DN_KW.pdf

DC-DC Converter UNIT
KW Series ( 15 W WIDE INPUT RANGE DC-DC CONVERTER )
FEATURES
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15W DIL PACKAGE
9-18V,18-36V,36-72V WIDE INPUT
RANGE
SHORT CIRCUIT PROTECTION
LOW COST
NO EXTERNAL COMPONENTS
REQUIRED
REGULATED OUTPUT
TYPICAL EFFICIENCY 80%
100% BURNED IN
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INDUSTRY STANDARD PACKAGE
MTBF > 700,000 HOURS
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OUTPUT SPECIFICATIONS
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Voltage Setpoint Accuracy
+/-3% max
Temperature Coefficient
+/-0.03%/ OC
Ripple & Noise (20MHz
1
Load Regulation
Input Voltage Range
Input Filter
Pi Network
+/-0.2% max
2
Short Circuit Protection
+/-0.2% max
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Continuous
Efficiency
GENERAL SPECIFICATIONS
70% min
3
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ENVIRONMENTAL SPECIFICATIONS
Operating Temperature
-25 OC to +71 OC
Storage Temperature
-55 OC to +100 OC
Cooling
Free-Air Convection
ALL SPECIFICATIONS TYPICAL AT NOMINAL
LINE,
FULL
LOAD
2:1 INPUT RANGE
100mVp-p max
BW)
Line Regulation
INPUT SPECIFICATIONS
,
AND
25
O
C
Isolation Voltage
1000 VDC min
Isolation Resistance
9
10 ohms min
Switching Frequency
MTBF
Weight
200 KHz min
700,000 Hours
60.0g Typ
Case Material
Six-Side Shielded Case
Case Size
50.8mm*50.8mm*11mm
UNLESS
OTHERWISE NOTED.
1
High Line to Low Line.
2
Load Regulation is for output load current change from 10% to 100%.
3
For 10 seconds
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Page: 1 / 6
Version: 4-Oct-02
DC-DC Converter UNIT
KW Series ( 15 W WIDE INPUT RANGE DC-DC CONVERTER )
z SELECTION GUIDE(1)
2:1 15W OUTPUT
MODEL
NUMBER
INPUT
OUTPUT
OUTPUT
VOLTAGE
VOLTAGE
CURRENT
(VDC)
(VDC)
(mA)
INPUT4
CURRENT(mA)
FULL
NO
LOAD
LOAD
EFF
(%)
5
ISOLATION
(VDC)
KWS-1205
9-18
5
3000
1623
40
77
1000
KWS-1209
9-18
9
1670
1580
30
79
1000
KWS-1212
9-18
12
1250
1563
40
80
1000
KWS-1215
9-18
15
1000
1545
38
81
1000
KWS-1224
9-18
24
625
1543
38
81
1000
KWD-1205
9-18
+/-5
+/-1500
1623
40
77
1000
KWD-1212
9-18
+/-12
+/-625
1563
40
80
1000
KWD-1215
9-18
+/-15
+/-500
1525
38
82
1000
KWD-1224
9-18
+/-24
+/-313
1510
38
83
1000
KWS-2405
18-36
5
3000
780
20
80
1000
KWS-2412
18-36
12
1250
762
18
82
1000
KWS-2415
18-36
15
1000
762
18
82
1000
KWS-2424
18-36
24
625
753
18
83
1000
KWD-2405
18-36
+/-5
+/-1500
750
20
83
1000
KWD-2412
18-36
+/-12
+/-625
762
18
82
1000
KWD-2415
18-36
+/-15
+/-500
753
18
83
1000
KWD-2424
18-36
+/-24
+/-313
750
20
83
1000
KWS-4805
36-72
5
3000
396
10
79
1000
KWS-4812
36-72
12
1250
381
9
82
1000
KWS-4815
36-72
15
1000
381
9
82
1000
KWS-4824
36-72
24
625
375
9
83
1000
KWD-4805
36-72
+/-5
+/-1500
375
10
83
1000
KWD-4812
36-72
+/-12
+/-625
381
9
82
1000
KWD-4815
36-72
+/-15
+/-500
381
9
82
1000
KWD-4824
36-72
+/-24
+/-313
375
9
83
1000
Note: Other input to output voltages may be available. Please contact factory.
4
NOMINAL INPUT VOLTAGE.
5
NOMINAL INPUT VOLTAGE,FULL LOAD.
