UWS Series
Sixteenth-brick DOSA-Compatible,
Wide Input Isolated DC-DC Converters
FUNCTIONAL SPECIFICATIONS, UWS-3.3/15-Q48 (CONT.)
OUTPUT
Total Output Power
Conditions ?
See Derating
Minimum
0.0
Typical/Nominal
49.5
Maximum
50
Units
W
Voltage
Nominal Output Voltage
Setting Accuracy
Output Voltage Range
Overvoltage Protection
No trim
At 50% load
User-adjustable
Via magnetic feedback
3.267
-10
4
3.3
±1
4.3
3.333
10
4.9
Vdc
% of Vnom.
% of Vnom.
Vdc
Current
Output Current Range
Output Current Range
Vin=18V-36V
Vin=36V-75V
0.0
0.0
13.0
15.0
A
A
Minimum Load
No minimum load
Current Limit Inception
98% of Vnom., after warmup
18.4
21.9
25.4
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
0.6
Continuous
A
Regulation ?
Line Regulation
Load Regulation
Vin=min. to max., Vout=nom., full load
Iout=min. to max., Vin=48V
±0.15
±0.3
%
%
Ripple and Noise
With a 1uF || 10uF output caps
With a 1uF || 100uF output caps
90
60
125
mV pk-pk
mV pk-pk
Temperature Coef?cient
Remote Sense Compensation 18
At all outputs
Sense connected at load
±0.02
10
% of Vnom./°C
% of Vout
Maximum Capacitive Load
Constant resistance mode , low ESR
0
10,000
μF
MECHANICAL
Outline Dimensions
(Please refer to outline drawing)
Weight
Through Hole Pin Diameter
Through Hole Pin Material
TH Pin Plating Metal and Thickness
EMI/RFI Shielding
Cxx case
LxWxH
Nickel subplate
Gold overplate
50
5
1.30x0.90x0.36
33.02x22.9x9.14
0.48
13.6
0.04 & 0.060
1.016 & 1.524
Copper alloy
None
Inches
mm
Ounces
Grams
Inches
mm
μ-inches
μ-inches
ENVIRONMENTAL
Operating Ambient Temperature Range
Operating Case Temperature Range
Storage Temperature
See derating, full power, natural convection
No derating, full power, natural convection
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
RoHS rating ?
B
RoHS-6
Class
www.murata-ps.com/support
MDC_UWS Series.C03 Page 4 of 25
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