Embedded Power for
Business-Critical Continuity
AIH Series
250 Watts
Special Features
250W Continuous power at
100C 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 range
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 S (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 = 0C)
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. 07.25.05
AIH Series
1 of 2
Emerson Network Power and the Emerson
Network Power logo are trademarks and
service marks of Emerson Electric Co.
2005 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 P
Piin
nss
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
Astec Power
5810 Van Allen Way
Carlsbad, CA 92008
USA
Telephone: +1 760 930 4600
Facsimile: +1 760 930 0698
Technical Support: +1 888 41 ASTEC
or +1 407 241 2752
Waterfront Business Park
Merry Hill, Dudley
West Midlands, DY5 1LX
United Kingdom
Telephone: +44 (0) 1384 842 211
Facsimile: +44 (0) 1384 843 355
Units 2111-2116, Level 21
Tower 1, Metroplaza
223, Hing Fong Road
Kwai Fong, New Territories
Hong Kong
Telephone: +852 2437 9662
Facsimile: +852 2402 4426
For global contact, visit:
www.astecpower.com
technicalsupport@astec.com
While every precaution has been taken to ensure
accuracy and completeness in this literature, Astec
Power assumes no responsibility, and disclaims
all liability for damages resulting from use of this
information or for any errors or omissions.
Printed in US A
Operating temperature
-40C to +100C (Case Temperature)
Storage temperature
-40C to +85C
Overtemperature protection 120C max
MTBF
1M hours (Demonstrated)
Environmental Specifications
Rev. 07.25.05
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.
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