Special Features
Electrical Specs
100 Watts
AK60A
• High efficiency - up to 88%
• 500 KHz Fixed frequency
• 100°C Baseplate operating
temperature (with 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):
-40°C to +100°C
Storage temperature: -55°C to +105°C
Overtemperature protection: 110°C typical
MTBF: > 1 million hours (50°C baseplate)
UL UL 1950 E182206
CSA CSA22.2-234 LR53982C
CSA22.2-950
VDE IEC950
EN 60950
CE CEMark (LVD)
Input
Input Range 18 to 36 VDC
Efficiency 83% typical (5V @ 20A)
88% typical (12V @ 8.3A)
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% max deviation with (25-75% full
load) 500µs (max) recovery
Overvoltage Protection 130% nominal Vo
160% nominal Vo (2.2V)
140% nominal Vo (3.3V)
Current Limit 115% Io max
Control
Voltage Adjust 90 to 110% Vo
Enable TTL compatible (low to enable)
Environmental
Total Power: 100 Watts
Input Voltages: 24V
No. of Outputs: Single
Safety
Astec Integrated Power
America’s (USA): 1-888-41-ASTEC Europe (UK): 44 (1384) 842-211 Asia (HK): 852-2437-9662
48
W9959_02_DCDC_001-073_73 2/8/02 3:38 PM Page 48
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 20A AK60A-024L-022F20G
24V 3.3 20A AK60A-024L-033F20G
24V 5V 20A AK60A-024L-050F20G
24V 12V 8.3A AK60A-024L-120F08G
24V 15V 6.7A AK60A-024L-150F07G
24V 24V 4.2A AK60A-024L-240F04G
Please contact Astec for information on other output voltages, power ranges and configurations.
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:
Nominal values apply with sense pins connected and
other control pins unconnected.
Specifications subject to change without notice.
Pin Assignments
AK60A Astec Integrated Power
Load
+SENSE
–SENSE
1
4
+O/P
–O/P
3
2
56
87
Output voltage adjust
Enable (close to enable)
+I/P
-I/P
18 to 36V
or
36 to 72V
49
www.astec.com
W9959_02_DCDC_001-073_73 2/8/02 3:38 PM Page 49
