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 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 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. 07.25.05

AIH Series

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