MURATA KDC_NTA

NTA Series
Isolated 1W Dual Output SM DC/DC Converters
SELECTION GUIDE
1
Order Code
FEATURES
RoHS compliant
Efficiency up to 78%
Wide temperature performance at full
1 Watt load, –40°C to 85°C
UL 94V-0 Package material
Footprint over pins 1.64cm2
Lead frame technology
3.3V, 5V & 12V Input
3.3V, 5V, 9V, 12V & 15V Output
Internal SMD construction
Toroidal magnetics
Nominal
Input
Voltage
V
NTA0303MC
NTA0305MC
NTA0309MC
NTA0312MC
NTA0315MC
NTA0503MC
NTA0505MC
NTA0505MEC
NTA0509MC
NTA0512MC
NTA0515MC
NTA1205MC
NTA1209MC
NTA1212MC
NTA1215MC
3.3
3.3
3.3
3.3
3.3
5
5
5
5
5
5
12
12
12
12
mA
±3.3
±5
±9
±12
±15
±3.3
±5
±5
±9
±12
±15
±5
±9
±12
±15
±152
±100
±55
±42
±33
±152
±100
±100
±55
±42
±33
±100
±55
±42
±33
402
388
405
390
392
259
290
251
267
260
256
121
113
111
110
Output
Current
Efficiency
%
pF
kHrs
75
78
75
77
77
77
69
80
75
77
78
69
74
75
76
29
30
34
40
42
31
33
42
38
44
43
50
72
89
100
1005
399
827
375
206
964
1697
367
682
343
188
559
375
243
154
INPUT CHARACTERISTICS
Parameter
Conditions
Min.
Typ.
Max.
Voltage range
Continuous operation, 3V input types
Continuous operation, 5V input types
Continuous operation, 12V input types
2.97
4.5
10.8
3.3
5
12
41
3.63
5.5
13.2
50
mA p-p
Typ.
Max.
Units
Reflected ripple current
Power density 1.36W/cm3
ISOLATION CHARACTERISTICS
No heatsink required
Parameter
Conditions
Min.
Isolation voltage
Resistance
Flash tested for 1 second
Viso= 1000VDC
1000
10
Custom solutions available
Isolation
MTTF2
Capacitance
When operated with additional external load capacitance the rise time of the input voltage will determine the maximum external
capacitance value for guaranteed start up. The slower the rise time of the input voltage the greater the maximum value of the
additional external capacitance for reliable start up.
1kVDC Isolation
MTTF up to 2.1 Million hours
V
Input
Current at
Rated Load
mA
Output
Voltage
Units
V
VDC
GΩ
Multi-layer ceramic capacitors
GENERAL CHARACTERISTICS
PRODUCT OVERVIEW
The NTA series of miniature surface mounted
DC/DC Converters employ leadframe
technology and transfer moulding techniques
to bring all of the benefits of IC style
packaging to hybrid circuitry. Co-planarity of the
lead positions is based upon IEC 191-6:1990. The
devices are suitable for all applications where
high volume production is envisaged.
Parameter
Conditions
Switching frequency
0312MC, 0315MC
0303MC, 0305MC, 0503MC, 0505MEC
All other variants
Min.
Typ.
100
110
115
Max.
Units
kHz
ABSOLUTE MAXIMUM RATINGS
Short-circuit protection3
Lead temperature 1.5mm from case for 10 seconds
Internal power dissipation
Input voltage VIN, NTA03 types
Input voltage VIN, NTA05 types
Input voltage VIN, NTA12 types
1 second
300°C
700mW
5.5V
7V
15V
1. If components are required in tape and reel format suffix order code code with -R, e.g. NTA0505MC-R.
2. Calculated using MIL-HDBK-217F with nominal input voltage at full load.
3. Supply voltage must be disconnected at the end of the short circuit duration.
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
Technical enquiries - email: [email protected], tel: +44 (0)1908 615232
KDC_NTA.G04 Page 1 of 4
NTA Series
Isolated 1W Dual Output SM DC/DC Converters
OUTPUT CHARACTERISTICS
Parameter
Conditions
Rated Power
Voltage Set Point Accuracy
Line regulation
TA=-40°C to 85°C
See tolerance envelope
High VIN to low VIN
10% load to rated load, 0303MC & 0503MC
10% load to rated load, 5V output types
10% load to rated load, 0309MC
10% load to rated load, 0509MC & 1209MC
10% load to rated load, 0312MC & 0315MC
10% load to rated load, 0512MC & 1212MC
10% load to rated load, 0515MC & 1215MC
BW=DC to 20MHz, 3.3V output types, NTA0305MC & NTA0505MEC
BW=DC to 20MHz, all other 5V output types
BW=DC to 20MHz, 9V output types
BW=DC to 20MHz, 12V output types
BW=DC to 20MHz, 15V output types
Load Regulation1
Ripple and Noise
Min.
Typ.
Max.
Units
1.0
W
1.0
10
10
9.0
6.5
11
6.0
6.0
40
50
35
50
65
1.2
15
12
10
8.0
14
8.5
7.0
80
100
80
110
110
%/%
Typ.
Max.
%
mV p-p
TEMPERATURE CHARACTERISTICS
Parameter
Conditions
Min.
Specification
Storage
All output types
-40
-55
Case temperature rise above
ambient
Cooling
0305MC, 0505MEC, 0312MC, 0315MC
0303MC, 0309MC, 0503MC
0505MC, 1205MC
All other variants
Free air convection
Units
85
125
19
25
46
35
°C
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 NTA 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 NTA 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 NTA 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.
