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CRV1S1215SC

P1-P3P4-P6P7-P7
CRV1 Series
3kVDC Isolated 1W Single & Dual Output DC/DC Converters
KDC_CRV1.B01 Page 1 of 7
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SELECTION GUIDE
Order Code
Nominal Input Voltage
Output Voltage
Output Current
Input Current at
Rated Load
Load Regulation (Typ)
Load Regulation (Max)
Ripple & Noise (Typ)
1
Ripple & Noise (Max)
1
Efficiency (Min)
Efficiency (Typ)
Isolation Capacitance
MTTF
2
V V mA % mVp-p % pF
MIL. Tel.
kHrs
CRV1S0505SC 5 5 200 294 11 14 16 23 67 70 23 4241
CRV1D0512SC 5 ±12 ±42 256 5 7 6.7 8 76 79 26 1579
CRV1D1212SC 12 ±12 ±42 111 4 5 6 10 77 81 42 1287
CRV1S1215SC 12 15 67 108 4 5 8.5 17 79 83 42 1462
INPUT CHARACTERISTICS
Parameter Conditions Min. Typ. Max. Units
Voltage range
Continuous operation, 5V input types 4.5 5 5.5
V
Continuous operation, 12V input types 10.8 12 13.2
Reflected ripple current All input types 20 40 mA p-p
OUTPUT CHARACTERISTICS
Parameter Conditions Min. Typ. Max. Units
Rated Power
T
A=-40°C to 85°C, See derating curve
1W
Voltage Set Point Accuracy See tolerance envelope
Line regulation High V
IN to low VIN 1.1 1.2 %/%
ISOLATION CHARACTERISTICS
Parameter Conditions Min. Typ. Max. Units
Isolation test voltage Flash tested for 1 minute 3000 VDC
Resistance Viso= 1000VDC 10 GΩ
GENERAL CHARACTERISTICS
Parameter Conditions Min. Typ. Max. Units
Switching frequency
5V input types 120
kHz
12V input types 150
ABSOLUTE MAXIMUM RATINGS
Lead temperature 1.5mm from case for 10 seconds 260°C
Input voltage V
IN, 5V input 7V
Input voltage V
IN, 12V input 15V
TEMPERATURE CHARACTERISTICS
Parameter Conditions Min. Typ. Max. Units
Specification All output types -40 85
°C
Storage -50 125
Case Temperature above
ambient
5V output types 28
All other output types
25
Cooling Free air convection
1. See Ripple & Noise characterisation method.
2. Calculated using MIL-HDBK-217 FN2 and Telcordia SR-332 calculation model with nominal input voltage at full load.
All specifications typical at T
A=25°C, nominal input voltage and rated output current unless otherwise specified.
PRODUCT OVERVIEW
The CRV1 series of industrial temperature range
DC/DC converters are the standard buliding blocks
for on-board distributed power systems. They
are ideally suited for providing local supplies on
control system boards with the added benefit
of 3kVDC galvanic isolation to reduce switching
noise. Available in SIP package with dual and
single output pinout. All of the rated power may be
drawn from a single output rail provided the total
loaddoes not exceed 1 watt.
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FEATURES
UL 60950 Recognised
Wide temperature performance at full
1 Watt load, –40°C to 85°C
UL 94V-0 package material
Industry standard pinout
3kVDC isolation (1 minute) ‘Hi Pot Test’
5V & 12V inputs
5V, 12V & 15V output
Fully encapsulated with toroidal
magnetics
No external components required
No electrolytic or tantalum capacitors
CRV1 Series
3kVDC Isolated 1W Single & Dual Output DC/DC Converters
KDC_CRV1.B01 Page 2 of 7
www.murata-ps.com/support
TEMPERATURE DERATING GRAPH
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 CRV1 series of DC/DC converters are all 100% production tested at their stated isolation voltage. This is 3kVDC for 1 minute.
A question commonly asked is, “What is the continuous voltage that can be applied across the part in normal operation?”
The CRV1 has been recognised by Underwriters Laboratory for functional insulation, 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 CRV1 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.
SAFETY APPROVAL
The CRV1 series has been recognised by Underwriters Laboratory (UL) to UL 60950 for functional insulation.
The CRV1 Series of converters are not internally fused so to meet the requirements of UL 60950 an anti-surge input line fuse should always be used with ratings as defined below.
CRV1S05xxxxC: 0.5A
CRV1S12xxxxC: 0.2A
All fuses should be UL recognized and rated to at least the maximum allowable DC input voltage.
File number E151252 applies.
RoHS COMPLIANT INFORMATION
This series is compatible with RoHS soldering systems with a peak wave solder temperature of
260°C for 10 seconds. The pin termination finish on the SIP package type is Tin Plate, Hot Dipped
over Matte Tin with Nickel Preplate. Both types in this series is backward compatible with Sn/Pb
soldering systems.
For further information, please visit www.murata-ps.com/rohs
150100
50
0
-40
0
0.5
1.0
1.5
Safe Operating Area
85°C
Ambient Temperature (°C)
Output Power (W)
120°C
CRV1 Series
3kVDC Isolated 1W Single & Dual Output DC/DC Converters
KDC_CRV1.B01 Page 3 of 7
www.murata-ps.com/support
EFFICIENCY VS LOAD
5V Inputs 12V Inputs
0
10
20
30
40
50
60
70
80
90
0 102030405060708090100
Efficiency (%)
Load (%)
CRV1D1212SC
CRV1S1215SC
0
10
20
30
40
50
60
70
80
90
0 102030405060708090100
Efficiency (%)
Load (%)
CRV1D0512SC
CRV1S0505SC
TOLERANCE ENVELOPES
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.
CRV1S0505SC CRV1S1215SC
CRV1D0512SC CRV1D1212SC
+10%
+3%
+7%
+1%
Output Load Current (%)
Output Load Current (%)
Output Voltage
Output Voltage
-5%
-3%
-1%
0%
100 100
75 75
50 50
25 25
10 10
+6%
+4%
Output Load Current (%)
Output Voltage
-2%
+1%
100
75
50
25
10
+3%
+1%
Output Load Current (%)
Output Voltage
-3%
-1%
100
75
50
25
10
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CRV1S1215SC

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Module DC-DC 12VIN 1-OUT 15V 0.067A 1W
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