AJM90 Series

www.xppower.com

2

AC-DC Power Supplies

Input

Characteristic

Minimum

Typical

Maximum

Units

Notes & Conditions

Input Voltage

80

264

VAC

Derate output power below 90 VAC to 90% at 85 VAC and

85% at 80 VAC

Input Frequency

47

63

Hz

Input Current

1.5/0.6

A

Measured at 115/230 VAC

Inrush Current

60/100

A

115/230 VAC, cold start at 25 °C

Power Factor

0.9

EN61000-3-2 Class A

Earth Leakage Current

220

250

µA

264 VAC, 60 Hz

No Load Input Power

0.21

W

Input Protection

T3.15A/250 VAC internal fuse in both line

Output

Characteristic

Min.

Typ.

Max.

Units

Notes & Conditions

Output Voltage

12

48

VDC

See Models and Ratings table

Initial Set Accuracy

±2

%

At 50% load

Minimum Load

No minimum load required

Start Up Delay

3s

Start Up Rise Time

50

ms

Hold Up Time

10

ms

Full load and 115 VAC

Line Regulation

±0.5

%

Total Regulation

±5

%

Transient Response

4%

Maximum deviation, recovering to less than 1% within

500 µs for 25% step load

Ripple and Noise

1

% pk-pk

150 mV pk-pk for 12 V model, measured with 20 MHz

bandwidth and 10 µF electrolytic in parallel with 0.1 µF

ceramic capacitor.

Overshoot

5%

At turn on / turn off

Overload Protection

115

175

%

Overvoltage Protection

112

150

%

Recycle mains to reset

Short Circuit Protection

Trip and restart (hiccup), auto resetting

Thermal Protection

Measured internally, recycle AC to reset

Temperature Coefficient

0.04

%/°C

Patient Leakage Current

100

µ A

264 VAC, 60 Hz

Environmental

Characteristic

Minimum

Typical

Maximum

Units

Notes & Conditions

Operating Temperature

0

+60

°C

Derate from 100% load at 40 °C to 50% load at 60 °C

Cooling

Natural convection

Operating Humidity

5

90

%RH

Non-condensing

Storage Temperature

-40

+85

°C

Operating Altitude

5000

m

Shock

IEC68-2-27, 30 g, 11 ms half sine, 3 times in each of 6 axes

Vibration

IEC68-2-6, 10-500 Hz, 2 g 10 mins/sweep, 60 mins for each of 3 axes

Derating Curve

60%

20%

40%

80%

Ambient Temperature (ºC)

100%

40

60

20

0