NKE0303S 데이터 시트보기 (PDF) - C and D TECHNOLOGIES
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NKE0303S Datasheet PDF : 2 Pages
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NKE SERIES
Isolated Sub-Miniature 1W Single Output DC-DC Converters
FEATURES
s New Sub-Miniature SIP Package Style
s 3kVDC Isolation
s Efficiency to 80%
s Wide Temperature performance at
full 1 Watt load, –40°C to 85°C
s Increased Power Density to
1.95W/cm3
s UL 94V-0 Package Material
s Footprint 0.69cm2
s Single Isolated Output
s Industry Standard Pinout
s 5V & 12V Input
s 5V, 9V, 12V and 15V Output
s No Heatsink Required
s Internal SMD Construction
s Fully Encapsulated with Toroidal
Magnetics
s No External Components Required
s MTTF up to 2.9 Million hours
s Custom Solutions Available
s No Electrolytic or Tantalum
Capacitors
SELECTION GUIDE
Nominal
Input Output
Voltage Voltage
Output
Current
Input
Current at
Rated Load Efficiency
Isolation
Capacitance MTTF1
Order Code (V)
(V)
(mA)
(mA)
(%)
(pF)
kHrs
NKE0505S
5
5
200
289
69
NKE0509S
5
9
111
260
77
NKE0512S
5
12
83
256
78
NKE0515S
5
15
66
250
80
NKE1205S
12
5
200
117
71
NKE1209S
12
9
111
108
77
NKE1212S
12
12
83
107
78
30
2414
37
1173
33
633
40
360
33
620
48
488
55
360
NKE1215S
12
15
66
104
80
52
252
i When operated without additional external load capacitance, the output voltage of the devices is guaranteed
to be within 95% of its steady state value within 100ms after the input voltage has reached 95% of its steady
state value, irrespective of the rise time of the input voltage.
ii 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.
INPUT CHARACTERISTICS
Parameter
Conditions
MIN TYP MAX Units
Voltage Range
Continuous operation, 5V input types 4.5 5 5.5
Continuous operation, 12V input types 10.8 12 13.2 V
Reflected Ripple Current
26 48 mA p-p
OUTPUT CHARACTERISTICS
Parameter
Rated Power2
Voltage Set Point
Accuracy
Line regulation
Load Regulation3
Ripple and Noise
Conditions
TA = –40°C to 85°C
See tolerance envelope
High VIN to low VIN
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, 5V output types
BW=DC to 20MHz, 9V output types
BW=DC to 20MHz, 12V output types
BW=DC to 20MHz, 15V output types
TYP MAX Units
1
W
1.0 1.2 %/%
14 15
9
10
%
7.5 9.5
7.0 8.5
85 110
60 75 mV p-p
50 65
40 55
DESCRIPTION
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.
ABSOLUTE MAXIMUM RATINGS
Short circuit duration 4
Internal power dissipation
Lead temperature 1.5mm from case for 10 seconds
Input voltage Vin, NKE05 types
Input voltage Vin, NKE12 types
1 second
450mW
300°C
7V
15V
1 Calculated using MIL-HDBK-217F with nominal input voltage at full load.
2 See derating curve.
3 12V input types have typically 3% less load regulation change.
4 Supply voltage must be discontinued 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.
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