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ELECTRICAL SPECIFICATIONS
Input
Input Range........................... 36 to 72 VDC
or
18 to 36 VDC
Efficiency ...............................83% typical (5V @ 40A);
87% typical (12V @ 18A);
87% typical (15V @ 16A)
Control
Voltage Adjust ....................... 90 to 110% Vo
Enable ................................... TTL compatible (low to enable)
Current Limit Adjust............... 20 to 100% Io rated
Clock Input (external sync).... 3.5 to 5Vp-p @ 1MHz ± 10%
Clock Output (internal clock) . 4.4 to 5.5Vp-p @ 1MHz ± 0.5%
Power Good/Identification ..... High (Vo) = power good
Temperature Monitor Output . 10 mV/°K (2.73V = 0°C)
Output
Load Regulation .................... 0.3% typical down to no load
Line Regulation ..................... 0.1% typical
Noise/Ripple ..........................100 mV typical (output below 5V)
2% typical (output 5V and over)
Remote sense ....................... Up to 0.5V
Output Voltage
Adjust Range......................... ±10% of nominal output
Transient Response .............. 10% typical deviation with 300µs
recovery (25-75% full load)
Current Share Accuracy ........ 5% typical
Overvoltage Protection.......... 130% nominal Vo
Current Limit.......................... 115% Io max
NOTES
Nominal values apply with sense pins connected and other control pins
unconnected.
Specifications subject to change without notice.
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)
AK80A
240 Watts
AK80A Economy Series
Input Voltages
24V, 48V
# of Outputs
Single
Total Power
240 Watts
