Embedded Power for
Business-Critical Continuity
AEO/ALO Series
66/120 Watts
Total Power:
Up to 120 Watts
Input Voltage:
48V
# of Outputs:
Single
Rev. 09.30.08_100
AEO/ALO Series
1 of 4
Electrical Specifications
Special Features
Input
Input range:
Input surge:
Input UVLO:
Efficiency
2
:
36 - 75VDC
100V / 100ms
33-36 V (UVLO ON)
31-31 V (UVLO OFF)
93% @ 5V (typical)
<0.1% v
o
(typical)
Up to 25A for Vo < 1.8V
20mV
PK-PK
(typical for Vo < 2.5V)
2% typical deviation (50% to 75% Step Load)
<100us settling time (typ)
130% V
o
typ (autorecovery)
130% I
o,max
typ (autorecovery)
• 2.3” x 0.9” Industry Standard
8th brick outline
• Baseplate or Openframe
construction
• Low Ripple and Noise
• Regulation to zero load
• High Capacitive load start-up
• Fixed Frequency Switching
for EMI predictability
• Industry Standard features:
Input UVLO with
hysteresis, Enable, OVP, OCP,
OTP, Output, VoltageTrim,
Differential Remote Sense
• Meets Basic Insulation
• EU Directive 2002/95/EC
compliant for RoHS
Output
Line / Load Regulation:
Load Current:
Noise / Ripple
1
:
Transient Response:
Over Voltage Protection:
Over Current Protection:
Over Temperature Protection: 115°C average PCB temperature (autorecovery)
Switching Frequency:
Fixed Frequency
Isolation Voltage:
1500Vdc
Control
Output Voltage Trim:
Enable:
±10% V
O,NOM
TTL compatible (Positive or Negative logic)
Safety
UL, cUL
60950-1 Recognized
TUV
EN60950-1 Licensed
Embedded Power for
Business-Critical Continuity
Rev. 09.30.08_100
AEO/ALO25 Series
2 of 4
Environmental Specifications
Operating ambient temperature
Openframe:
Baseplate:
Storage temperature:
MTBF:
-40 °C to +85 °C Ambient
-40 °C to +100 °C Case
-55 °C to +125 °C
>1 Million hours
Ordering Information
120W Series
Output Voltage
12.0 V
5.0 V
3.3 V
2.5 V
1.8 V
1.5 V
1.2 V
Output Voltage
10.0 A
20.0 A
30.0 A
35.0 A
40.0 A
40.0 A
40.0 A
Output Voltage
4.0 A
12.0 A
20.0 A
20.0 A
25.0 A
25.0 A
25.0 A
Efficiency
93.0%
92.0%
91.0%
89.5%
88.0%
86.0%
85.0%
Efficiency
93.0%
92.0%
91.0%
90.0%
88.5%
86.5%
85.5%
Model Number
ALO10B48N-L
ALO20A48N-L
ALO30F48N-L
ALO35G48N-L
ALO40Y48N-L
ALO40M48N-L
ALO40K48N-L
Model Number
ALO4B48N-L
ALO12A48N-L
ALO20F48N-L
ALO20G48N-L
ALO25Y48N-L
ALO25M48N-L
ALO25K48N-L
Not for New Designs - Please check LES A Series
Not for New Designs - Please check LES A Series
Not for New Designs - Please check LES B Series
Not for New Designs - Please check LES B Series
Not for New Designs - Please check LES B Series
Not for New Designs - Please check LES B Series
Not for New Designs - Please check LES B Series
Not for New Designs - Please check LES B Series
Not for New Designs - Please check LES B Series
Not for New Designs - Please check LES B Series
66W Series
Output Voltage
12.0 V
5.0 V
3.3 V
2.5 V
1.8 V
1.5 V
1.2 V
Options
Construction
Size
Output Current
Output Voltage
Input Voltage
Remote ON/OFF
Logic
PIN Length O/P
Termination
RoHS
Designation
A
L
L = Low Profile;
Openframe
E = Baseplate
O
O = 8th Brick
10
10 = 10 Amps
20 = 20 Amps
30 = 30 Amps
35 = 35 Amps
40 = 40 Amps
B
B = 12.0V
A = 5.0V
F = 3.3V
G = 2.5V
Y = 1.8V
M = 1.5V
K = 1.2V
48
48 = 48V
(36-75 V Range)
N
N = Negative
Blank = Positive
-
6
Through Hole:
6 = 3.6mm
Blank = 5mm
S = Surface Mount*
*Available for Low
Profile; Openframe
(ALO) Version only
L
L = RoHS 6/6
Blank = RoHS 5/6
Embedded Power for
Business-Critical Continuity
Mechanical Drawing
OPEN FRAME THROUGH HOLE
Rev. 09.30.08_100
AEO/ALO25 Series
3 of 4
ALO SERIES THRU
ALO SERIES THRU HOLE PIN
2.30
[58.4]
2.30
[58.4]
HOLE PIN
Pin Assignments
Single Output
1. +Vin
2. Enable (On/off)
3. -Vin
4. -VOUT
5. -Sense
6. Trim
7. +Sense
8. +VOUT
+ Vin
0.90
[22.9]
0.90
E
[22.9]
+ Vin
E
- Vin
- Vin
+ Output
+ Output
+ Sense
+ Sense
Trim
Trim
-Sense
-Sense
-Output
-Output
PIN SIDE DOWN
DOWN
PIN SIDE
0.32
[8.2]
0.32
[8.2]
0.45
[11.4]
0.15
[3.8]
0.45
[11.4]
0.15
[3.8]
0.15
[3.8]
2.00
[50.8]
2.00
[50.8]
0.15
[3.8]
0.30
0.30
[7.6]
[7.6]
0.75
[19.0]
0.75
[19.0]
0.45
0.45
[11.4] 0.60
[11.4] 0.60
[15.2] 0.75
[15.2] 0.75
[19.0]
[19.0]
PIN SIDE UP
PIN SIDE UP
SIDE
SIDE VIEW
VIEW
BASEPLATE THROUGH HOLE
AEO SERIES THRU HOLE PIN
2.30
[58.4]
2.30
[58.4]
Notes:
1. Measured at 20 MHz bandwidth
with external 10 µF tant.
