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Murata Manufacturing Electronic Components Datasheet

MTU1 Datasheet

Isolated 1W Single Output SM DC/DC Converters

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www.murata-ps.com
SELECTION GUIDE
MTU1 Series
Isolated 1W Single Output SM DC/DC Converters
Order Code1
FEATURES
Patent Pending
Footprint over pins 0.69cm2
Single isolated output
1kVDC Isolation
Efficiency up to 88% (Typ.)
MSL Level 1
Power density 1.71W/cm3
Wide temperature performance at full
1 Watt load, –40°C to 85°C
UL 94V-0 Package material
5V & 12V Input
5V, 9V, 12V & 15V output
Toroidal magnetics
Custom solutions available
Multi-layer ceramic capacitors
PRODUCT OVERVIEW
The MTU1 series is a new range of miniature
surface mount, high performance 1W DC/DC
converters. With a footprint reduction of over 50%
from the previous generation of 1W SMD DC/DC,
the MTU1 series offers 1W of available output
power over the full industrial temperature range of
-40ºC to 85ºC. The MTU1 series is more efficient
and offers improved regulation performance for
applications where a wide output voltage variation
can not be tolerated.
The devices are suitable for all applications where
high volume production is envisaged.
www.DataSheet4U.com
For full details go to
www.murata-ps.com/rohs
V V mA
%
mVp-p mA % % pF kHrs
MTU1S0505MC 5
5 200 7.3 9 35 60 241 80 83 19 5664
MTU1S0509MC 5
9 111 6.1 7.5 15 25 233 83 86 20 5488
MTU1S0512MC 5 12 83 5.6 7.5 15 25 230 84 87 21 5186
MTU1S0515MC 5 15 67 5.3 6.5 15 25 230 84 87 22 4773
MTU1S1205MC 12 5 200 5.6 8 20 40 99 80 84 22 5641
MTU1S1209MC 12 9 111 3.9 6 15 25 96 82 87 31 5467
MTU1S1212MC 12 12 83 3.5 6 10 25 95 83 88 40 5165
MTU1S1215MC 12 15 67 3.2 5 10 25 95 84 88 35 4753
INPUT CHARACTERISTICS
Parameter
Conditions
Voltage range
Continuous operation, 5V input types
Continuous operation, 12V input types
Reflected ripple current
5V input types
12V input types
Min. Typ. Max. Units
4.5 5.0 5.5
10.8 12.0 13.2
V
6
mA p-p
5
ISOLATION CHARACTERISTICS
Parameter
Conditions
Isolation voltage
Flash tested for 1 second
Resistance
Viso= 1000VDC
Min. Typ. Max. Units
1000 VDC
10 GΩ
GENERAL CHARACTERISTICS
Parameter
Conditions
Switching frequency
5V input types
12 input types
Min. Typ. Max. Units
82
kHz
90
ABSOLUTE MAXIMUM RATINGS
Input voltage VIN, MTU1S05 types
Input voltage VIN, MTU1S12 types
7V
15V
OUTPUT CHARACTERISTICS
Parameter
Conditions
Rated power
TA=-40°C to 85°C
Voltage set point accuracy See tolerance envelope
Line regulation
High VIN to low VIN
Min. Typ. Max. Units
1.0 W
1.0 1.1 %/%
TEMPERATURE CHARACTERISTICS
Parameter
Conditions
Specification
All output types
Storage
Case temperature rise
above ambient4
All types
Cooling
Free air convection
Min. Typ. Max.
-40 85
-55 125
12
1. If components are required in tape and reel format suffix order code with -R, e.g. MTU10505MC-R.
2. Calculated using MIL-HDBK-217 FN2 calculation model with nominal input voltage at full load.
3. See ripple & noise characterisation method.
4. Measured after 1 hour continuous operation at nominal VIN full load at the center of each PCB.
All specifications typical at TA=25°C, nominal input voltage and rated output current unless otherwise specified.
Units
°C
www.murata-ps.com
Technical enquiries email: mk@murata-ps.com, tel: +44 (0)1908 615232
2011-02-01 KDC_MTU.A03 Page 1 of 6


Murata Manufacturing Electronic Components Datasheet

MTU1 Datasheet

Isolated 1W Single Output SM DC/DC Converters

No Preview Available !

