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UEE Series
Isolated, High-Density, Eighth-Brick
DOSA Low Pro?le DC-DC Converters
FUNCTIONAL SPECIFICATIONS, UEE-3.3/15-D48
ABSOLUTE MAXIMUM RATINGS
Input Voltage, Continuous
Input Voltage, Transient
Conditions ?
Operating or non-operating,
100 mS max. duration
Minimum
0
0
Typical/Nominal
Maximum
80
100
Units
Vdc
Vdc
Isolation Voltage
Input Reverse Polarity
Input to output
None, install external fuse
None
2250
Vdc
Vdc
On/Off Remote Control
Output Power
Power on or off, referred to -Vin
-0.8
0
13.5
50
Vdc
W
Output Current
Current-limited, no damage,
short-circuit protected
0 15 A
Storage Temperature Range
Vin = Zero (no power) -55 125 °C
Absolute maximums are stress ratings. Exposure of devices to greater than any of these conditions may adversely affect long-term reliability. Proper operation under conditions other than those
listed in the Performance/Functional Speci?cation s Table is not implied or recommended.
INPUT
Conditions ? ?
Operating voltage range
Recommended External Fuse
Fast blow
36
48
75
10
Vdc
A
Start-up threshold
Undervoltage shutdown
Rising input voltage
Falling input voltage
33
31
34
32
35
33
Vdc
Vdc
Overvoltage shutdown
None
Vdc
Reverse Polarity Protection
Internal Filter Type
None, install external fuse
None
Pi
Vdc
Input current
Full Load Conditions
Low Line
Inrush Transient
Output in Short Circuit
No Load
Vin = nominal
Vin = minimum
Iout = minimum, unit = ON
1.15
1.53
0.01
72
30
1.18
1.58
0.03
100
50
A
A
A 2 -Sec.
mA
mA
Standby Mode (Off, UV, OT)
Re?ected (back) ripple current ?
Measured at input with speci?ed ?lter
4.6
10
30
mA
mA, P-P
GENERAL and SAFETY
Ef?ciency
Vin = 48V, full load
Vin = min, full load
88.0
88.0
90.0
90.0
%
%
Isolation
Isolation Voltage, input to output
Isolation Voltage, input to baseplate
Isolation Voltage, output to baseplate
Insulation Safety Rating
Isolation Resistance
Isolation Capacitance
Safety
No baseplate
N/A
N/A
Certi?ed to UL-60950-1, CSA-C22.2 No.60950-1,
IEC 60950-1, 2nd edition
2250
N/A
N/A
basic
10
1000
Yes
Vdc
Vdc
Vdc
MΩ
pF
Calculated MTBF
Per Telcordia SR-332, issue 1, class 3, ground
?xed, Tcase = +25°C
2.3
Hours x 10 6
DYNAMIC CHARACTERISTICS
Fixed Switching Frequency
Startup Time
Startup Time
Dynamic Load Response
Dynamic Load Peak Deviation
Power on to Vout regulated
Remote ON to Vout regulated
50-75-50% load step, settling time to within
±1% of Vout
same as above
300
330
220
±150
360
10
10
300
±200
KHz
mS
mS
μSec
mV
FEATURES and OPTIONS
Remote On/Off Control ?
“N” suf?x:
Negative Logic, ON state
Negative Logic, OFF state
Control Current
ON=Ground pin or external voltage
OFF=Pin open or external voltage
sinking
-0.8
2.5
1
1
13.5
2
Vdc
Vdc
mA
“P” suf?x:
Positive Logic, ON state
Positive Logic, OFF state
Control Current
BasePlate
Conformal Coating
ON=Pin open or external voltage
OFF=Ground pin or external voltage
sinking
"B" suf?x
"H" suf?x
2.5
-0.8
1
N/A
optional
13.5
1
2
V
V
mA
www.murata-ps.com/support
MDC_UEE_Series.C01 Page 3 of 29
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