capacitor in parallel with 0.1 µF
ceramic capacitor connected
across
+Vout and -Vout; 220 µF e-cap or
equivalent connected across
+Vin and -Vin.
2. Efficiency measurements are
typical values taken at full load,
nominal line and T
A
= 25°C
3. All specifications are typical at
nominal line, full load and TA =
25°C unless otherwise noted.
4. All specifications subject to
change without notice.
5. Mechanical drawings are for
reference only. Dimensions are in
inches [mm]. Pin placement
tolerance ± 0.005 [0.127].
Mechanical Tolerance ± 0.02
[0.5], recommended surface
mount pads (min: 0.080 x 0.112
[2.03 x 2.84] / max: 0092 x 0.124
[2.34 x 3.15]); through hole pin
diameter (Pins 4 & 8) f = 0.062
[1.57], others f = 0.04 [1.0] (6X).
6. Technical Reference Notes should
be consulted for detailed
information when available.
8. Warranty 2yrs.
+ Vin
+ Vin
0.90
[22.9]
0.90
[22.9]
E
- Vin
E
- Vin
+ Output
+ Sense
Trim
-Sense
-Output
+ Output
+ Sense
Trim
-Sense
-Output
PIN LENGTH
A
PIN SIDE DOWN
PIN SIDE DOWN
0.40
[10.1]
0.23
[5.8]
0.40
[10.1]
0.23
[5.8]
Std Pin Length: 0.189 [4.8] MIN
0.205 [5.2] MAX
“-6” Option:
0.137 [3.5] MIN
0.152 [3.9] MAX
0.15
[3.8]
0.45
[11.4]
0.75
[19.0]
0.15
2.00
[3.8]
[50.8]
0.45
[11.4]
2.00
[50.8]
0.15
[3.8]
0.15
[3.8]
0.30
[7.6]
0.30
[7.6]
0.75
[19.0]
0.45
[11.4]
0.45
[11.4]
0.60
[15.2]
0.60
[15.2]
0.75
[19.0]
0.75
[19.0]
PIN SIDE UP
PIN SIDE UP
SIDE VIEW
SIDE VIEW
Embedded Power for
Business-Critical Continuity
Mechanical Drawing
OPEN FRAME SURFACE MOUNT
2.30
+ Vin
0.90
[22.9]
[58.4]
Americas
+ Output
+ Sense
Trim
-Sense
-Output
ALO OPEN FRAME SMT PIN
2.30
[58.4]
E
- Vin
0.90
[22.9]
5810 Van Allen Way
Carlsbad, CA 92008
USA
Telephone: +1 760 930 4600
Facsimile: +1 760 930 0698
+ Output
+ Sense
Trim
-Sense
-Output
Rev. 09.30.08_100
AEO/ALO25 Series
4 of 4
+ Vin
0.90
[22.9]
+ Vin
E
- Vin
Europe (UK)
E
- Vin
PIN SIDE DOWN
PIN SIDE DOWN
0.15
[3.9]
0.31
[7.9]
0.15
[3.9]
0.31
[7.9]
Waterfront Business Park
Merry Hill, Dudley
West Midlands, DY5 1LX
United Kingdom
Telephone: +44 (0) 1384 842 211
Facsimile: +44 (0) 1384 843 355
Asia (HK)
2.19
[55.5]
0.15
[3.8]
0.45
[11.4]
0.75
[19.1]
2.19
[55.5]
0.15
[3.8]
0.45
[11.4]
0.75
[19.1]
0.15
[3.8]
0.30
[7.6]
0.15
[3.8]
0.30
[7.6]
14/F, Lu Plaza
2 Wing Yip Street
Kwun Tong, Kowloon
Hong Kong
Telephone: +852 2176 3333
Facsimile: +852 2176 3888
0.31
[7.9]
For global contact, visit:
www.powerconversion.com
techsupport.embeddedpower
@emerson.com
0.45
[11.4]
0.75
[19.1]
0.15
[3.8
0.45
[11.4] 0.60
[15.2] 0.75
[19.1]
0.45
[11.4] 0.60
[15.2] 0.75
[19.1]
PIN SIDE UP
PIN SIDE UP
SIDE VIEW
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.
SIDE VIEW
Emerson Network Power.
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