RoHS COMPLIANCE INFORMATION
TEMPERATURE DERATING GRAPH
Output Power (W)
1.5
85°C
1.0
0.5
0
-40
This series is compatible with RoHS soldering systems with
a peak reflow solder temperature of 245ºC and time above
liquidus of 217ºC for 80 seconds. The pin termination finish
on this product series is Gold, plating thickness 0.1 microns
minimum. The series is backward compatible with Sn/Pb
soldering systems.
For further information, please visit www.murata-ps.com/rohs
Safe Operating Area
100
50
0
Ambient Temperature (°C)
150
1. 12V input types have typically 3% less load regulation change.
www.murata-ps.com
Technical enquiries - email: [email protected], tel: +44 (0)1908 615232
KDC_NTA.G04 Page 2 of 4
NTA Series
Isolated 1W Dual Output SM DC/DC Converters
TOLERANCE ENVELOPES
All other types.
Tolerance Envelope - 3.3V output types.
+10%
+9%
oad Lin
Output Voltage
+1%
VNOM
e
+1%
-7%
-7%
-15%
10
75
50
25
Output Load Current (%)
Typical
L
+5%
VNOM
Output Voltage
Typical
L
oad Line
+2.5%
-2.5%
-7.5%
10
100
75
50
25
Output Load Current (%)
100
PACKAGE SPECIFICATIONS
MECHANICAL DIMENSIONS
PIN CONNECTIONS
0.600 (15.24)
Pin
0.400 (10.16)
18
0.441
0.409
(11.20)
(10.40)
0.303
(7.70)
16
14
12
10
NTA0505MC
P
XYYWW
1
3
5
7
0.059(1.50)
0.047(1.20)
10 PINS
9
0.026(0.65)
0.022(0.55)
0.100(2.54)
0.020(0.5)
REFERENCE
PLANE
0.008(0.2)
±5.00 °
S
0.083
(2.10)
0.260 (6.6) 0.250 (6.35)
0.234 (5.95) 0.230 (5.85)
DETAIL A
Function
1
-VIN
3
+VIN
5
NA
7
OV
9
-VOUT
10
NA
12
+VOUT
14
NA
16
NA
18
NA
S SEATING PLANE
0.010 (0.25)
0.004 (0.10)
NA - Not available for electrical connection.
10 PINS
0.004 (0.1) S
0.11 (2.79) MAX
All dimensions in inches ±0.01 (mm ±0.25mm). All pins on a 0.1 (2.54) pitch.
0.074
(1.875) MAX
0.012 (0.30)
0.008 (0.20)
Weight: 1.53g
TUBE OUTLINE DIMENSIONS
RECOMMENDED FOOTPRINT DETAILS
œœ
.*/
Unless otherwise stated all dimensions in inches ±0.02 (mm±0.5).
Tube length : 18.70±0.07 (475±2.0).
www.murata-ps.com
Tube Quantity : 25
Technical enquiries - email: [email protected], tel: +44 (0)1908 615232
KDC_NTA.G04 Page 3 of 4
NTA Series
Isolated 1W Dual Output SM DC/DC Converters
TAPE & REEL SPECIFICATIONS
REEL OUTLINE DIMENSIONS
TAPE OUTLINE DIMENSIONS
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REEL PACKAGING DETAILS
XYYWW
NTA0505MC
XYYWW
NTA0505MC
XYYWW
NTA0505MC
Product Orientation
Pin 1, located nearest to
carrier drive sprocket.
TRAILER SECTION
6.30 (160) MIN
GOODS ENCLOSURE
SECTION
CARRIER TAPE START
3.94 (100) MIN
LEADER SECTION
15.75 (400) MIN
Reel Quantity : 500
USA:
Tucson (Az), Tel: (800) 547 2537, email: [email protected]
Canada: Toronto, Tel: (866) 740 1232, email: [email protected]
Murata Power Solutions, Inc.
11 Cabot Boulevard, Mansfield, MA 02048-1151 U.S.A.
Tel: (508) 339-3000 (800) 233-2765 Fax: (508) 339-6356
www.murata-ps.com email: [email protected] ISO 9001 REGISTERED
Murata Power Solutions, Inc. makes no representation that the use of its products in the circuits described herein, or the use of other
technical information contained herein, will not infringe upon existing or future patent rights. The descriptions contained herein do not imply
the granting of licenses to make, use, or sell equipment constructed in accordance therewith. Specifications are subject to change without
notice.
© 2008 Murata Power Solutions, Inc.
www.murata-ps.com
UK:
Milton Keynes, Tel: +44 (0)1908 615232, email: [email protected]
France:
Montigny Le Bretonneux, Tel: +33 (0)1 34 60 01 01, email: [email protected]
Germany: München, Tel: +49 (0)89-544334-0, email: [email protected]
Japan:
Tokyo, Tel: 3-3779-1031, email: [email protected]
Osaka, Tel: 6-6354-2025, email: [email protected]
Website: www.murata-ps.jp
China:
Shanghai, Tel: +86 215 027 3678, email: [email protected]
Guangzhou, Tel: +86 208 221 8066, email: [email protected]
Technical enquiries - email: [email protected], tel: +44 (0)1908 615232
KDC_NTA.G04 Page 4 of 4