ALO25 Datasheet, PDF (2/2 Pages) Astec America, Inc – 25 Amps

AMERICAS
5810 Van Allen Way
Carlsbad, CA 92008
Telephone: [phone]
Facsimile: 760-930-0698
EUROPE
Astec House, Waterfront Business Park
Merry Hill, Dudley
West Midlands, DY5 1LX, UK
Telephone: [phone]
Facsimile: 44 (1384) 843-355
ASIA
Units 2111-2116, Level 21
Tower1, Metroplaza
223, Hing Fong Road
Fwai Fong, New Territories
Hong Kong
Telephone: [phone]
Facsimile: 852-2402-4426
Ordering Information
Input
Voltage
18V to 36V
Output
Voltage
3.3V
Output
Current
25A
Efficiency
88% Typ
Model Number
ALO25F24(N) - (6)(S)
NOTES:
Efficiency values taken at nominal input full load condition, 25^oC ambient temperature.
OPTIONS
"N" = Negative logic enable (without "N" = positive enable)
“S” = SMT (default is TH)
“6” = 3.7mm pin length option (default pin length is 5mm nominal)
Pin Assignments
Single Output
1. + Vin
2. Enable
3. - Vin
4. - Vout
5. - Sense
6. Trim
7. + Sense
8. Output Rtn
Notes:
1. 20 MHz bandwidth. External 10 uF tant. capacitor
in parallel with 1 uF ceramic capacitor placed
across the output and secondary return ground.
2. Efficiency measurements are typical values taken
at full load, nominal line and T_A = 25°C.
3. All specifications are typical at nominal line, full
load and T_A = 25°C unless otherwise noted.
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) ∅ = 0.062 [1.57], others ∅ = 0.04 [1.0] (6X).
6. Safety approval for 3.3V version is available.
7. Technical Reference Notes should be consulted for
detailed information when available.
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. (REV02: MARCH 7, 2005)
www.astecpower.com
+ Vin
E
- Vin
0.20 [5.0] NOM.
Through Hole
2.30 [58.4]
PPININSSIDEEDDOOWWNN
0.40 [10.2]
0.10 [2.5]
0.70 [17.8]
2.00 [50.8]
0.15 [3.8]
Ø0.04 [Ø1.0](6X)
PPIN SSIDIDEEUPUP
Surface Mount
2.30 [58.4]
0.80 [20.3]
0.35 [8.9]
PIN SIDE DOWN
0.70 [17.8]
0.40 [10.2]
0.10 [2.5]
0.01 [0.4]
2.19 [55.7]
0.06 [1.4]
PIN SIDE UP
+ Output
+ Sense
0.80 [20.3]Trim
-Sense
-Output
0.32 [8.1]
0.10 [2.5]
0.25 [6.3]
0.40 [10.1]
0.55 [14.0]
0.70 [17.7]
Ø0.06 [Ø1.6](2X)
SSIDIDEE VIEIEWW
0.22 [5.5]
0.07 [1.7]
0.10 [2.5]
0.25 [6.3]
0.40 [10.2]
0.55 [14.0]
SIDE VIEW
0.70 [17.8]
2