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MER1S2412SC 데이터시트 PDF




Murata Power Solutions에서 제조한 전자 부품 MER1S2412SC은 전자 산업 및 응용 분야에서
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부품번호 MER1S2412SC 기능
기능 1kVDC Isolated 1W Single Output DC/DC Converters
제조업체 Murata Power Solutions
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MER1S2412SC 데이터시트, 핀배열, 회로
www.murata-ps.com
MER1 Series
1kVDC Isolated 1W Single Output DC/DC Converters
SELECTION GUIDE
Order Code
FEATURES
RoHS compliant
Typical efficiency to 89%
Wide temperature performance at full
load, –40°C to 85°C
UL 94V-0 package material
No heatsink required
Industry standard pinout
1kVDC isolation
5V, 12V, 15V, 24V, & 48V inputs
5V, 9V, 12V, & 15V output
Fully encapsulated with toroidal
magnetics
No external components required
No electrolytic or tantalum capacitors
UL 60950 recognition pending
wwPwR.ODDatUaSChTeeOtV4UE.RcoVmIEW
The MER1 series is the new high performance
version of our 1W NMR series. The MER1 series
is more efficient and offers improved regulation
performance for applications where a wide output
voltage variation can not be tolerated. They are
ideally suited for providing local supplies on
control system boards with the added benefit
of 1kVDC galvanic isolation to reduce switching
noise.
For full details go to
www.murata-ps.com/rohs
MER1S0505SC
MER1S0509SC
MER1S0512SC
MER1S0515SC
MER1S1205SC
MER1S1209SC
MER1S1212SC
MER1S1215SC
MER1S1505SC
MER1S1509SC
MER1S1512SC
MER1S1515SC
MER1S2405SC
MER1S2409SC
MER1S2412SC
MER1S2415SC
MER1S4805SC
MER1S4809SC
MER1S4812SC
MER1S4815SC
V V mA mA
%
mVp-p
% % pF kHrs
5 5 200 233 5.5 6.5 15 25 82 84 50
5 9 111 226 4.2 5 11 20 84 87 55
5 12 84 227 4.6 5.2 9 17 85 87 53
5 15 67 225 4.4 5 9 17 86 87.5 54
12 5 200 97 4.5 5 11 20 82 84 49
12 9 111 95 3 3.4 9 17 84 86.5 66
12 12 84 93 3 3.4 9 17 86 88.5 91
12 15 67 94 2.4 2.7 7 17 85 88 78
15 5 200 79 3.8 4.5 10 20 81 83.5 43
15 9 111 77 2.4 2.8 8 17 83 86.5 68
15 12 84 76 2.3 2.7 7 15 84 87.5 75
15 15 67 75 2.4 2.8 7 15 86 89 107
24 5 200 50 3.1 3.7 15 25 81 84 52
24 9 111 48 2.1 2.5 10 20 83 86.5 75
24 12 84 48 1.8 2.4 9 20 84 87.5 91
24 15 67 48 1.7 2.3 9 20 84 87.5 101
48 5 200 26 3.4 3.9 19 30 77 79.5 47
48 9 111 25 2.4 2.8 14 25 80 83 76
48 12 84 25 2.0 2.4 12 25 79 82.5 88
48 15 67 25 1.9 2.4 11 25 80 83 103
INPUT CHARACTERISTICS
Parameter
Conditions
Continuous operation, 5V input types
Continuous operation, 12V input types
Voltage Range
Continuous operation, 15V input types
Continuous operation, 24V input types
Continuous operation, 48V input types
5V input types
12V input types
Reflected Ripple Current 15V input types
24V input types
48V input types
Min. Typ. Max. Units
4.5 5 5.5
10.8 12 13.2
13.5 15 16.5
V
22.6 24 26.4
43.2 48 52.8
7 15
4 12
4 12 mA p-p
8 20
25 40
ABSOLUTE MAXIMUM RATINGS
Lead temperature 1.5mm from case for 10 seconds
Input voltage VIN, 5Vin types
Input voltage VIN, 12Vin types
Input voltage VIN, 15Vin types
Input voltage VIN, 24Vin types
Input voltage VIN, 48Vin types
260°C
7V
15V
18V
28V
54V
1. See Ripple & Noise characterisation method.
2. Calculated using MIL-HDBK-217F FN2 with nominal input voltage at full load.
All specifications typical at TA=25°C, nominal input voltage and rated output current unless otherwise specified.
www.murata-ps.com
Technical enquiries email: [email protected], tel: +44 (0)1908 615232
2009/09/15 KDC_MER1.A01 Page 1 of 6




MER1S2412SC pdf, 반도체, 판매, 대치품
MER1 Series
1kVDC Isolated 1W Single Output DC/DC Converters
APPLICATION NOTES (continued)
Output Ripple Reduction
By using the values of inductance and capacitance stated, the output ripple at the rated load is lowered to 5mV p-p max.
Component selection
Capacitor: It is required that the ESR (Equivalent Series Resistance) should be as low as possible, ceramic types are recommended.
The voltage rating should be at least twice (except for 15V output), the rated output voltage of the DC/DC converter.
Inductor: The rated current of the inductor should not be less than that of the output of the DC/DC converter. At the rated current, the DC resistance of the inductor
should be such that the voltage drop across the inductor is <2% of the rated voltage of the DC/DC converter. The SRF (Self Resonant Frequency) should be
>20MHz.
L
Power
Source
DC
DC
C Load
MER1S0505SC
MER1S0509SC
MER1S0512SC
MER1S0515SC
MER1S1205SC
MER1S1209SC
MER1S1212SC
MER1S1215SC
MER1S1505SC
MER1S1509SC
MER1S1512SC
MER1S1515SC
MER1S2405SC
MER1S2409SC
MER1S2412SC
MER1S2415SC
MER1S4805SC
MER1S4809SC
www.DataSMhEeRe1St44U81.c2oSCm
MER1S4815SC
L, μH
10
22
47
47
10
22
47
47
10
22
47
47
10
22
47
47
10
22
47
47
Inductor
SMD
82103C
82223C
82473C
82473C
82103C
82223C
82473C
82473C
82103C
82223C
82473C
82473C
82103C
82223C
82473C
82473C
82103C
82223C
82473C
82473C
Through Hole
11R103C
11R223C
11R473C
11R473C
11R103C
11R223C
11R473C
11R473C
11R103C
11R223C
11R473C
11R473C
11R103C
11R223C
11R473C
11R473C
11R103C
11R223C
11R473C
11R473C
Capacitor
C, μF
4.7
2.2
1
1
4.7
2.2
1
1
4.7
2.2
1
1
4.7
2.2
1
1
4.7
2.2
1
1
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 MER1 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 MER1 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 MER1 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.
www.murata-ps.com
Technical enquiries email: [email protected], tel: +44 (0)1908 615232
2009/09/15 KDC_MER1.A01 Page 4 of 6

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MER1S2412SC

1kVDC Isolated 1W Single Output DC/DC Converters

Murata Power Solutions
Murata Power Solutions

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