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SPM15 Datasheet, PDF (6/36 Pages) Murata Power Solutions Inc. – Single Output Potted Metal Package Isolated 15-Watt DC-DC Converters | |||
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SPM15 Series
Single Output Potted Metal Package
Isolated 15-Watt DC-DC Converters
FUNCTIONAL SPECIFICATIONS â MODEL SPM15-033-Q48
ABSOLUTE MAXIMUM RATINGS
Conditions â
Minimum
Typical/Nominal
Maximum
Units
Input Voltage, Continuous
0
80
Vdc
Input Voltage, Transient
100 mS max. duration
100
Vdc
Isolation Voltage
Input to output
1600
Vdc
On/Off Remote Control
Power on, referred to -Vin
0
15
Vdc
Output Power
1.63
16.75
W
Output Current
Current-limited, no damage, short-circuit protected
0.5
5
A
Storage Temperature Range
Vin = Zero (no power)
-55
125
ËC
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 Speciï¬cations Table is not implied or recommended.
INPUT
Operating Voltage Range
18
48
75
Vdc
Recommended External Fuse
Fast blow
2
A
Start-up Threshold
Rising input voltage
15.5
16.9
17.9
Vdc
Undervoltage Shutdown (50% load)
Falling input voltage
15
16
16.8
Vdc
Internal Filter Type
C
Input Current
Full Load Input Current
Vin = 24V
0.764
0.788
A
Full Load Input Current
Vin = 48V
0.388
0.403
A
Low Line Input Current
Vin = minimum
1.03
1.04
A
Inrush Transient
0.05
A2-Sec.
Short Circuit Input Current
0.05
0.1
A
Minimum Load Input Current
Iout = minimum, unit=ON
60
90
mA
Shut-Down Input Current (Off, UV, OT)
1
2
mA
Reï¬ected (Back) Ripple Current â
Measured at input with speciï¬ed ï¬lter
30
mA, p-p
GENERAL and SAFETY
Efï¬ciency
Vin = 24V, full load
88.5
90
%
Vin = 48V, full load
86.5
88.5
%
Isolation
Isolation Voltage
Input to output
1600
Vdc
Isolation Resistance
10
MΩ
Isolation Capacitance
1500
pF
Safety
Certiï¬ed to UL-60950-1, CSA-C22.2 No. 60950-
1, IEC/60950-1, 2nd edition, with AM1
Yes
Calculated MTBF
Per Telcordia SR332, issue 1, class 3, ground
ï¬xed, Tambient = +25°C
2,000,000
Hours
DYNAMIC CHARACTERISTICS
Fixed Switching Frequency
325
350
375
KHz
Startup Time
Power on to Vout regulated
10
50
mS
Startup Time
Remote ON to Vout regulated
10
50
mS
Dynamic Load Response
50-75-50% load step, settling time to within
1% of Vout
75
150
μSec
Dynamic Load Peak Deviation
same as above
±75
±125
mV
FEATURES and OPTIONS
Remote On/Off Control â
âNâ sufï¬x
Negative Logic, ON state
ON = Ground pin
-0.7
0.8
V
Negative Logic, OFF state
OFF = Pin open
10
15
V
Control Current
Open collector/drain
1
mA
âPâ sufï¬x
Positive Logic, ON state
ON = Pin open
10
15
V
Positive Logic, OFF state
OFF = Ground pin
-0.7
0.7
V
Control Current
Open collector/drain
1
mA
www.murata-ps.com/support
MDC_SPM15.C03 Page 6 of 36
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