Embedded Power for
Business-Critical Continuity
AIH Series
250 Watts
Special Features
• 250W Continuous power at
100°C baseplate temperature
• High efficiency - up to 88%
• Low output ripple and noise
• Positive and Negative
enable function
• Excellent transient response
• Safety isolated low voltage
control and monitoring
• High reliability
• Wide input voltage range
• Paralleable with accurate
current sharing
• Adjustable output voltage
• Regulation to zero load
• Temperature monitor output
• EU Directive 2002/95/EC
compliant for RoHS
Total Power: 250 Watts
(12V @ 20.8A)
Input Voltage: 300V
# of Outputs: Single
Electrical Specifications
Safety
Input
Input ra nge 250 - 420 VDC
Input surge 450V / 100ms
Efficiency 88% @ 5.0V (typical)
Output
Load Regulation 0.2% typical (5V and above); 10mV for below 5V
Line Regulation 0.2% typical (5V and above); 10mV for below 5V
Noise / ripple 100mV typical (below 5V); 2% typical (5V and above)
Output voltage adjust range +/-20% for 5V and above; +10%/ -50% for below 5V
Transient response 5% max for 3.3V and above150mV for 1.8V, deviation with 25%
to 75% full load 250 μS (max) recovery
Current share accuracy 3% typical
Overvoltage protection 130% Vo (3.3 Vo and 5 Vo); 125% Vo (other Vo)
Current limit 120% Io maximum
Control
Voltage adjust 80 to 120% for 5V and above; +10% / -50% for below 5V
Enable TTL compatible (positive & negative enable options)
Clock input (external sync) 3.3 to 5.5Vp-p @800 MHz ±5%
Temperature
monitor output
10mV/°K (2.73 = 0°C)
Current monitor output 0 to 1mA (1mA = 100% Io rated)
Notes
Nominal values apply with sense pins disconnected and other control pin unconnected.
UL 60950 Recognized
cUL 60950 Recognized
TUV EN60950 Licensed
CE CE Mark
Rev. 05.23.07
AIH Series
1 of 2
RoHS
Emerson Network Power and the Emerson
Network Power logo are trademarks and
service marks of Emerson Electric Co.
©2007 Emerson Electric Co.
Embedded Power for
Business-Critical Continuity
Emerson Network Power.
The global leader in enabling
business-critical continuity.
EmersonNetworkPower. com
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Pin Assignments
Input Output Control Pins
31. Positive 22. Positive 1. +Sense
32. Negative 23. Positive 2. Temp Mon
24. Positive 3. C Mon
27. Negative 4. C Share
28. Negative 5. SDA
29. Negative 6. SCL
7. CLK IN
8. V Adj
9. Enable
10. -Sense
Mechanical Drawing
Americas
5810 Van Allen Way
Carlsbad, CA 92008
USA
Telephone: +1 760 930 4600
Facsimile: +1 760 930 0698
Europe (UK)
Waterfront Business Park
Merry Hill, Dudley
West Midlands, DY5 1LX
United Kingdom
Telephone: +44 (0) 1384 842 211
Facsimile: +44 (0) 1384 843 355
Asia (HK)
16th - 17th Floors, Lu Plaza
2 Wing Yip Street, Kwun Tong
Kowloon, Hong Kong
Telephone: +852 2176 3333
Facsimile: +852 2176 3888
For global contact, visit:
www.astecpower.com
www.artesyn.com
technicalsupport@astec.com
technicalsupport@artesyn.com
While every precaution has been taken to ensure
accuracy and completeness in this literature, Emerson
Network Power assumes no responsibility, and dis-
claims
all liability for damages resulting from use of this
information or for any errors or omissions.
Operating temperature -20°C to +100°C (case temperature)
Startup temperature -40°C to +100°C (case temperature)
Storage temperature -40°C to +100°C
Overtemperature protection 120°C max
MTBF 1M hours (Demonstrated)
Environmental Specifications
Rev. 05.23.07
AIH Series
2 of 2
Ordering Information
Input Voltage Output Voltage Efficiency Model Number
300V 1.8V @ 50A 80% (Typ) AIH50Y300
300V 3.3V @ 50A 82% (Typ) AIH50F300
300V 5.0V @ 40A 88% (Typ) AIH40A300
300V 12V @ 20.8A 86% (Typ) AIH20B300
300V 15V @ 16.6A 90% (Typ) AIH16C300
300V 24V @ 10.4A 90% (Typ) AIH10H300
1. For Negative enable add suffix “N”.
2. Fon Non-thread hole, add suffix “-NT”.
3. Fon RoHS 6, add suffix “-L”. Default is RoHS 5.
