Astec Conventional Power
15 Watts
AK40A
Total Power:
Input Voltages:
No. of Outputs:
15 Watts
24V, 48V
Single
Electrical Specs
Input
Input Range:
Maximum Inrush
Current Limit:
Maximum External
Capacitor to Limit
Inrush Current to 1.0 A :
Low Input Shutdown:
Auto Recovery:
Hysteresis:
36 to 75 VDC for 48V
18 to 36 VDC for 24V
1.0 A Max.
Special Features
• Surface mount
• High power density 15W/Cu. in.
• Full power capability without
external heat sink
• Input differential and
common mode filtering
• Hot insertable with inrush current limit
• Ability to limit inrush current in
an external input capacitor
• Input undervoltage lockout with hysteresis
• Output overvoltage protection
• Remote shutdown
Efficiency:
Enable:
Disable:
4.0mF
34.0 +/- 2.0 V for 48V
17.0V +/- 1.0V for 24 V
37.0V +/- 2.0 V for 48V
18.5V +/- 1.0 V for 24V
3 V +/- 1 V for 48V
1.5V +/- 0.5V for 24V
85%
Open Circuit or up to 0.5V max.
4V min., 75V max.
Output
Voltage Tolerance:
Noise/Ripple:
Output Voltage
Adjust Range:
Output Voltage
Protection
Short Circuit Protection
Switching Frequency:
+/- 3% for single output
+/- 5% for dual output
75mV rms max.
+/- 10% for single output
dual output non adjustable
Self-limiting Clamp, 140% max.
Continuous Auto Start
200kHz nominal
Environmental
Operating ambient temperature range:
-40 to +75° C (no derating)
Cooling method: Convection
MTBF: 7.5 MHrs
Storage temperature: -55 to +125 C
Safety
UL
IEC
CSA
CB
1950
950
C22.2-9.50
52719-106
66
America’s (USA): 1-888-41-ASTEC
Europe (UK): 44 (1384) 842-211
Asia (HK): 852-2437-9662
AMERICAS
5810 Van Allen Way
Carlsbad, CA 92008
Telephone: 760-930-4600
Facsimile: 760-930-0698
EUROPE
Astec House, Waterfront Business Park
Merry Hill, Dudley
West Midlands, DY5 1LX, UK
Telephone: 44 (1384) 842-211
Facsimile: 44 (1384) 843-355
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
AK40A
Ordering Information
Input Voltage
18-36
18-36
18-36
18-36
18-36
18-36
18-36
36-75
36-75
36-75
36-75
36-75
36-75
36-75
Output 1
Voltage
1.5V @ 4A
1.8V @ 4A
2.1V @ 4A
2.5V @ 4A
3.3V @ 4A
5.0V @ 3A
12V @ 1.25A
1.5V @ 4A
1.8V @ 4A
2.1V @ 4A
2.5V @ 4A
3.3V @ 4A
5.0V @ 3A
12V @ 1.25A
Maximum
Power
6W
7.2W
8.2W
12W
13.2W
15W
15W
6W
7.2W
8.2W
12W
13.2W
15W
15W
Model Number
AK40A-024L-015F04SM
AK40A-024L-018F04SM
AK40A-024L-021F04SM
AK40A-024L-025F04SM
AK40A-024L-033F04SM
AK40A-024L-050F03SM
AK40A-024L-120F01SM
AK40A-048L-015F04SM
AK40A-048L-018F04SM
AK40A-048L-021F04SM
AK40A-048L-025F04SM
AK40A-048L-033F04SM
AK40A-048L-050F03SM
AK40A-048L-120F01SM
Pin Assignments
Single Output
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
16.
17.
18.
19.
20.
+Vout
+Vout
+Vout
+Vout
-Vout
-Vout
-V out
-Vout
Reserved
Adjust
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
+Vin
Shutdown
-Vin
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 drawings for reference only.
4. Minimum Load: 0.2 A (min 15%)
5. Max. Capacitive Load: 330 mF
6. Warranty: 1 yr
Astec Conventional Power
Dimensions: Single Output: 1"W x 2"L x 0.5"H
Maximum Weight:
Single Output: 20 grams
www.astec.com
67
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