Special Features
Electrical Specs
50 Watts
AK60A
High efficiency - up to 87%
500 KHz Fixed frequency
100C Baseplate operating
temperature (no derating)
Low output ripple and noise
Excellent transient response
High reliability - over 1 million hours MTBF
Wide input voltage range
TTL compatible enable control
Adjustable output voltage
Overtemperature and short circuit protection
Operating temperature (baseplate):
-40C to +100C
Storage temperature: -55C to +105C
Overtemperature protection: 110C typical
MTBF: > 1 million hours (50C baseplate)
UL
UL 1950
E182206
CSA
CSA22.2-234
LR53982C
CSA22.2-950
VDE
IEC950
20396-3336-1013*
EN
60950*
CE
CEMark (LVD)*
* On selected models
Input
Input Range
18 to 36 VDC
Efficiency
83% typical (5V @ 10A);
87% typical (12V @ 4.2A)
Output
Load Regulation
0.2% typical
Line Regulation
0.2% typical
Noise/Ripple
150 mV typical (output below 5V)
3% typical (output 5V and over)
Remote sense
Up to 0.5V
Output Voltage
Adjust Range
10% of nominal output
Transient Response
10% maximum deviation with 500s
(25-75% full load) recovery
Overvoltage Protection
130% nominal Vo
160% nominal Vo (2.2V output)
140% nominal Vo (3.3V output)
Current Limit
115% lo maximum
Control
Voltage Adjust
90 to 110% Vo
Enable
TTL compatible (low to enable)
Environmental
Total Power:
50 Watts
Input Voltages:
24V
No. of Outputs:
Single
Safety
A
s
t
e
c
Int
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ed
Pow
e
r
America's (USA): 1-888-41-ASTEC
Europe (UK): 44 (1384) 842-211
Asia (HK): 852-2437-9662
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W9959_02_DCDC_001-073_73 2/8/02 3:38 PM Page 46
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
Ordering Information
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
Output
Output
Model Number
Voltage
Voltage
Current
24V
2.2V
10A
AK60A-024L-022F10G
24V
3.3V
10A
AK60A-024L-033F10G
24V
5V
10A
AK60A-024L-050F10G
24V
12V
4.2A
AK60A-024L-120F04G
24V
15V
3.3A
AK60A-024L-150F03G
24V
24V
2A
AK60A-024L-240F02G
Please contact Astec for information on other output voltages,
power ranges and configurations.
Pin Assignments
AK60A
Input
Output
Control Pins
31. +ve
22. +ve
1. +SENSE
32. ve
23. +ve
2. RSV
24. +ve
3. V ADJ
26. -ve
4. -SENSE
27. -ve
5. S COM
28. -ve
6. C. SHARE
7. ENABLE
8. CLK IN
Notes:
1.Nominal values apply with sense pins connected
and other control pins unconnected.
2. Specifications subject to change without notice.
3. Warranty: 1 yr
A
s
t
e
c
Int
egrat
ed
Pow
e
r
Load
+SENSE
SENSE
1
4
+O/P
O/P
3
2
5
6
8
7
Output voltage adjust
Enable (close to enable)
+I/P
-I/P
18 to 36V
or
36 to 72V
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W9959_02_DCDC_001-073_73 2/8/02 3:38 PM Page 47
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