EUROPE

Astec House, Waterfront Business Park

Merry Hill, Dudley

West Midlands, DY5 1LX, UK

Telephone: 44 (1384) 842-211

Facsimile: 44 (1384) 843-355

AMERICAS

5810 Van Allen Way

Carlsbad, CA 92008

Telephone: 760-930-4600

Facsimile: 760-930-0698

2

www.astecpower.com

ASIA

Units 2111-2116, Level 21

Tower1, Metroplaza

223, Hing Fong Road

Fwai Fong, New Territories

Hong Kong

Telephone: 852-2437-9662

Facsimile: 852-2402-4426

Ordering Information

Input Voltage

Output Voltage

Output Current

Model Number

36V to 75V

12.0V

10A

92.0%

A(X)O10B48 (N) - (6)(S)

36V to 75V

5.0V

20A

93.0%

A(X)O20A48 (N) - (6)(S)

36V to 75V

3.3V

30A

91.0%

A(X)O30F48 (N) - (6)(S)

36V to 75V

2.5V

35A

90.0%

A(X)O35G48(N) - (6)

36V to 75V

1.8V

40A

89.5%

A(X)O40Y48 (N) - (6)

36V to 75V

1.5V

40A

88.0%

A(X)O40M48(N) - (6)

36V to 75V

1.2V

40A

86.0%

A(X)O40K48 (N) - (6)

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)

: “-6” = 3.7mm nominal pin length (default is 5mm nominal pin length with no suffix “-6” required)

(S) : “-S” = Surface Mount Termination (default is Through Hole Termination with no suffix “-S” required)

Single Output

1. +Vin

2. Enable (On/Off)

3. -Vin

5. -Sense

6. Trim

7. +Sense

Notes:

1. Efficiency measurements are typical values taken at

full load, nominal line and T

2. 20 MHz bandwidth. External 10 uF tant. capacitor in

parallel with 1 uF ceramic capacitor placed across

the output and secondary return ground.

3. All specifications are typical at nominal line, full load

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)

0 = 0.062 [1.57], others

= 0.04 [1.0] (6X).

6. Technical Reference Notes should be consulted for

detailed information.

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 D: AUGUST 25, 2005)

Pin Assignment

0.75

[19.1]

2.19

[55.5]

0.15

[3.8]

0.30

[7.6]

0.45

[11.4] 0.60

[15.2] 0.75

[19.1]

0.15

[3.8]

0.45

[11.4]

ALO - OPENFRAME

0.31

[7.9]

0.15

[3.9]

0.32

[8.2]

0.15

[3.8]

0.30

[7.6]

0.45

[11.4]

0.60

[15.2]

0.75

[19.0]

0.15

[3.8]

0.45

[11.4]

0.75

[19.0]

2.00

[50.8]

0.39

[9.8]

0.15

[3.9]

0.40

[10.1]

0.23

[5.8]

PIN SIDE DOWN

AEO -BASEPLATE

SMT - Termination

TH - Termination

TH - Termination

SMT - Termination

PIN LENGTH

A

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

See A

See A