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Page: 2 / 6
Version: 4-Oct-02
DC-DC Converter UNIT
KW Series ( 15 W WIDE INPUT RANGE DC-DC CONVERTER )
z SELECTION GUIDE(2)
4:1 15W OUTPUT
MODEL
NUMBER
INPUT
OUTPUT
OUTPUT
VOLTAGE
VOLTAGE
CURRENT
(VDC)
(VDC)
(Ma)
INPUT6
CURRENT(mA)
EFF
ISOLATION
FULL
NO
(%)7
(VDC)
LOAD
LOAD
KWS-1205T
9-36
5
3000
1623
40
77
1000
KWS-1209T
9-36
9
1670
1600
30
78
1000
KWS-1212T
9-36
12
1250
1562
40
80
1000
KWS-1215T
9-36
15
1000
1562
38
80
1000
KWS-1224T
9-36
24
625
1562
28
80
1000
KWD-1205T
9-36
+/-5
+/-1500
1623
40
77
1000
KWD-1212T
9-36
+/-12
+/-625
1562
40
80
1000
KWD-1215T
9-36
+/-15
+/-500
1562
38
80
1000
KWS-2405T
18-72
5
3000
791
20
79
1000
KWS-2412T
18-72
12
1250
771
18
81
1000
KWS-2415T
18-72
15
1000
762
18
82
1000
KWD-2405T
18-72
+/-5
+/-1500
791
20
79
1000
KWD-2412T
18-72
+/-12
+/-625
771
18
81
1000
KWD-2415T
18-72
+/-15
+/-500
762
18
82
1000
Note: Other input to output voltages may be available. Please contact factory.
6
NOMINAL INPUT VOLTAGE.
7
NOMINAL INPUT VOLTAGE,FULL LOAD.
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Page: 3 / 6
Version: 4-Oct-02
DC-DC Converter UNIT
KW Series ( 15 W WIDE INPUT RANGE DC-DC CONVERTER )
z SIMPLIFIED SCHEMATIC
SINGLE OUTPUT
+Vin
DUAL OUTPUT
+Vout
+Vin
+Vout
Common
-Vout
-Vout
-Vin
-Vin
PWM
CONTROLLER
ISOLATION
REFERENCE
&
ERROR AMP
PWM
CONTROLLER
REFERENCE
&
ERROR AMP
ISOLATION
z MECHANICAL DIMENSIONS
PIN
SINGLE
DUAL
1
+Vin
+Vin
2
-Vin
-Vin
3
+Vout
+Vout
4
NO PIN
Common
5
-Vout
-Vout
z RECOMMENDED FOOTPRINT DETAILS
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Page: 4 / 6
Version: 4-Oct-02
DC-DC Converter UNIT
KW Series ( 15 W WIDE INPUT RANGE DC-DC CONVERTER )
z TYPICAL APPLICATIONS
SINGLE OUTPUT
INPUT
DUAL OUTPUT
OUTPUT
+Vin
INPUT
OUTPUT
+Vout
+Vin
+Vout
LOAD1
LOAD
DC-DC
CONVERTER
-Vin
Common
DC-DC
CONVERTER
-Vin
-Vout
LOAD2
-Vout
OUTPUT POWER(W)
z TEMPERATURE DERATING
15.0
12.0
9.0
SAFE
6.0
OPERATING
3.0
AREA
0.0
-25
0
25
50
70
90
TA(degree C)
KW SERIES APPLICATION NOTES:
EXTERNAL CAPACITANCE REQUIREMENTS:
No external capacitance is required for operation of the KW series.
To meet the reflected ripple requirements of the converter, an input impedance of less than 0.5 ohm
from DC to 220KHz is required.
External output capacitance is not required for operation, however it is recommended that 10uF
tantalum and 0.1uF ceramic capacitance be selected for reduced system noise.
Additional output capacitance may be added for increased filtering, but should not exceed 220uF.
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Page: 5 / 6
Version: 4-Oct-02
DC-DC Converter UNIT
KW Series ( 15 W WIDE INPUT RANGE DC-DC CONVERTER )
Negative Outputs:
A negative output voltage may be obtained by connecting the +OUT to circuit ground and
connecting –OUT as the negative output.
FOR MORE INFORMATION CALL:
Power Systems – The Power Solution
Ilsfeld-Auenstein ( Germany ) Dörnet 8
Tel: + 49 / 70 62 / 67 59 – 6
E-mail: [email protected]
Home Page: www.Power-Systems.de
www.Power-Systems.de
Page: 6 / 6
Fax: + 49 / 70 62 / 67 59 -80
Version: 4-Oct-02