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ULS 30-Watt Series
Sixteenth-brick DOSA-Compatible,
Isolated DC/DC Converters
FUNCTIONAL SPECIFICATIONS, ULS-15/2-D48 (CONT.)
OUTPUT
Total Output Power
Conditions ?
See Derating
Minimum
0
Typical/Nominal
30
Maximum
30
Units
W
Voltage
Nominal Output Voltage
Setting Accuracy
Output Voltage Range
Overvoltage Protection
No trim
At 50% load, no trim
User-adjustable
Via magnetic feedback
14.85
-1
-20
18
15.00
19
15.15
+1
+10
20
Vdc
% of Vnom
% of Vnom.
Vdc
Current
Output Current Range
0.0
2.0
2.0
A
Minimum Load
No minimum load
Current Limit Inception
98% of Vnom., after warmup
2.45
3.0
3.45
A
Short Circuit
Short Circuit Current
Short Circuit Duration (remove short for
recovery)
Short circuit protection method
Hiccup technique, autorecovery within ±1.25%
of Vout
Output shorted to ground, no damage
Current limiting
Continuous
0.6
A
Regulation ?
Line Regulation
Load Regulation
Vin = min. to max., Vout = nom., Iout = nom.
Iout = min. to max., Vin = 48V
±0.125
±0.125
% of Vout
% of Vout
Ripple and Noise
Temperature Coef?cient
5 Hz- 20 MHz BW
At all outputs
115
±0.02
125
mV pk-pk
% of Vout./°C
Maximum Capacitive Loading
Low ESR, resistive load only
0
2200
μF
MECHANICAL (Through Hole Models)
Conditions ? ?
Outline Dimensions
1.30x0.90x0.36
Inches
(Please refer to outline drawing)
Weight
Through Hole Pin Diameter
Through Hole Pin Material
TH Pin Plating Metal and Thickness
LxWxH
Nickel subplate
Gold overplate
33.02x22.86x9.144
0.58
16.4
0.04 & 0.062
1.016 & 1.575
Copper alloy
50
5
mm
Ounces
Grams
Inches
mm
μ-inches
μ-inches
ENVIRONMENTAL
Operating Ambient Temperature Range
Operating Case Temperature Range
Storage Temperature
With Derating
No derating, full power
Vin = Zero (no power)
-40
-40
-55
85
105
125
°C
°C
°C
Thermal Protection/Shutdown
Measured in center
115
125
130
°C
Electromagnetic Interference
External ?lter is required
Conducted, EN55022/CISPR22
Radiated, EN55022/CISPR22
B
B
Class
Class
Relative humidity, non-condensing
Altitude
To +85°C
must derate -1%/1000 feet
10
-500
-152
90
10,000
3048
%RH
feet
meters
RoHS rating ?
Performance Speci?cation Notes
? Unless otherwise noted, all speci?cations are typical at nominal input voltage, nominal output voltage
and full load. General conditions are +25° Celsius ambient temperature, near sea level altitude,
natural convection air?ow. All models are tested and speci?ed with external parallel 1 μF and 10 μF
multi-layer ceramic output capacitors. The external input capacitor is 22 μF ceramic. All capacitors
are low-ESR types wired close to the converter. These capacitors are necessary for our test equip-
ment and may not be needed in the user's application.
? Input (back) ripple current is tested and speci?ed over 5 Hz to 20 MHz bandwidth. Input ?ltering is
RoHS-6
? All models are stable and regulate to speci?cation under no load.
? Reduction of Hazardous Substances (RoHS) compliance is to RoHS-6 (six substances restricted
including lead). See speci?cations.
? The Remote On/Off Control is referred to -Vin.
? Regulation speci?cations describe the output voltage changes as the line voltage or load current is
varied from its nominal or midpoint value to either extreme.
Cbus = 220 μF/100V, Cin = 33 μF/100V and Lbus = 12 μH.
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MDC_ULS-30W_C06 Page 18 of 30
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