SENSITRON
SEMICONDUCTOR
TECHNICAL DATA
DATA SHEET 2054, REV. -
W – 1W/2W Series
DC-DC Converters
Wide Input (2:1), 1000V Isolation, Regulated, Dual Independent Output
FEATURES:
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Isolation Voltage:
Isolation Resistance (1):
Short-Circuit Duration:
Case Temperature Rise:
Cooling Method:
Operating Temp.:
Storage Temp.:
Humidity:
Soldering Temp. (2):
Case Material:
Mean Time Before Failure:
1000Vdc
1000MΩ
Continuous
Max. 25°C, Typ. 15°C
Free-Air Cooling
-40°C ~ + 85°C
-50°C ~ + 125°C
≤
95%
300°C
Non-Flammable Material (UL94-V0)
> 1,090,000 hours (Operating Temp. 25°C)
W-1W/2W Dual Independent Output Series Input Characteristics
Part Number
W05XXXXKS1/2
W12XXXXKS1/2
W24XXXXKS1/2
Nominal Input Voltage
5Vdc
12Vdc
24Vdc
Input Voltage Range
4.5~9Vdc
9~18Vdc
18~36Vdc
Maximum Input Voltage*
10Vdc
20Vdc
40Vdc
80Vdc
W48XXXXKS1/2
48Vdc
36~72Vdc
*
Voltage above this value may cause permanent damage to the device.
W-1W/2W Dual Independent Output Characteristics
Parameter
1W Output Power
2W Output Power
Vo1 Output Voltage Accuracy
Vo2 Output Voltage Accuracy
Efficiency at 25% Load
Efficiency at 100% Load
Voltage Regulation
Vo1 Load Regulation
Vo2 Load Regulation
Temperature Coefficient
Ripple
Noise
Switching Frequency at 100% Load
Switching Frequency at 25% Load
1.
2.
80
250
10
50
MIN
0.25
0.5
TYP
MAX
1
2
Units
W
W
%
%
%
%
±
0.5
±
1
65
75
0.1
0.2
3
±
2
±
3
0.2
0.5
5
0.02
20
100
200
550
%
%
%
%/°C
mVp-p
mVp-p
kHz
kHz
All specifications at TA=25°C, 75% of the humidity, Nominal input voltage, full output load unless otherwise
specified.
Soldering for 10 seconds at 1.5mm away from the edge.
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221 West Industry Court
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Deer Park, NY 11729-4681
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Phone (631) 586-7600
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Fax (631) 242-9798
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World Wide Web Site - http://www.sensitron.com
•
E-Mail Address - sales@sensitron.com
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SENSITRON
SEMICONDUCTOR
TECHNICAL DATA
DATA SHEET 2054, REV. -
W-1W/2W Dual Independent Output
Part Number List
Input
Output
Power
Dual-1W
W050505KS1
5Vdc
W050909KS1
W051212KS1
W051515KS1
5V/100m A
12Vdc
9V/55m A
12V/42m A
15V/33m A
5V/200m A
24Vdc
9V/110m A
12V/84m A
15V/66m A
1.00W
1.00W
1.00W
1.00W
2.00W
2.00W
2.00W
2.00W
W120505KS1
W120909KS1
W121212KS1
W121515KS1
W240505KS1
W240909KS1
W241212KS1
W241515KS1
W480505KS1
48Vdc
W480909KS1
W481212KS1
W481515KS1
W – 1W/2W Series
Dual-2W
-
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W240505KS2
W240909KS2
W241212KS2
W241515KS2
W480505KS2
W480909KS2
W481212KS2
W481515KS2
Mechanical Dimension: in inches / (mm) & Pin Configuration
WxxyyyyKS1/2 PACKAGE DIMENTIONS
Pin
PIN CONFIGURATION
Function
WxxyyyyKS1/2
1
2
3
5
6
7
GND
Vin
CTRL*
NC
+Vo1
0V1
CS
0V2
+Vo2
All dimensions: mm/inch
Precision: Case
±
0.5 (± 0.02in)
Precision: Pin
±
0.25 (± 0.01in)
8
9
10
*CTRL
Low or Open
High (TTL) Input current 1~5mA
DC/DC Converter Output
ON (Normal Operation)
OFF
•
221 West Industry Court
•
Deer Park, NY 11729-4681
•
Phone (631) 586-7600
•
Fax (631) 242-9798
•
•
World Wide Web Site - http://www.sensitron.com
•
E-Mail Address - sales@sensitron.com
•
SENSITRON
SEMICONDUCTOR
TECHNICAL DATA
DISCLAIMER:
1- The information given herein, including the specifications and dimensions, is subject to change without prior notice to improve product
characteristics. Before ordering, purchasers are advised to contact the Sensitron Semiconductor sales department for the latest version
of the datasheet(s).
2- In cases where extremely high reliability is required (such as use in nuclear power control, aerospace and aviation, traffic equipment,
medical equipment, and safety equipment), safety should be ensured by using semiconductor devices that feature assured safety or by
means of users’ fail-safe precautions or other arrangement.
3- In no event shall Sensitron Semiconductor be liable for any damages that may result from an accident or any other cause during
operation of the user’s units according to the datasheet(s). Sensitron Semiconductor assumes no responsibility for any intellectual
property claims or any other problems that may result from applications of information, products or circuits described in the datasheets.
4- In no event shall Sensitron Semiconductor be liable for any failure in a semiconductor device or any secondary damage resulting from
use at a value exceeding the absolute maximum rating.
5- No license is granted by the datasheet(s) under any patents or other rights of any third party or Sensitron Semiconductor.
6- The datasheet(s) may not be reproduced or duplicated, in any form, in whole or part, without the expressed written permission of
Sensitron Semiconductor.
7- The products (technologies) described in the datasheet(s) are not to be provided to any party whose purpose in their application will
hinder maintenance of international peace and safety nor are they to be applied to that purpose by their direct purchasers or any third
party. When exporting these products (technologies), the necessary procedures are to be taken in accordance with related laws and
regulations.
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221 West Industry Court
Deer Park, NY 11729-4681
(631) 586-7600 FAX (631) 242-9798
•
•
World Wide Web - http://www.sensitron.com
•
E-Mail Address - sales@sensitron.com
•