MTU1 Series
Isolated 1W Single Output SM DC/DC Converters
TECHNICAL NOTES
ISOLATION VOLTAGE
‘Hi Pot Test’, ‘Flash Tested’, ‘Withstand Voltage’, ‘Proof Voltage’, ‘Dielectric Withstand Voltage’ & ‘Isolation Test Voltage’ are all terms that relate to the same thing, a test voltage,
applied for a specified time, across a component designed to provide electrical isolation, to verify the integrity of that isolation.
Murata Power Solutions MTU1 series of DC/DC converters are all 100% production tested at their stated isolation voltage. This is 1kVDC for 1 second.
A question commonly asked is, “What is the continuous voltage that can be applied across the part in normal operation?”
For a part holding no specific agency approvals, such as the MTU1 series, both input and output should normally be maintained within SELV limits i.e. less than 42.4V peak, or
60VDC. The isolation test voltage represents a measure of immunity to transient voltages and the part should never be used as an element of a safety isolation system. The part
could be expected to function correctly with several hundred volts offset applied continuously across the isolation barrier; but then the circuitry on both sides of the barrier must
be regarded as operating at an unsafe voltage and further isolation/insulation systems must form a barrier between these circuits and any user-accessible circuitry according to
safety standard requirements.
REPEATED HIGH-VOLTAGE ISOLATION TESTING
It is well known that repeated high-voltage isolation testing of a barrier component can actually degrade isolation capability, to a lesser or greater degree depending on materials,
construction and environment. The MTU1 series has toroidal isolation transformers, with no additional insulation between primary and secondary windings of enameled wire. While
parts can be expected to withstand several times the stated test voltage, the isolation capability does depend on the wire insulation. Any material, including this enamel (typically
polyurethane) is susceptible to eventual chemical degradation when subject to very high applied voltages thus implying that the number of tests should be strictly limited. We
therefore strongly advise against repeated high voltage isolation testing, but if it is absolutely required, that the voltage be reduced by 20% from specified test voltage.
This consideration equally applies to agency recognized parts rated for better than functional isolation where the wire enamel insulation is always supplemented by a further
insulation system of physical spacing or barriers.
TEMPERATURE DERATING GRAPH
1.5
1.0 85°C
0.5 Safe Operating Area
TOLERANCE ENVELOPES
5V output types
5.5%
VNOM
1.5%
0%
All other types
5%
VNOM
1%
0%
0
-40 0 50 100 150
Ambient Temperature (°C)
-4%
10 25 50 75 100
Output Load Current (%)
-4%
10 25 50 75 100
Output Load Current (%)
The voltage tolerance envelope shows typical load regulation characteristics for this product series. The tolerance
envelope is the maximum output voltage variation due to changes in output loading.
RoHS COMPLIANCE INFORMATION
This series is compatible with RoHS soldering systems with a peak reflow solder temperature of 245ºC as per J-STD-020D.
The pin termination finish on this product series is Matte Tin over Nickel Preplate. The series is backward compatible with Sn/Pb soldering
systems. The series has a Moisture Sensitivity Level (MSL) 1.
Samples of the product series were tested in accordance with the conditioning described for MSL level 1 in IPS/JEDEC STD-020D.
The product series passed electrical tests and visual inspection criteria.
For further information, please visit: www.murata-ps.com/rohs
www.DataSheet4U.com
1. Measured on centre of input side PCB.
www.murata-ps.com
Technical enquiries email: mk@murata-ps.com, tel: +44 (0)1908 615232
2011-02-01 KDC_MTU.A03 Page 2 of 6


Part Number MTU1
Description Isolated 1W Single Output SM DC/DC Converters
Maker Murata Power Solutions
PDF Download

MTU1 Datasheet PDF






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