SENSITRON
SEMICONDUCTOR
TECHNICAL DATA
DATA SHEET 1113, REV. -
W – SMD-1W Series
DC-DC Converters
Wide Input (2:1), 1000V Isolation, Regulated
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:
1500Vdc
1000MΩ
Continuous
Max. 25°C, Typ. 15°C
Free-Air Cooling
-40°C ~ + 70°C
-40°C ~ + 125°C
≤
95%
300°C
Non-Flammable Material (UL94-V0)
> 1,000,000 hours (Operating Temp. 25°C)
W-SMD-1W Series Input Characteristics
Part Number
W12XXH/GT1
W24XXH/GT1
Nominal Input Voltage
12Vdc
24Vdc
Input Voltage Range
9~18Vdc
18~36Vdc
Maximum Input Voltage*
18Vdc
36Vdc
75Vdc
W48XXH/GT1
48Vdc
36~72Vdc
*
Voltage above this value may cause permanent damage to the device.
W-SMD-1W Series Output Characteristics
Parameter
Output Power
Output Voltage Accuracy
Voltage Regulation
Load Regulation
Temperature Coefficient
Ripple
Noise
Switching Frequency at 100% Load
Switching Frequency at 25% Load
1.
2.
80
250
±
1
0.1
0.3
±
0.01
15
80
MIN
TYP
MAX
1
±
3
0.3
1.0
±
0.02
45
250
200
550
Units
W
%
%
%
%/°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
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E-Mail Address - sales@sensitron.com
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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
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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
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•
World Wide Web - http://www.sensitron.com
•
E-Mail Address - sales@sensitron.com
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