ASTEC AIH50Y300

Embedded Power for
Business-Critical Continuity
Rev. 07.25.05
AIH Series
1 of 2
AIH Series
250 Watts
Total Power:
Input Voltage:
# of Outputs:
250 Watts
(12V @ 20.8A)
300V
Single
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 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
Current share accuracy
5% max for 3.3V and above150mV for 1.8V, deviation with 25%
to 75% full load 250 μS (max) recovery
3% typical
Overvoltage protection
130% Vo (3.3 Vo and 5 Vo); 125% Vo (other Vo)
Current limit
120% Io maximum
Transient response
Control
Voltage adjust
Enable
Clock input (external sync)
Temperature
monitor output
Current monitor output
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% Io rated)
Notes
Nominal values apply with sense pins disconnected and other control pin unconnected.
Safety
UL
cUL
TUV
CE
60950 Recognized
60950 Recognized
EN60950 Licensed
CE Mark
Embedded Power for
Business-Critical Continuity
Environmental Specifications
Astec Power
Operating temperature
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
-40°C to +100°C (Case Temperature)
Storage temperature
-40°C to +85°C
Overtemperature protection 120°C max
MTBF
1M hours (Demonstrated)
Pin Assignments
Ordering Information
Input Voltage Output Voltage Efficiency Model Number
300V
300V
300V
300V
1.8V @ 50A
3.3V @ 50A
5.0V @ 40A
12V @ 20.8A
80% (Typ)
82% (Typ)
88% (Typ)
86% (Typ)
AIH50Y300
AIH50F300
AIH40A300
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.
Mechanical Drawing
Input
Output
31. Positive 22. Positive
32. Negative 23. Positive
Control Pins
1. +Sense
2. Temp Mon
24. Positive 3. C Mon
27. Negative 4. C Share
28. Negative 5. SDA
Rev. 07.25.05
AIH Series
2 of 2
Waterfront Business Park
Merry Hill, Dudley
West Midlands, DY5 1LX
United Kingdom
Telephone: +44 (0) 1384 842 211
Facsimile: +44 (0) 1384 843 355
29. Negative 6. SCL
7. CLK IN
8. V Adj
9. Enable
10. -Sense
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[email protected]
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.
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