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

Ordering Information

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

Input

Output

Efficiency

Model Number

Voltage

Voltage

48V

12V @ 29.17A

92.7%

AEH30B48

48V

12V @ 29.17A

92.7%

AEH30B48N

OPTION:

suffix “N” = Negative Enable

no suffix “N” = Positive Enable (default)

1 +Vin

1.90

[48.3]

1.50

[38.1]

1.20

[30.4]

0.90

[22.8]

1.90

[48.3]

1.50

[38.2]

1.20

[30.5]

0.90

[22.9]

5

4

2 Enable (On/Off)

9 +Output

MECHANICAL TOLERANCE ± .002(0.5)

PIN PLACEMENT TOLERANCE : ± 0.005(0.127)

ALLDIMENSIONSAREININCHES(MILLIMETERS)

PIN SIDE UP

3

2

1

7

6

9

3CASE

7 Trim

8 +Sense

6-Sense

5-Output

NOTES:

4 - Vin

PIN ASSIGNMENT

0.04Ø

[2.0Ø] 2 PLACES

PIN SIDE DOWN

1.90

[48.3]

1.90

[48.3]

2.30

[58.4]

0.50

[12.7]

0.20

[5.1]

0.20

[5.1]

- Vin

+Vin

0.50

[12.7]

M3 X0.5 MOUNTING HOLE

0.50

[12.7]

4 PLACES

2.40

[61.0]

2.00

[50.8]

-Output

+Output

SIDE VIEW

0.46

[11.8]

0.08Ø

0.20

[5.2]

[1.0Ø] 7 PLACES

Pin Assignments

Single Output

1. +Vin

2. Enable (On/Off)

3. Case (AEH)

4. -Vin

5. - Output

6. - Sense

7. Trim

8. + Sense

9. + Output

Notes:

1. Typical efficiency measurement taken at nominal

line, full load, 25°C ambient.

2. 20 MHz BW with external 10uF/25V tantalum in

parallel with 0.1uF/50V X7R ceramic capacitor

placed across the output.

3. Total output power not to exceed 350W.

4. Requires a 2.2 uf, 100V film capacitor connected

between +V in and -V in to meet FCC class A

and ETS300-386-1 requirements for conducted

noise. Consult Factory for filtering information to

meet FCC class B, VDE or EIC specifications.

5. All specifications are typical at nominal line, full

load, and 25°C unless otherwise noted.

6. All specifications subject to change without

notice. Mechanical drawings are for reference

only.

7. Technical Reference Notes should be consulted

for detailed information.

8. 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 or application. (REV A: AUGUST 25, 2005)

MECHANICAL TOLERANCE ± .002(0.5)

PIN PLACEMENT TOLERANCE : ± 0.005(0.127)

ALLDIMENSIONSAREININCHES(MILLIMETERS)

NOTES: