AK80A Datasheet, PDF (1/2 Pages) Astec America, Inc – 240 Watts

240 Watts
AK80A
Total Power:
Input Voltages:
No. of Outputs:
240 Watts
24V
Single
Special Features
• High efficiency - up to 87%
• 500 KHz fixed frequency
• 85°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
• Parallelable
• Adjustable output voltage and current limit
• Temperature monitor output
• Overtemperature and short circuit
protection
• Regulation to zero load
Environmental
Operating temperature (baseplate):
0°C to +85°C
Storage temperature: -40°C to +105°C
Overtemperature protection: 90°C typical
MTBF: > 1 million hours (50°C baseplate)
Safety
UL
UL 1950
E132002
CSA CSA22.2-234 LR53982C
CSA22.2-950
VDE IEC950 20366-3336-1002 & 1008
EN
60950
CE
CEMark (LVD)
Electrical Specs
Input
Input Range
18 to 36 VDC
Efficiency
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 300µs
recovery (25-75% full load)
5% typical
130% nominal Vo
115% Io max
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 = 0°C)
Notes
Nominal values apply with sense pins connected and other control
pins unconnected.
Specifications subject to change without notice.
52
America’s (USA): 1-888-41-ASTEC
Europe (UK): 44 (1384) 842-211 Asia (HK): 852-2437-9662