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service marks of Emerson Electric Co.

©2006 Emerson Electric Co.

Embedded Power for

Business-Critical Continuity

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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

µF tant. capacitor in parallel with 1 µF

ceramic capacitor placed across +vout and -

Vout.

2. Efficiency measurements are typical values

taken at 48V input, 12V ouput, full load and

3. All specifications are typical at nominal line,

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

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

Ø0.06 [Ø1.6](2X)

Ø0.04 [Ø1.0](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]