15 Watts
Total Power:
Input Voltages:
No. of Outputs:
15W
24V, 48V
Single
AK40A
Electrical Specs
Input
Input Range
Maximum Inrush
Current Limit:
Maximum External
Capacitor to Limit:
Low Input Shutdown:
Auto Recovery:
Hysteresis:
Special Features
•
•
•
•
•
•
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
Efficiency:
Enable:
Disable:
36 to 75 VDC for 48V
18 to 36 VDC for 24V
1.0 A Max
4.0mF
34.0V ±2.0V for 48V
17.0V ±1.0V for 24V
37.0V ±2.0V for 48V
18.5V ±1.0V for 24V
3.0V ±1.0V 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:
Overvoltage Protection:
Short Circuit Protection:
Switching Frequency:
±3% for single output
75mVrms max.
±10% for single output
Self limiting Clamp, 140% max
Continuous Auto Start
200kHz nominal
Environmental
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
Safety
1
UL
1950
IEC
950
CSA
C22.2-9.50
CB
52719-106
North America (USA): 1-888-41-ASTEC
Europe (UK): 44 (1384) 842-211Asia (HK): 852-2437-9662
AMERICAS
EUROPE
ASIA
5810 Van Allen Way
Carlsbad, CA 92008
Telephone: 760-930-4600
Facsimile: 760-930-0698
Astec House, Waterfront Business Park
Merry Hill, Dudley
West Midlands, DY5 1LX, UK
Telephone: 44 (1384) 842-211
Facsimile: 44 (1384) 843-355
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
Ordering Information
Input Voltage
Output Voltage
Maximum Power
Model Number
18V to 36V
18V to 36V
18V to 36V
18V to 36V
18V to 36V
18V to 36V
18V to 36V
36V to 75V
36V to 75V
36V to 75V
36V to 75V
36V to 75V
36V to 75V
36Vto 75V
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
6.0W
7.2W
8.2W
12.0W
13.2W
15.0W
15.0W
6.0W
7.2W
8.2W
12.0W
13.2W
15.0W
15.0W
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
-Vout
-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 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
OCTBER 18, 2002
www.astecpower.com
2
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