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NKE1212S Datasheet(PDF) 1 Page - C&D Technologies

Part # NKE1212S
Description  Isolated Sub-Miniature 1W Single Output DC-DC Converters
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Manufacturer  CANDD [C&D Technologies]
Direct Link  http://www.cdpowerelectronics.com
Logo CANDD - C&D Technologies

NKE1212S Datasheet(HTML) 1 Page - C&D Technologies

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NKE SERIES
Isolated Sub-Miniature 1W Single Output DC-DC Converters
www.dc-dc.com
SELECTION GUIDE
FEATURES
s
New Sub-Miniature SIP & DIP Styles
s
3kVDC Isolation
s
Efficiency to 81%
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
3.3V, 5V & 12V Input
s
3.3V, 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 2.4 Million hours
s
Custom Solutions Available
s
No Electrolytic or Tantalum
Capacitors
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.
Nominal
Input
Input
Output
Output
Current at
Isolation
Voltage
Voltage
Current
Rated Load Efficiency
Capacitance MTTF1
OrderCode
(V)
(V)
(mA)
(mA)
(%)
(pF)
kHrs
NKE0303S
3.3
3.3
303
400
75
30
1234
NKE0305S
3.3
5
200
400
76
35
632
NKE0503S
5
3.3
303
270
75
40
619
NKE0505SE
5
5
200
250
78
34
419
NKE0505S
5
5
200
289
69
28
2414
NKE0509S
5
9
111
266
75
29
1173
NKE0512S
5
12
83
260
77
30
633
NKE0515S
5
15
66
256
78
32
360
NKE1205S
12
5
200
117
71
35
620
NKE1209S
12
9
111
107
78
50
488
NKE1212S
12
12
83
105
79
57
360
NKE1215S
12
15
66
103
81
60
252
† For DIP package style replace suffix S with D, eg NKE0303D.
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.
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.
Parameter
Conditions
MIN
TYP
MAX
Units
Continuous operation, 3.3V input types 2.97
3.3
3.63
Voltage Range
Continuous operation, 5V input types
4.5
5.0
5.5
Continuous operation, 12V input types 10.8 12.0
13.2
V
Reflected Ripple Current
40
60
mA p-p
Short circuit duration 4
1 second
Internal power dissipation
530mW
Lead temperature 1.5mm from case for 10 seconds
300°C
Input voltage Vin NKE03 types
5.5V
Input voltage Vin NKE05 types
7V
Input voltage Vin NKE12 types
15V
INPUT CHARACTERISTICS
ABSOLUTE MAXIMUM RATINGS
Parameter
Conditions
TYP
MAX
Units
Rated Power2
T
A = –40°C to 85°C
1
W
Voltage Set Point
Accuracy
See tolerance envelope
Line regulation
High V
IN to low V IN
1.0
1.2
%/%
10% load to rated load, 3.3V output types
10
15
10% load to rated load, 5V output types
12
15
Load Regulation3
10% load to rated load, 9V output types
7.5
10
%
10% load to rated load, 12V output types
6.5
9.5
10% load to rated load, 15V output types
6.0
8.5
BW=DC to 20MHz, 3.3V output types
40
80
BW=DC to 20MHz, 5V output types
77
100
Ripple and Noise BW=DC to 20MHz, 9V output types
43
90
mV p-p
BW=DC to 20MHz, 12V output types
35
65
BW=DC to 20MHz, 15V output types
32
55
OUTPUT CHARACTERISTICS


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