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NDTS1205C डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - Isolated 3W Single Output DC/DC Converters - Murata

भाग संख्या NDTS1205C
समारोह Isolated 3W Single Output DC/DC Converters
मैन्युफैक्चरर्स Murata 
लोगो Murata लोगो 
पूर्व दर्शन
1 Page
		
<?=NDTS1205C?> डेटा पत्रक पीडीएफ

NDTS1205C pdf
ABSOLUTE MAXIMUM RATINGS
Short-circuit protection
Lead temperature 1.5mm from case for 10 seconds
Minimum output load for specification3
Input voltage 05 types
Input voltage 12 types
Input voltage 24 types
Input voltage 48 types
Free air space
GENERAL CHARACTERISTICS
Parameter
Switching frequency
Conditions
100% to 25% load, VIN Min. to Max.
NDTS Series
Isolated 3W Single Output DC/DC Converters
8 Hours
300°C
25% of rated output
10V
20V
40V
80V
10mm Min. around component
Min. Typ. Max. Units
70 650 kHz
ISOLATION CHARACTERISTICS
Parameter
Isolation voltage
Resistance
Conditions
Flash tested for 1 second
Resistance
Min. Typ. Max. Units
1000 VDC
1 GΩ
TEMPERATURE CHARACTERISTICS
Parameter
Conditions
Min. Typ. Max. Units
Operation
-40 85
Storage
-50 125
Case temperature rise above ambient
in still air
NDTS0515C, NDTS1205C, NDTS1212C, NDTS1215C, NDTS2405C,
NDTS2412C, NDTS2415C, NDTS4812C & NDTS4815C
NDTS0505C, NDTS0512C, NDTS1203C, NDTS2403C, NDTS4803C &
NDTS4805C
30
40
ºC
NDTS0503C
50
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 NDTS 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 NDTS 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 NDTS series has an EI ferrite core, 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.
RoHS COMPLIANCE INFORMATION
This series is compatible with RoHS soldering systems with a peak wave solder
temperature of 300ºC for 10 seconds. The pin termination finish on this product series
is Tin. The 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_NDTS.D06 Page 2 of 6

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भाग संख्याविवरणविनिर्माण
NDTS1205CIsolated 3W Single Output DC/DC ConvertersMurata
Murata


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