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SELECTION GUIDE
NPH15S Series
Isolated 15W Single Output DC/DC Converters
Order Code 1
Nominal Input
Voltage
Output
Voltage
Output
Current
Current Limit
Ef?ciency
MTTF 2
V
V
A
A (Min.)
A (Max.)
%
kHrs
NPH15S2403EiC
NPH15S2403iC
24
24
3.4
3.4
4.4
4.4
7.5
7.5
11.0
11.0
81
81
335
335
FEATURES
? RoHS compliant
? High ef?ciency to 89%
? Power density up to 2.4W/cm 3
? UL 94V-0 package material
? Industry standard pinout
? UL 1950 recognized
? Non latching current limit
? Constant 350kHz frequency
? 1.5kV input to output isolation
NPH15S2405EiC
NPH15S2405iC
NPH15S2412EiC
NPH15S2412iC
NPH15S2415EiC
NPH15S2415iC
NPH15S4803EiC
NPH15S4803iC
NPH15S4805EiC
NPH15S4805iC
NPH15S4812EiC
NPH15S4812iC
NPH15S4815EiC
NPH15S4815iC
24
24
24
24
24
24
48
48
48
48
48
48
48
48
5.1
5.1
12.1
12.1
15.1
15.1
3.4
3.4
5.1
5.1
12.1
12.1
15.1
15.1
3.0
3.0
1.3
1.3
1.0
1.0
4.4
4.4
3.0
3.0
1.3
1.3
1.0
1.0
5.0
5.0
2.5
2.5
2.0
2.0
7.5
7.5
5.0
5.0
2.5
2.5
2.0
2.0
7.5
7.5
3.7
3.7
3.0
3.0
11.0
11.0
7.5
7.5
3.7
3.7
3.0
3.0
84
84
86
86
87
87
83
83
85
85
88
88
89
89
286
286
286
286
281
281
295
295
301
301
302
302
296
296
? Versatile control options
? Continuous rating to 30W at 40oC without
INPUT CHARACTERISTICS
Parameter Conditions
Min.
Typ.
Max.
Units
heatsink
? Operation to zero load
Voltage range
Continuous operation, 24V input types
Continuous operation, 48V input types
18
36
24
48
36
75
V
? Protected against load faults
OUTPUT CHARACTERISTICS
? Internal over temperature protection
? Uses no electrolytic capacitors
DESCRIPTION
Parameter
Voltage set point error
Overall voltage error
Conditions
50% load
Case temperature -40oC to 110oC
Load 0% - 100%
Input speci?ed range
Min.
Typ.
Max.
0.5
2.5
Units
%
%
The NPH15S series of DC/DC converters combines
ease of application with versatility. The pin pattern
Temperature coef?cient
of output voltage (slope)
250
ppmoC
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, and a high surge capability will provide
Deviation of output
voltage
Line regulation
Load Regulation
Ripple
Temperature MIN-MAX
Operating voltage range, 50% load
0% - 100% rated load
rms
0.5
70
1
0.1
0.5
%
%
%
mV
for start-up and transient loads, whilst being
thermally protected against sustained overload.
Overload protection of the “constant current” type
ensures start-up into complex load conditions. The
copper case achieves ef?cient heat transfer and
ISOLATION CHARACTERISTICS
Parameter Conditions
Isolation test voltage Flash tested for 1 second
Resistance VISO = 500VDC
Min.
1500
1
Typ.
Max.
Units
VDC
GΩ
screening. The product range has been recog-
nised by Underwriters Laboratory (UL) to UL 1950
ABSOLUTE MAXIMUM RATINGS
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 3
-0.5V to 80V 3
-0.3V to regulated voltage
-1V to +30V
±15V relative to input return
　
1. Parts ending with EiC have optional TRIM and SS pins ?tted.
2. Calculated using MIL-HDBK-217F with nominal input voltage at full load.
For full details go to
www.murata-ps.com/rohs
3. Absolute maximum value for 30 seconds. Prolonged operation 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_NPH15S.F05 Page 1 of 8
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NPH15S4803EIC 功能描述:DC/DC转换器 15W 48V to 3V 5A Single Output RoHS:否 制造商:Murata 产品: 输出功率: 输入电压范围:3.6 V to 5.5 V 输入电压（标称）: 输出端数量:1 输出电压（通道 1）:3.3 V 输出电流（通道 1）:600 mA 输出电压（通道 2）: 输出电流（通道 2）: 安装风格:SMD/SMT 封装 / 箱体尺寸:
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