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NMF Series
Isolated 1W Regulated Single Output DC/DC Converters
INPUT CHARACTERISTICS
Parameter
Voltage range
Conditions
Continuous operation, 5V input types
Continuous operation, 12V input types
Continuous operation, 24V input types
Continuous operation, 48V input types
Min.
4.75
11.4
22.8
45.6
Typ.
5
12
24
48
Max.
5.25
12.6
25.2
50.4
Units
V
OUTPUT CHARACTERISTICS
Parameter
Voltage set point accuracy
Rated power 1
Line regulation
Load regulation
Ripple & noise
Conditions
100% load
T A = 0 °C to 70 °C
High V IN to low V IN
10% load to rated load
BW=DC to 20MHz, all output types
Min.
Typ.
0.9
Max.
5
1
0.25
1.5
60
Units
%
W
%/%
%
mV p-p
ISOLATION CHARACTERISTICS
Parameter
Isolation test voltage
Resistance
Conditions
Flash tested for 1 second
Viso= 500VDC
Min.
1000
0.1
Typ.
Max.
Units
VDC
GΩ
GENERAL CHARACTERISTICS
Parameter
Switching frequency
Conditions
All input types
Min.
Typ.
90
Max.
Units
kHz
TEMPERATURE CHARACTERISTICS
Parameter
Speci?cation
Conditions
All output types
Min.
0
Typ.
Max.
70
Units
Case temperature above ambient
Storage
Cooling
Free air convection
-55
38
150
°C
TEMPERATURE DERATING GRAPH
RoHS COMPLIANCE INFORMATION
This series is compatible with RoHS soldering
100%
70°C
systems with a peak wave solder temperature of
300oC for 10 seconds. The pin termination ?nish
on the SIP package type is Tin Plate, Hot Dipped
50% Safe Operating Area
over Matte Tin over Nickel Preplate. The DIP
types are Matte Tin over Nickel Preplate. Both
0
0
50
100
125oC
150
types in this series are backward compatible
with Sn/Pb soldering systems.
Ambient Temperature (oC)
For further information, please visit www.murata-ps.com/rohs
OUTPUT VOLTAGE ADJUSTMENT (for 5V output variants)
The trimming (adjust) input on the device allows output voltage adjustment from 1.2V to 3.3VDC by using a resistor as shown here. The table below provides R TRIM values for the
most commonly required output voltages. For applications not requiring the TRIM function, this pin must be left unconnected for normal regulated output.
V OUT SET (V)
R TRIM ( Ω )
+V IN
-V IN
NMF
TRIM
R TRIM
V OUT
-V OUT
1.2
1.5
2.0
2.1
2.2
2.5
3.3
0
64
224
263
304
448
1071
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KDC_NMF.F02 Page 2 of 5
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功能描述:DC/DC转换器 1W SNGL REG 24-9V 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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