensed
Storage temperature:
Overtemperature protection:
MTBF:
-40 °C to +100 °C baseplate (AEH80)
-40 °C to +85 °C Ambient Air (ALH80)
-55 °C to +125 °C
115 °C PCB temperature typical
> 1 million hours
Embedded Power for
Business-Critical Continuity
Ordering Information
Input Voltage
48 V
48 V
48 V
48 V
48 V
48 V
48 V
Output Voltage
1.2 V @ 80 A
1.5 V @ 80 A
1.8 V @ 80 A
1.8 V @ 80 A
1.2 V @ 80 A
1.5 V @ 80 A
1.8 V @ 80 A
Efficiency
2
83%
85%
87%
87%
83%
85%
87%
Model Number
AEH80K48(N)-(3)
AEH80M48(N)-(3)
AEH80Y48(N)-(3)
AEH80Y48N-63T
ALH80K48(N)-(3)
ALH80M48(N)-(3)
ALH80Y48(N)-(3)
Americas
Rev.5.12.10_128
AEH-ALH80 Series
2 of 2
5810 Van Allen Way
Carlsbad, CA 92008
USA
Telephone: +1 760 930 4600
Facsimile: +1 760 930 0698
Notes:
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 (pins 6 and 10 omitted)
Standard pin length is 5 mm nominal. Consult factory for other options.
Europe (UK)
Waterfront Business Park
Merry Hill, Dudley
West Midlands, DY5 1LX
United Kingdom
Telephone: +44 (0) 1384 842 211
Facsimile: +44 (0) 1384 843 355
Pin Assignments
OPEN FRAME (ALH)
2.30 [58.4]
0.42 [10.6]
0.20 [5.1]
1.90 [48.3]
0.20[5.1]
Asia (HK)
Pin Number
Pin 1
Pin 2
Pin 3
Pin 4
Pin 5
Pin 6
Pin 7
Pin 8
Pin 9
Pin 10
Pin 11
Notes:
Function
+Vin
Enable (On/Off)
Case (AEH)
-Vin
+ Output
+ Output (optional pin)
+ Sense
Trim
- Sense
- Output (optional pin)
- Output
+Vin
1
+ Output
2.40 [60.9]
2.00 [50.8]
0.08Ø [2.0 Ø] 4 PLACES
14/F, Lu Plaza
2 Wing Yip Street
Kwun Tong, Kowloon
Hong Kong
Telephone: +852 2176 3333
Facsimile: +852 2176 3888
0.04Ø [1.0 Ø] 7 PLACES
For global contact, visit:
www.Emerson.com/EmbeddedPower
techsupport.embeddedpower
@emerson.com
While every precaution has been taken to ensure
accuracy and completeness in this literature, Emerson
Network Power assumes no responsibility, and disclaims
all liability for damages resulting from use of this
information or for any errors or omissions.
-Vin
- Output
PIN SIDE DOWN
2.30 [58.4]
0.20 [5.1]
1.90 [48.3]
2.30 [58.4]
1.90 [48.3]
1.20 [30.5]
0.90 [22.9]
0.50 [12.7]
0.70 [17.8]
0.70 [17.8]
SIDE VIEW
0.20 [5.1]
0.50 [12.7]
0.90 [22.9]
1.50 [38.1]
1. 20 MHz bandwidth. External 10uF tant.
capacitor + 0.1uF cer. capacitor placed
from +V out to -V out.
1.70 [43.2]
1.20 [30.5]
[38.2]
1.50
0.90 [22.9]
1.70 [43.2]
1.90 [48.3]
1.50 [38.2]
1.90 [48.3]
0.90 [22.9]
1.90 [48.3]
1.50 [38.1]
1.90 [48.3]
1
1
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
requirements for conducted noise.
Consult Factory for filtering information
to meet FCC class B, VDE or EIC
specifications.
3. Suffix “-6” for 3.7mm nominal pin length,
“3” for standard halfbrick pinout (Pin 6
& 10 omitted), “T” for tuned version for
specific transient response requirement.
Minimum capacitance required. Refer to
TRN for details.
2. All specifications are typical at nominal
line, full load, and 25°C unless otherwise
noted.
3. All specifications subject to change
without notice. Mechanical drawings are
for reference only.
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business-critical continuity.
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©2008 Emerson Electric Co.
PIN SIDE UP
BASEPLATE (AEH)
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
0.47
[11.9]
PIN SIDE DOWN
0.20 [5.1]
2.30 [58.4]
1.90 [48.3]
0.70 [17.8]
SIDE VIEW
4. Technical Reference Notes should be
consulted for detailed information when
available.
5. Warranty: 1yr
0.50 [12.7]
0.90 [22.9]
1.50 [38.1]
1.90 [48.3]
4
3
2
1
5
6
7
8
9
10
11
1.20 [30.5]
0.90 [22.9]
1.70 [43.2]
1.50 [38.2]
1.90 [48.3]
PIN SIDE UP
Embedded System
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