AC-DC Power Supplies
AJM90 Series
90 Watts
Energy Efficiency Level VI
Medical and ITE Safety Approvals
4th Edition Medical EMC
Class I and Class II Versions
<0.21 W Standby Power
0 C to 60 C Operation
Low Earth Leakage Current
3 Year Warranty
Dimensions:
AJM90:
5.51 x 2.8 x 0.87 (140.0 x 71.0 x 22.0 mm)
Models & Ratings
(1) (2)
Output Power Output Voltage Output Current Total Regulation Efficiency Model Number
12.0 V 7.50 A 88% AJM90PS12
18.0 V 5.00 A 89% AJM90PS18
90 W 5%
19.0 V 4.74 A 90% AJM90PS19
24.0 V 3.75 A 90% AJM90PS24
Notes
1. Typical average of efficiencies measured at 25%, 50%, 75% and 100% load and 230 VAC input.
2. For class II versions, add suffix 'C2' to the end of the part number e.g. AJM90US24C2. Class II versions do not have ITE approvals.
Mechanical Details
59.0 (1500.0) 5.5 (140.0)
0.29 0.29
(7.4) (7.4)
2.7
1.6 (42.4) 1.18 (30.0)
(71.0)
Pin 4 Pin 2 0.94 (24.0)
0.26 (6.5)
0.39
Pin 3 0.59 (15.0)
1.5 (39.0)
Pin 1 Wire no. UL11352
(10.0) With Lock IEC320-C6 Optional C2 Version
Gauge: 18 AWG
Inlet IEC320-C8 Inlet
Colour: Black
0.86 (22.0)
4.72 (120.0) 3.15 (80.0)
Notes
1. All dimensions shown in inches (mm). Tolerance is 0.02 (0.5) maximum, except 3. Weight: 0.77 lbs (350 g) approx.
output cable length. 4. For European mains lead order part EU-MAINS-5 or EU-MAINS-8 for C2 versions.
2. Output connector: Locking Power Mini DIN, mates with Kycon KPJ-4S or 5. For UK mains lead order part UK-MAINS-5 or UK-MAINS-8 for C2 versions.
equivalent. 6. For US mains lead order part US-MAINS-5 or US-MAINS-8 for C2 versions.
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1AC-DC Power Supplies
AJM90 Series
Input
Characteristic Minimum Typical Maximum Units Notes & Conditions
Derate output power below 90 VAC to 90% at 85 VAC and
Input Voltage 80 264 VAC
85% at 80 VAC
Input Frequency 47 63 Hz
Input Current 1.5/0.6 A Measured at 115/230 VAC
Inrush Current 50/100 A 115/230 VAC, cold start at 25 C
Power Factor 0.9 EN61000-3-2 Class A
Earth Leakage Current 220 250 A 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 %
Maximum deviation, recovering to less than 1% within
Transient Response 4%
500 s for 25% step load
150 mV pk-pk for 12 V model, measured with 20 MHz
Ripple and Noise 1 % pk-pk bandwidth and 10 F electrolytic in parallel with 0.1 F
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, auto resetting
Temperature Coefficient 0.04 %/C
Patient Leakage Current 100 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 100%
80%
60%
40%
20%
0 20 40 60
Ambient Temperature (C)
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2
Output Power (%)