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Astec Integrated Power
240 Watts
AK80A
Total Power: Input Voltages: No. of Outputs:
240 Watts 24V Single
Electrical Specs
Input
Input Range Efficiency 18 to 36 VDC 83% typical @ 5V; 87% typical @ 12V; 87% typical @ 15V
Output
Load Regulation Line Regulation Noise/Ripple Remote sense Output Voltage Adjust Range Transient Response Current Share Accuracy Overvoltage Protection Current Limit 0.3% typical down to no load 0.1% typical 100 mV typical (output below 5V) 2% typical (output 5V and over) Up to 0.5V 10% of nominal output 10% typical deviation with 300s recovery (25-75% full load) 5% typical 130% nominal Vo 115% Io max
Special Features
* High efficiency - up to 87% * 500 KHz fixed frequency * 85C 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 * Parallelable * Adjustable output voltage and current limit * Temperature monitor output * Overtemperature and short circuit protection * Regulation to zero load
Control
Voltage Adjust Enable Current Limit Adjust Clock Input (external sync) Clock Output (internal clock) Power Good/Identification Temperature Monitor Output 90 to 110% Vo TTL compatible (low to enable) 20 to 100% Io rated 3.5 to 5Vp-p @ 1MHz 10% 4.4 to 5.5Vp-p @ 1MHz 0.5% High (Vo) = power good 10 mV/K (2.73V = 0C)
Environmental
Operating temperature (baseplate): 0C to +85C Storage temperature: -40C to +105C Overtemperature protection: 90C typical MTBF: > 1 million hours (50C baseplate)
Notes
Nominal values apply with sense pins connected and other control pins unconnected. Specifications subject to change without notice.
Safety
UL CSA VDE EN CE UL 1950 E132002 CSA22.2-234 LR53982C CSA22.2-950 IEC950 20366-3336-1002 & 1008 60950 CEMark (LVD)
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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
AK80A
Ordering Information
Input Voltage 24V 24V 24V 24V 24V Output Voltage 3.3V 5V 12V 15V 24V Output Current 40A 30A 14A 12A 8A Model Number
AK80A-024L-033F40 AK80A-024L-050F30 AK80A-024L-120F14 AK80A-024L-150F12 AK80A-024L-240F08
Please contact Astec for information on other output voltages, power ranges and configurations.
Pin Assignments
Input 31. +ve 32. -ve Output 21. +ve 22. +ve 23. +ve 24. +ve 26. -ve 27. -ve 28. -ve 29. -ve Control Pins 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. +SENSE PG/ID V ADJ -SENSE S COM C SHARE CLK OUT CLK IN ENABLE C LIM ADJ TEMP MON PRI AUX
THERMAL BASE PLATE*
8 PRIMARY SIDE CONTROL PINS 2 INPUT PINS
4 SECONDARY SIDE CONTROL PINS
Secondary side controls
32 9 8 12 5 3 2 4 1
AMPS TMPOWERMODULE
Primary side controls
31
24 23 22 21
116.8 (4.60)
C SHARE CLK OUT
8 9 ENABLE 5 12
S COM
+ O/P
2 1 + SENSE
Load
3 4 - SENSE
Temperature monitor output (e.g. to fan control circuit)
PG/ID goes high (to Vo) to indicate power good. Resistance between PG/ID and +O/P with no power applied indicates nominal O/P voltage, where 1K Ohm = 1 volt (eg 3K3 = 3.3 V).
+ O/P
61.0 (2.40)
29 28 27 26
12.7 (0.50)
8 OUTPUT PINS
Astec Integrated Power
- O/P
C SHARE CLK IN
8 9 ENABLE 5
S COM
18 to 36V or 36 to 72V
2 1 + SENSE 3 4 - SENSE
+ I/P
8 9
- I/P
5 12
2
1 + SENSE
Load
3 4 - SENSE
- O/P
12
Enable (close to enable) Current limit adjust
Output voltage adjust
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