Embedded Power for
Business-Critical Continuity
ALO15B50
180 Watts
Special Features
High efficiency (96% Typical)
Industry standard package
8th Brick 0.90" x 2.30" x 0.38"
High capacitive load limit on
start-up
12V Intermediate Bus
Voltage for DPA application
Output Enable Pin
Undervoltage lockout
Over Temperature Protection
Meets Basic Insulation
EU directive 2002/95/EC
compliant for RoHS
Total Power:
180 Watts
Input Voltage: 48V
# of Outputs:
Single
Electrical Specifications
Safety
Input
Input range
36V to 55V
Efficiency
96%@ 12V (typical)
Over Voltage Protection
60V typical
Output
Output current
0A to 15 max (180W output power)
Line regulation
-25% / +15% Vo, nom
Load regulation
5% Vo (typical)
Noise/ripple
1
90mV (typical)
Over current limit
115% IO,MAX typical (autorecovery)
Over temperature protection 125C average PCB temperature (autorecovery)
Switching frequency
220kHz
Control
Enable
Positive and Negative logic options
Isolation Voltage
Input to Output
1500Vdc max
U
ULL,, ccU
ULL 60950-1
T
TU
UV
V
EN60950-1
Rev. 04.20.06
ALO15B50
1 of 2
Operating ambient temperature range
-40C to +85C ambient
Storage temperature
-55C to +125C
MTBF
>1 million hours
Environmental Specifications
RoHS
Emerson Network Power and the Emerson
Network Power logo are trademarks and
service marks of Emerson Electric Co.
2006 Emerson Electric Co.
Embedded Power for
Business-Critical Continuity
Emerson Network Power.
The global leader in enabling
business-critical continuity.
EmersonNetworkPower. com
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Site Monitoring and Services
Pin Assignments
Single Output
1. +Vin
2. Enable
3. -Vin
4. -Vout
5. Blank
6. Blank
7. Blank
8. +Vout
Notes:
1. Measured at 20 MHz bandwidth with external
10
F tant. capacitor in parallel with 1 F
ceramic capacitor placed across +vout and -
Vout.
2. Efficiency measurements are typical values
taken at 48V input, 12V ouput, full load and
T
A
= 25C.
3. All specifications are typical at nominal line,
full load and T
A
= 25C unless otherwise noted.
4. All specifications subject to change without
notice.
5. Mechanical drawings are for reference only.
Dimensions are in inches [millimeters]. Pin
placement tolerance 0.005 [0.127].
Mechanical Tolerance 0.02 [0.5]. Pin
diameter,
= 0.06" for Pin 4 (-Vout) and Pin 8
(+Vout), the rest of the pins are
= 0.04".
6. Technical Reference Notes should be consulted
for detailed information when available.
7. Warranty 1yr.
Mechanical Drawing
Astec Power
5810 Van Allen Way
Carlsbad, CA 92008
USA
Telephone: +1 760 930 4600
Facsimile: +1 760 930 0698
Technical Support: +1 888 41 ASTEC
or +1 407 241 2752
Waterfront Business Park
Merry Hill, Dudley
West Midlands, DY5 1LX
United Kingdom
Telephone: +44 (0) 1384 842 211
Facsimile: +44 (0) 1384 843 355
Units 2111-2116, Level 21
Tower 1, Metroplaza
223, Hing Fong Road
Kwai Fong, New Territories
Hong Kong
Telephone: +852 2437 9662
Facsimile: +852 2402 4426
For global contact, visit:
www.astecpower.com
technicalsupport@astec.com
While every precaution has been taken to ensure
accuracy and completeness in this literature, Astec
Power assumes no responsibility, and disclaims
all liability for damages resulting from use of this
information or for any errors or omissions.
Printed in US A
Ordering Information
Input
Voltage
Output Voltage
Output Current
Efficiency
2
Model Number
36 - 55V
12V
15A
96% Typ
ALO15B50(N)-(6)(L)
Options:
Enable Function
"N" = negative logic enable
without "N" = positive logic enable (default)
Pin Length Option "-6" = 3.7mm (nominal)
Standard pin length is 5mm nominal
RoHS Version
"L" = RoHS Compliant (RoHS 6)
without "L" = RoHS Compliant with lead (Pb) in solder exemption (RoHS 5)
Rev. 04.20.06
ALO15B50
2 of 2
* This is a Preliminary Data Sheet. Astec Power 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.
L
C
PIN SIDE UP
SIDE VIEW
PIN SIDE DOWN
0.21[5.2] MAX
0.20[5.0] MIN
PIN 1
PIN 8
0.06 [1.6](2X)
0.04 [1.0](3X)
0.60 [15.2]
0.15 [3.8]
0.30 [7.6]
2.00 [50.8]
0.15 [3.8]
0.15 [3.8]
0.30 [7.6]
2.30 [58.4]
0.90 [22.9]
0.38 [9.7]
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