North America (USA): 1-888-41-ASTEC Europe (UK): 44 (1384) 842-211Asia (HK): 852-2437-9662
1
Special Features
Electrical Specs
Special Features
15 Watts
•Surface Mount
•High Power Desnity 15W/Cu. in.
•Full power capability without external heatsink
•Input differential and common mode filtering
•Hot insertable with inrush current limit
•Ability to limit inrush current in an external
capcacitor
•Input undervoltage lockout with hysteresis
•Output overvoltage protection
•Remote shutdown
Input
Input Range 36 to 75 VDC for 48V
18 to 36 VDC for 24V
Maximum Inrush
Current Limit: 1.0 A Max
Maximum External
Capacitor to Limit: 4.0mF
Low Input Shutdown: 34.0V ±2.0V for 48V
17.0V ±1.0V for 24V
Auto Recovery: 37.0V ±2.0V for 48V
18.5V ±1.0V for 24V
Hysteresis: 3.0V ±1.0V for 48V
1.5V ±0.5V for 24V
Efficiency: 85%
Enable: Open Circuit or up to 0.5V max.
Disable: 4V min, 75V max
Output
Voltage Tolerance: ±3% for single output
Noise/Ripple: 75mVrms max.
Output Voltage
Adjust Range: ±10% for single output
Overvoltage Protection: Self limiting Clamp, 140% max
Short Circuit Protection: Continuous Auto Start
Switching Frequency: 200kHz nominal
Ambient air operating temperature range:
-40°C to +75°C (no derating)
Cooling Method:Convection
MTBF: > 7.5 Mhrs
Storage and Handling per Jedec Std-033
Moisture Sensitivity Level 2
UL 1950
IEC 950
CSA C22.2-9.50
CB 52719-106
Environmental
Total Power: 15W
Input Voltages: 24V, 48V
No. of Outputs: Single
Safety
AK40A
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 Voltage Output Voltage Maximum Power Model Number
18V to 36V 1.5V @ 4A 6.0W AK40A-024L-015F04SM
18V to 36V 1.8V @ 4A 7.2W AK40A-024L-018F04SM
18V to 36V 2.1V @ 4A 8.2W AK40A-024L-021F04SM
18V to 36V 2.5V @ 4A 12.0W AK40A-024L-025F04SM
18V to 36V 3.3V @ 4A 13.2W AK40A-024L-033F04SM
18V to 36V 5.0V @ 3A 15.0W AK40A-024L-050F03SM
18V to 36V 12V @ 1.25A 15.0W AK40A-024L-120F01SM
36V to 75V 1.5V @ 4A 6.0W AK40A-048L-015F04SM
36V to 75V 1.8V @ 4A 7.2W AK40A-048L-018F04SM
36V to 75V 2.1V @ 4A 8.2W AK40A-048L-021F04SM
36V to 75V 2.5V @ 4A 12.0W AK40A-048L-025F04SM
36V to 75V 3.3V @ 4A 13.2W AK40A-048L-033F04SM
36V to 75V 5.0V @ 3A 15.0W AK40A-048L-050F03SM
36Vto 75V 12V @ 1.25A 15.0W AK40A-048L-120F01SM
Pin Assignments
Single Output
1. +Vout
2. +Vout
3. +Vout
4. +Vout
5. -Vout
6. -Vout
7. -Vout
8. -Vout
9. Reserved
10. Adjust
11. Reserved
12. Reserved
13. Reserved
14. Reserved
15. Reserved
16. Reserved
17. +Vin
18. Shutdown
19. -Vin
20. Reserved
Notes:
1. All specifications are typical at nominal
input and full load unless otherwise noted.
2. Specification subject to change without
notice.
3. Mechanical drwaings are for reference
only.
4. Minimum Load: 0.2A (min 15%).
5. Max. Capacitice Load: 330 mF.
6. Warranty: 1 yr. Dimensions: Single Output: 1"W x 2"L x 0.5"H
Maximum Weight: Single Output: 20 grams
