EUROPE
ASIA
AMERICAS
Astec House, Waterfront Business Park
Merry Hill, Dudley
Units 2111-2116, Level 21
Tower1, Metroplaza
223, Hing Fong Road
Fwai Fong, New Territories
Hong Kong
5810 Van Allen Way
Carlsbad, CA 92008
Telephone: 760-930-4600
Facsimile: 760-930-0698
West Midlands, DY5 1LX, UK
Telephone: 44 (1384) 842-211
Facsimile: 44 (1384) 843-355
Telephone: 852-2437-9662
Facsimile: 852-2402-4426
Ordering Information
1
Input Voltage
Output Voltage
Output Current
Efficiency
Model Number
36V to 75V
36V to 75V
36V to 75V
36V to 75V
36V to 75V
36V to 75V
36V to 75V
12.0V
5.0V
3.3V
2.5V
1.8V
1.5V
1.2V
4A
93.0%
93.0%
91.0%
90.0%
90.0%
88.5%
87.0%
A(X)O04B48 (N) - (6)(S)
A(X)O12A48 (N) - (6)(S)
A(X)O20F48 (N) - (6)(S)
A(X)O20G48 (N) - (6)(S)
A(X)O25Y48 (N) - (6)(S)
A(X)O25M48(N) - (6)(S)
A(X)O25K48 (N) - (6)(S)
12A
20A
20A
25A
25A
25A
OPTIONS:
(X)
:
“L” = Open Frame / Low Profile
“E” = Baseplate Construction
(N) : "N" = designates Negative Logic Enable (default is Positive Enable with no suffix “N” required)
(6)
(S)
:
:
“-6”= 3.7mm nominal pin length (default is 5mm nominal pin length with no suffix “-6” required)
“-S”= Surface Mount Termination (default is Through Hole Termination with no suffix “-S” required)
ALO - OPENFRAME
Pin Assignment
0.15
[3.8]
2.19
[55.5]
0.30
0.15
[3.8]
[7.6]
Single Output
0.45
[11.4]
0.45
[11.4]
1. +Vin
2. Enable (On/Off)
0.60
[15.2]
0.75
[19.1]
0.75
[19.1]
3. -Vin
4. -VOUT
0.15
[3.9]
SMT - Termination
TH - Termination
5. -Sense
6. Trim
7. +Sense
8. +VOUT
0.31
[7.9]
0.32
[8.2]
Notes:
1. Efficiency measurements taken at full load, nominal
PIN LENGTH
A
See A
line and T = 25°C.
Std Pin Length: 0.189 [4.8] MIN
0.205 [5.2] MAX
A
2. 20 MHz bandwidth. External 10 uF tant. capacitor in
parallel with 1 uF ceramic capacitor placed across
the output and secondary return ground.
“-6” Option:
0.137 [3.5] MIN
0.152 [3.9] MAX
AEO -BASEPLATE
3. All specifications are typical at nominal line, full load
0.15
[3.8]
2.00
[50.8]
and T = 25°C unless otherwise noted.
0.30
A
0.15
[3.8]
[7.6]
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
0.45
[11.4]
0.45
[11.4]
0.60
[15.2]
0.75
[19.0]
0.75
[19.0]
x 3.15]); through hole pin diameter (Pins 4 & 8)
0.062 [1.57], others = 0.04 [1.0] (6X).
6. Technical Reference Notes should be consulted for
detailed information.
=
0.15
[3.9]
SMT - Termination
TH - Termination
0.39
[9.8]
7. Warranty: 1yr.
* Astec reserves the right to make changes to the information
contained herein without notice and assumes no liability as a
result of its use and application. (REV G:AUGUST 25, 2005).
0.40
[10.1]
0.23
[5.8]
See A
www.astecpower.com
2
ASTEC [ Astec America, Inc ]
