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Murata Manufacturing Electronic Components Datasheet

MEF1S1203SP3C Datasheet

Isolated 1W Regulated Single Output DC/DC Converters

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MEF1S1203SP3C pdf
www.murata-ps.com
MEF1 Series
Isolated 1W Regulated Single Output DC/DC Converters
SELECTION GUIDE
FEATURES
„UL60950 recognised
„Short circuit protection
„Operation to zero load
„Output regulation <1%
„Power density 0.85W/cm3
„Single isolated output
„UL 94V-0 package material
„Footprint from 1.17cm2
„1kVDC or 3.5kVDC isolation options
„3.3V, 5V, 12V & 24V input
„3.3V & 5V output
„SMD construction
„Fully encapsulated with toroidal magnetics
DESCRIPTION
The MEF1 series of DC/DC converters is used
where a tightly regulated supply is required. They
are ideal for situations where the input voltage
is not tightly controlled. The single rail regulated
output makes the ideal choice to power sensors,
such as pressure transducers, hall effect sensors
and mass airflow sensors.
Order Code
MEF1S0303SPC
MEF1S0305SPC
MEF1S0503SPC
MEF1S0505SPC
MEF1S1203SPC
MEF1S1205SPC
MEF1S2403SPC
MEF1S2405SPC
MEF1S0303SP3C
MEF1S0305SP3C
MEF1S0503SP3C
MEF1S0505SP3C
MEF1S1203SP3C
MEF1S1205SP3C
MEF1S2403SP3C
MEF1S2405SP3C
V V mA
mVp-p
mA % % pF
3.3 3.3 303 11 35 460 63 66 40
3.3 5 200 9 35 430 68 71 30
5 3.3 303 8 30 290 65 68.5 40
5 5 200 10 40 275 69 73 50
12 3.3 303 11 35 120 65 69 40
12 5 200 10 35 115 69 73.5 60
24 3.3 303 13 40 60 64 69 35
24 5 200 13 40 55 68 73 45
3.5kVDC Isolation Part Numbers
3.3 3.3 303 11 35 460 63 66 40
3.3 5 200 9 35 430 68 71 30
5 3.3 303 8 30 290 65 68.5 40
5 5 200 10 40 275 69 73 50
12 3.3 303 11 35 120 65 69 40
12 5 200 10 35 115 69 73.5 60
24 3.3 303 13 40 60 64 69 35
24 5 200 13 40 55 68 73 45
kHrs
495
867
665
1051
511
1044
580
834
495
867
665
1051
511
1044
580
834
INPUT CHARACTERISTICS
Parameter
Conditions
Continuous operation, 3.3V input types
Voltage range
Continuous operation, 5V input types
Continuous operation, 12V input types
Continuous operation, 24V input types
Reflected ripple current
Min.
3.135
4.75
11.4
22.8
Typ.
3.3
5
12
24
5
Max.
3.465
5.25
12.6
25.2
20
Units
V
mA p-p
OUTPUT CHARACTERISTICS
Parameter
Conditions
3.3V Output
Voltage set point accuracy
5V Output
Rated power
TA= -40°C to 85°C
Line regulation
High VIN to low VIN
Load regulation
10% load to rated load
Min. Typ.
0.3
Max.
± 2.5
±2
1
0.25
1
Units
%
W
%/%
%
ABSOLUTE MAXIMUM RATINGS
Short-circuit protection
Lead temperature 1.5mm from case for 10 seconds
Internal power dissipation
Input voltage VIN, MEF1S03 types
Input voltage VIN, MEF1S05 types
Input voltage VIN, MEF1S12 types
Input voltage VIN, MEF1S24 types
Continuous
260°C
450mW
4V
7V
18V
28V
1. Calculated using MIL-HDBK-217F with nominal input voltage at full load.
All specifications typical at TA=25°C, nominal input voltage and rated output current unless otherwise specified.
For full details go to
www.murata-ps.com/rohs
www.murata-ps.com/support
KDC_MEF1.C02 Page 1 of 7


Murata Manufacturing Electronic Components Datasheet

MEF1S1203SP3C Datasheet

Isolated 1W Regulated Single Output DC/DC Converters

No Preview Available !

MEF1S1203SP3C pdf
MEF1 Series
Isolated 1W Regulated Single Output DC/DC Converters
ISOLATION CHARACTERISTICS
Parameter
Conditions
Isolation test voltage
SPC Versions Flash tested for 1 second
SP3C Versions Flash tested for 1 minute
Resistance
Viso= 1kVDC
GENERAL CHARACTERISTICS
Parameter
Conditions
0303
Switching frequency
5V input types
12V input types & 0305
24V input types
TEMPERATURE CHARACTERISTICS
Parameter
Conditions
Specification
All output types
Case temperature above ambient
Storage
Cooling
Free air convection
Min. Typ. Max. Units
1000
VDC
3500
10 GΩ
Min. Typ. Max. Units
45
50
kHz
60
75
Min. Typ. Max. Units
-40 85
40 °C
-50 125
TEMPERATURE DERATING GRAPH
1.5
1.0
85°C
0.5 Safe Operating Area
0
-40 0 50 100 150
Ambient Temperature (°C)
RoHS COMPLIANCE INFORMATION
This series is compatible with RoHS soldering
systems with a peak wave solder temperature of
260ºC for 10 seconds. The pin termination finish
on the SIP package type is Tin Plate, Hot Dipped
over Matte Tin over Nickel Preplate. This series
is backward compatible with Sn/Pb soldering
systems.
For further information, please visit www.murata-ps.com/rohs
www.murata-ps.com/support
KDC_MEF1.C02 Page 2 of 7


Part Number MEF1S1203SP3C
Description Isolated 1W Regulated Single Output DC/DC Converters
Maker Murata
Total Page 7 Pages
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