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UWS Series
Sixteenth-brick DOSA-Compatible,
Wide Input Isolated DC-DC Converters
FUNCTIONAL SPECIFICATIONS, UWS-5/10-Q48
ABSOLUTE MAXIMUM RATINGS
Input Voltage, Continuous
Input Voltage, Transient
Conditions ?
Full temperature range
Operating or non-operating, tested:
100 mS max. duration
Minimum
0
0
Typical/Nominal
Maximum
80
100
Units
Vdc
Vdc
Isolation Voltage
Input Reverse Polarity
On/Off Remote Control
Input to output
None, install external fuse
Power on, referred to -Vin
2250 Vdc
None Vdc
0 15 Vdc
Output Power
Output Current
Storage Temperature Range
0 50.63 W
Current-limited, no damage, short-circuit protected 0 10 A
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?cations Table is not implied or recommended.
INPUT
Operating voltage range
Recommended External Fuse
Start-up threshold, turn on
Undervoltage shutdown, turn off
Overvoltage shutdown
Reverse Polarity Protection
Internal Filter Type
Input current
Full Load Conditions
Low Line
Inrush Transient
Output in Short Circuit
No Load Input Current
Shut-Down Mode Input Current
Re?ected (back) ripple current ?
Re?ected (back) ripple current ?
Pre-biased startup
GENERAL and SAFETY
Ef?ciency
Isolation
Isolation Voltage, Input to Output
Insulation Safety Rating
Isolation Resistance
Isolation Capacitance
18 48 75 Vdc
Fast blow 5 A
Rising input voltage 16.5 17.5 17.9 Vdc
Falling input voltage 15 16.75 17.5 Vdc
NA Vdc
None, install external fuse None Vdc
LC
Vin = nominal 1.14 1.2 A
Vin = minimum 2.44 2.51 A
0.4 A2-Sec.
100 200 mA
Iout = minimum, unit=ON 30 60 mA
5 10 mA
No ?ltering 150 200 mAp-p
Measured at input with speci?ed ?lter 15 30 mAp-p
External output voltage < Vset Monotonic
Vin=48V, full load 88 91 %
Vin=24V, full load 89.5 91 %
2250 Vdc
basic
100 MΩ
1000 pF
Safety (meets the following requirements)
Calculated MTBF
DYNAMIC CHARACTERISTICS
UL-60950-1, CSA-C22.2 No.60950-1,
IEC/EN60950-1, 2nd Edition
Per Telcordia SR332, issue 1, class 3, ground
?xed, Tambient=+25°C
Yes
3.0 Hours x 10 6
Fixed Switching Frequency
Startup Time
Startup Time
225 275 325 KHz
Power On to Vout regulated 30 mS
Remote ON to Vout regulated 30 mS
Dynamic Load Response
50-75-50% load step, settling time to within
±1% of Vout
100 200 μSec
Dynamic Load Peak Deviation
FEATURES and OPTIONS
Remote On/Off Control ?
"N" suf?x
Negative Logic, ON state
Negative Logic, OFF state
Control Current
"P" suf?x
Positive Logic, ON state
Positive Logic, OFF state
Control Current
Same as above, ±180 ±240 mV
ON = Pin grounded or external voltage -0.1 0.8 V
OFF = Pin open or external voltage 2.5 15 V
open collector/drain 1 2 mA
ON = Pin open or external voltage 10 15 V
OFF = Ground pin or external voltage 0 0.7 V
open collector/drain 1 2 mA
www.murata-ps.com/support
MDC_UWS Series.C03 Page 7 of 25
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