Document
Embedded Power for Business-Critical Continuity
AIH Series
250 Watts
Total Power: Input Voltage: # of Outputs: 250 Watts (12V @ 20.8A) 300V Single
RoHS
Rev. 05.23.07 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 range 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% Io rated)
Control
Voltage adjust Enable Clock input (external sync) Temperature monitor output Current monitor output
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
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. 05.23.07 AIH Series 2 of 2
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
Ordering Information
Input Voltage Output Voltage Efficiency Model Number 300V 300V 300V 300V 300V 300V 1.8V @ 50A 3.3V @ 50A 5.0V @ 40A 12V @ 20.8A 15V @ 16.6A 24V @ 10.4A 80% (Typ) 82% (Typ) 88% (Typ) 86% (Typ) AIH50Y300 AIH50F300 AIH40A300 AIH20B300
Pin Assignments
Input Output Control Pins 1. +Sense 2. Temp Mon 31. Positive 22. Positive 32. Negative 23. Positive
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
Asia (HK)
16th - 17th Floors, Lu Plaza 2 Wing Yip Street, Kwun Tong Kowloon, Hong Kong Telephone: +852 2176 3333 Facsimile: +852 2176 .