Embedded Power for
Business-Critical Continuity
AIH Series
250 Watts
Total Power:
Input Voltage:
# of Outputs:
250 Watts
(12V @ 20.8A)
300V
Single
Rev. 04.25.11
AIH Series
1 of 2
Electrical Specifications
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
Input
Input ra nge
Input surge
Efficiency*
250 - 420 VDC
450V / 100ms
88% @ 5.0V (typical)
0.2% typical (5V and above); 10mV for below 5V
0.2% typical (5V and above); 10mV for below 5V
Output
Load Regulation
Line Regulation
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
Current share accuracy
Overvoltage protection
Current limit
5% max for 3.3V and above150mV for 1.8V, deviation with 25% to
75% full load 250 µS (max) recovery
3% typical
130% Vo (3.3 Vo and 5 Vo); 125% Vo (other Vo)
120% Io maximum
80 to 120% for 5V and above; +10% / -50% for below 5V
TTL compatible (positive & negative enable options)
3.3 to 5.5Vp-p @800 MHz ±5%
10mV/°K (2.73 = 0°C)
0 to 1mA (1mA = 100% I
o rated
)
Control
Voltage adjust
Enable
Clock input (external sync)
Temperature
monitor output
Current monitor output
Notes
Safety
UL
cUL
TUV
CE
60950 Recognized
60950 Recognized
EN60950 Licensed
CE Mark
Nominal values apply with sense pins disconnected and other control pin unconnected.
*For detailed technical information, please refer to the product’s Technical Reference Notes
found at www.PowerConversion.com.
Embedded Power for
Business-Critical Continuity
Environmental Specifications
Operating temperature
Startup temperature
-20°C to +100°C (case temperature)
-40°C to +100°C (case temperature)
Storage temperature
-40°C to +100°C
Overtemperature protection 120°C max
MTBF
1M hours (Demonstrated)
Americas
5810 Van Allen Way
Carlsbad, CA 92008
USA
Telephone: +1 760 930 4600
Facsimile: +1 760 930 0698
Rev. 04.25.11
AIH Series
2 of 2
Europe (UK)
Pin Assignments
Input
Output
Control
Pins
1. +Sense
2. Temp Mon
3. C Mon
Ordering Information
Input Voltage Output Voltage Efficiency Model Number
300V
300V
300V
300V
300V
1.8V @ 50A
3.3V @ 50A
5.0V @ 40A
12V @ 20.8A
15V @ 16.6A
80% (Typ)
82% (Typ)
88% (Typ)
86% (Typ)
AIH50Y300
AIH50F300
AIH40A300
AIH20B300
31. Positive 22. Positive
32. Negative 23. Positive
24. Positive
Waterfront Business Park
Merry Hill, Dudley
West Midlands, DY5 1LX
United Kingdom
Telephone: +44 (0) 1384 842 211
Facsimile: +44 (0) 1384 843 355
90% (Typ) AIH16C300
27. Negative 4. C Share
28. Negative 5. SDA
29. Negative 6. SCL
7. CLK IN
8. V Adj
9. Enable
10. -Sense
Asia (HK)
14/F, Lu Plaza
2 Wing Yip Street
Kwun Tong, Kowloon
Hong Kong
Telephone: +852 2176 3333
Facsimile: +852 2176 3888
24V @ 10.4A
90% (Typ) AIH10H300
300V
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.
For global contact, visit:
Mechanical Drawing
www.Emerson.com/EmbeddedPower
techsupport.embeddedpower
@emerson.com
While every precaution has been taken to ensure
accuracy and completeness in this literature, Emerson
Network Power assumes no responsibility, and disclaims
all liability for damages resulting from use of this
information or for any errors or omissions.
Emerson Network Power.
The global leader in enabling
business-critical continuity.
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