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SELECTION GUIDE
NPH10S Series
Isolated 10W Single Output DC/DC Converters
Current
Order Code 1
Limit 2 (Typ.)
V
V
A
A
%
μF
kHrs
NPH10S2403EiC
NPH10S2403iC
24
24
3.4
3.4
2.94
2.94
4.3
4.3
79
79
470
470
279
279
FEATURES
? RoHS compliant
? High ef?ciency to 87%
? Power density up to 1.5Wcm 3
? UL1950 recognized
? Industry standard pinout
? Surge rating to 12W
NPH10S2405EiC
NPH10S2405iC
NPH10S2412EiC
NPH10S2412iC
NPH10S2415EiC
NPH10S2415iC
NPH10S4803EiC
NPH10S4803iC
NPH10S4805EiC
NPH10S4805iC
24
24
24
24
24
24
48
48
48
48
5.1
5.1
12.1
12.1
15.1
15.1
3.4
3.4
5.1
5.1
1.96
1.96
0.83
0.83
0.67
0.67
2.94
2.94
1.96
1.96
3.1
3.1
1.2
1.2
1.1
1.1
4.1
4.1
2.8
2.8
83
83
86
86
86
86
80
80
83
83
470
470
100
100
47
47
470
470
470
470
275
275
259
259
243
243
317
317
312
312
? Non latching current limit
Obsolete
Recommended
Alternative
? 1.5kV input to output isolation
? Versatile control options
? Continuous rating to 10W at 72oC without
NPH10S4812EiC
NPH10S4812iC
NPH10S4815EiC
NPH10S4815iC
48
48
48
48
12.1
12.1
15.1
15.1
0.83
0.83
0.67
0.67
1.3
1.3
1.0
1.0
86
86
87
87
56
56
22
22
291
291
272
272
UEI15-120-Q48P-C
UEI15-120-Q48P-C
UEI15-150-Q48P-C
UEI15-150-Q48P-C
heatsink
? Operation to zero load
? Protected against load faults
? Internal over temperature protection
INPUT CHARACTERISTICS
Parameter Conditions
Continuous operation, 24V input types
Voltage range
Continuous operation, 48V input types 4
Min.
18
36
Typ.
24
48
Max.
36
75
Units
V
? Uses no electrolytic capacitors
OUTPUT CHARACTERISTICS
? Fixed frequency
? No external components required
DESCRIPTION
Parameter
Voltage set point error
Overall voltage error
Conditions
50% load after 30 mins at nominal sup-
ply voltage
Case temperature -40oC to 110oC
Load 0% - 100%
Min.
Typ.
1
Max.
0.5
2.5
Units
%
%
The NPH10S series of DC/DC converters combines
Input speci?ed range
ease of application with versatility. The pin pattern
is based on the popular industry standard, but two
additional pins may optionally be ?tted to provide
a variety of features not commonly found on units
of this type. High ef?ciency enables full rating to
be achieved in a small package without heat-
sinking. Thermally protected against sustained
Temperature coef?cient of
output voltage (slope)
Deviation of output voltage
Line regulation
Load Regulation
Ripple
Over any 10oC span within the speci?ed
temperature range
Speci?ed over temperature MIN-MAX
Operating voltage range, 50% load
0% - 100% rated load 5
rms
50
0.5
0.05
70
250
1
0.1
0.5
ppmoC
%
%
%
mV
overload. The copper case achieves ef?cient heat
transfer and screening. The product range has
ABSOLUTE MAXIMUM RATINGS
been recognised by Underwriters Laboratory (UL)
to UL 1950 for operational insulation, ?le number
E151252 applies.
Input voltage, 24V input types
Input voltage, 48V input types
Output voltage
Output trim control
Synchronisation/shutdown control
-0.5V to 40V 6
-0.5V to 80V 6
-0.3V to controlled output voltage (operating or non-operating)
-1V to +30V
±15V relative to input return
1. Parts ending with EiC have optional TRIM and SS pins ?tted.
2. Current is quoted when output is 95% of regulated voltage.
　
For full details go to
www.murata-ps.com/rohs
3. Calculated using MIL-HDBK-217F with nominal input voltage at full load.
4. For applications requiring UL 1950 recognition, input voltage must not exceed 60VDC.
5. A minimum load of 10% of rating is recommended for typical applications.
6. Absolute maximum value for 30 seconds. Prolonged application may damage the product.
All speci?cations typical at T A =25°C, nominal input voltage and rated output current unless otherwise speci?ed.
www.murata-ps.com/support
KDC_NPH10SC.J03 Page 1 of 8
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