파트넘버.co.kr NKE0505DC 데이터시트 PDF


NKE0505DC 반도체 회로 부품 판매점

Isolated Sub-Miniature 1W Single Output DC/DC Converters



Murata 로고
Murata
NKE0505DC 데이터시트, 핀배열, 회로
www.murata-ps.com
NKE Series
Isolated Sub-Miniature 1W Single Output DC/DC Converters
FEATURES
„RoHS Compliant
„Sub-Miniature SIP & DIP Styles
„3kVDC Isolation
„UL Recognised
„Wide Temperature performance at full
1 Watt load, –40°C to 85°C
„Increased Power Density to 2.09W/cm3
„UL 94V-0 Package Material
„Footprint at 0.69cm2
„Industry Standard Pinout
„3.3V, 5V & 12V Input
„3.3V, 5V, 9V, 12V and 15V Output
„Internal SMD Construction
„Fully Encapsulated with Toroidal
Magnetics
„MTTF up to 2.4 Million hours
„Custom Solutions Available
„No Electrolytic or Tantalum Capacitors
PRODUCT OVERVIEW
The NKE sub-miniature series of DC/DC Converters
is particularly suited to isolating and/or converting
DC power rails. A smaller package size, improved
efficiency, lower output ripple and 3kVDC isolation
capability through state of the art packaging and
improved technology. The galvanic isolation allows
the device to be configured to provide an isolated
negative rail in systems where only positive rails
exist. The wide temperature range guarantees
startup from –40°C and full 1 watt output at 85°C.
SELECTION GUIDE
Order Code
NKE0303DC
NKE0305DC
NKE0309DC
NKE0303SC
NKE0305SC
NKE0309SC
NKE0503DC
NKE0505DC
NKE0505DEC
NKE0509DC
NKE0512DC
NKE0515DC
NKE0503SC
NKE0505SC
NKE0505SEC
NKE0509SC
NKE0512SC
NKE0515SC
NKE1205DC
NKE1209DC
NKE1212DC
NKE1215DC
NKE1205SC
NKE1209SC
NKE1212SC
NKE1215SC
Nominal
Input
Voltage
V
3.3
3.3
3.3
3.3
3.3
3.3
5
5
5
5
5
5
5
5
5
5
5
5
12
12
12
12
12
12
12
12
Output
Voltage
V
3.3
5
9
3.3
5
9
3.3
5
5
9
12
15
3.3
5
5
9
12
15
5
9
12
15
5
9
12
15
Output
Current
Input
Current at
Rated Load
mA mA
303 400
200 400
111 403
303 400
200 400
111 403
303 270
200 289
200 250
111 266
83 260
66 256
303 270
200 289
200 250
111 266
83 260
66 256
200 117
111 107
83 105
66 103
200 117
111 107
83 105
66 103
Efficiency
Isolation
Capacitance
MTTF1
%
Min. Typ.
pF
kHrs
68 72 30 1234
72 75 35 632
71 74 30 1204
68 72 30 1234
72 75 35 632
71 74 30 1204
70 74 40 619
66 69 28 2414
73 77 34 419
72 75 29 1173
73 78 30 633
74 78 32 360
70 74 40 619
66 69 28 2414
73 77 34 419
72 75 29 1173
73 78 30 633
74 78 32 360
68 72 35 620
72 78 50 488
73 79 57 360
76 81 60 252
68 72 35 620
72 78 50 488
73 79 57 360
76 81 60 252
Package
Style
DIP
SIP
DIP
SIP
DIP
SIP
NKE0505SEC/NKE0505DEC offers higher efficiency than NKE0505SC/NKE0505DC but over a narrower operating temperature range.
See temperature characteristics graph.
INPUT CHARACTERISTICS
Parameter
Conditions
Continuous operation, 3.3V input types
Voltage range
Continuous operation, 5V input types
Continuous operation, 12V input types
Reflected ripple current 3.3V input types
Min. Typ. Max.
2.97 3.3 3.63
4.5 5.0 5.5
10.8 12.0 13.2
40 60
ABSOLUTE MAXIMUM RATINGS
Lead temperature 1.5mm from case for 10 seconds
Internal power dissipation
Input voltage VIN, NKE03 types
Input voltage VIN, NKE05 types
Input voltage VIN, NKE12 types
260°C
530mW
5.5V
7V
15V
1. Calculated using MIL-HDBK-217F with nominal input voltage at full load.
All specifications typical at TA=25°C, nominal input voltage and rated output current unless otherwise specified.
Units
V
mA p-p
For full details go to
www.murata-ps.com/rohs
www.murata-ps.com/support
KDC_NKE.K06 Page 1 of 7


NKE0505DC 데이터시트, 핀배열, 회로
NKE Series
Isolated Sub-Miniature 1W Single Output DC/DC Converters
OUTPUT CHARACTERISTICS
Parameter
Rated Power
Voltage Set Point Accuracy
Line regulation
Load Regulation1
Ripple and Noise
Conditions
TA=-40°C to 120°C, see derating graphs
See tolerance envelope
High VIN to low VIN
10% load to rated load, 3.3V output types & 0309
10% load to rated load, 5V output types
10% load to rated load, 9V output types
10% load to rated load, 12V output types
10% load to rated load, 15V output types
BW=DC to 20MHz, 3.3V output types & 0305, 0505SEC, 0505DEC
BW=DC to 20MHz, 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
Min. Typ. Max. Units
1.0 W
1.0 1.2 %/%
10 15
12 15
7.5 10
%
6.5 9.5
6.0 8.5
40 80
77 100
43 90 mV p-p
35 65
32 55
ISOLATION CHARACTERISTICS
Parameter
Conditions
Isolation test voltage
Flash tested for 1 second
Resistance
Viso= 1000VDC
Min. Typ. Max. Units
3000 VDC
10 GΩ
GENERAL CHARACTERISTICS
Parameter
Conditions
Switching frequency
All output types
Min. Typ. Max. Units
115 kHz
TEMPERATURE CHARACTERISTICS
Parameter
Conditions
Specification
All output types
Storage
Case temperature rise above
0505D/S, 1205D/S
ambient
All other output types
Cooling
Free air convection
Min. Typ. Max. Units
-40 85
-50 130
°C
41
32
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 NKE series of dc/dc converters are all 100% production tested at their stated isolation voltage. This is 3000V DC for 1 second.
A question commonly asked is, “What is the continuous voltage that can be applied across the part in normal operation?”
The NKE series has been recognized 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 sys-
tem. 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 materi-
als, construction and environment. While manufactured parts can 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.
SAFETY APPROVAL
The NKE series has been recognised by Underwriters Laboratory (UL) to UL 60950 for functional insulation in a maximum ambient temperature of 85ºC and/or case temperature
limit of 130ºC. Case temperature measured on the face opposite the pins. File number E151252 applies.
1. 12V input types have typically 3% less load regulation.
www.murata-ps.com/support
KDC_NKE.K06 Page 2 of 7




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