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

3

www.astecpower.com

ASIA

Units 2111-2116, Level 21

Tower1, Metroplaza

223, Hing Fong Road

Kwai Fong, New Territories

Hong Kong

Telephone: 852-2437-9662

Facsimile: 852-2402-4426

Ordering Information

Input Voltage

Output Voltage

Output Current

Model Number

19V to 60V

3.3V

20A

91%

ALO20F36(N) - (6)(L)

OPTIONS:

(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)

(L)

: "L" = RoHS compliant (RoHS 6) / “Blank” = RoHS compliant with Lead (Pb) in solder exemption

Single Output

1. +Vin

2. Enable (On/Off)

3. -Vin

5. -Sense

6. Trim

7. +Sense

Notes:

1. 20 MHz bandwidth. External 10 uF tant. capacitor in

parallel with 0.1 uF ceramic capacitor placed across

the output and secondary return ground.

2. Efficiency measurements are typical values taken at

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]. 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 when available.

7. Warranty 1yr.

This is a Preliminary Data Sheet. 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 03: MARCH 8, 2007)

Pin Assignment

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]

PIN SIDE UP

2.00

[50.8]

ALO - OPENFRAME

0.32

[8.2]

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

PIN 1

PIN 8

PIN 3

PIN 4