NPH10S Series
www.murata-ps.com
Isolated 10W Single Output DC/DC Converters
SELECTION GUIDE
Current
Limit2 (Typ.)
Order Code1
V
V
3.4
A
A
%
79
79
83
83
86
86
86
86
80
80
83
83
μF
kHrs
279
279
275
275
259
259
243
243
317
317
312
312
NPH10S2403EiC
NPH10S2403iC
NPH10S2405EiC
NPH10S2405iC
NPH10S2412EiC
NPH10S2412iC
NPH10S2415EiC
NPH10S2415iC
NPH10S4803EiC
NPH10S4803iC
NPH10S4805EiC
NPH10S4805iC
24
24
24
24
24
24
24
24
48
48
48
48
2.94
2.94
1.96
1.96
0.83
0.83
0.67
0.67
2.94
2.94
1.96
1.96
4.3
4.3
3.1
3.1
1.2
1.2
1.1
1.1
4.1
4.1
2.8
2.8
470
470
470
470
100
100
47
3.4
5.1
FEATURES
ꢀRoHS compliant
5.1
12.1
12.1
15.1
15.1
3.4
ꢀHigh efficiency to 87%
ꢀPower density up to 1.5Wcm3
ꢀUL1950 recognized
47
470
470
470
470
3.4
ꢀIndustry standard pinout
ꢀSurge rating to 12W
ꢀNon latching current limit
ꢀ1.5kV input to output isolation
ꢀVersatile control options
5.1
5.1
Recommended
Alternative
Obsolete
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
ꢀContinuous rating to 10W at 72ºC without
heatsink
INPUT CHARACTERISTICS
ꢀOperation to zero load
Parameter
Conditions
Min.
18
36
Typ.
24
48
Max.
36
75
Units
V
ꢀProtected against load faults
ꢀInternal over temperature protection
ꢀUses no electrolytic capacitors
ꢀFixed frequency
Continuous operation, 24V input types
Continuous operation, 48V input types4
Voltage range
OUTPUT CHARACTERISTICS
Parameter
Conditions
Min.
Typ.
Max.
0.5
Units
%
Voltage set point error
50% load after 30 mins at nominal sup-
ply voltage
ꢀNo external components required
Case temperature -40ºC to 110ºC
Load 0% - 100%
Input specified range
DESCRIPTION
Overall voltage error
1
2.5
%
The NPH10S series of DC/DC converters combines
ease of application with versatility. The pin pattern
is based on the popular industry standard, but two
additional pins may optionally be fitted to provide
a variety of features not commonly found on units
of this type. High efficiency enables full rating to
be achieved in a small package without heat-
sinking. Thermally protected against sustained
overload. The copper case achieves efficient heat
transfer and screening. The product range has
been recognised by Underwriters Laboratory (UL)
to UL 1950 for operational insulation, file number
E151252 applies.
Temperature coefficient of
output voltage (slope)
Over any 10ºC span within the specified
temperature range
50
250
1
ppmºC
%
Deviation of output voltage
Specified over temperature MIN-MAX
0.5
Line regulation
Load Regulation
Ripple
Operating voltage range, 50% load
0% - 100% rated load5
rms
0.05
0.1
0.5
%
%
70
mV
ABSOLUTE MAXIMUM RATINGS
Input voltage, 24V input types
Input voltage, 48V input types
Output voltage
-0.5V to 40V6
-0.5V to 80V6
-0.3V to controlled output voltage (operating or non-operating)
-1V to +30V
Output trim control
Synchronisation/shutdown control
15V relative to input return
1. Parts ending with EiC have optional TRIM and SS pins fitted.
2. Current is quoted when output is 95% of regulated voltage.
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.
For full details go to
www.murata-ps.com/rohs
All specifications typical at T =25°C, nominal input voltage and rated output current unless otherwise specified.
A
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