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W – SMD-1W Series
SENSITRON
SEMICONDUCTOR
TECHNICAL DATA
DATA SHEET 1113, REV. -
DC-DC Converters
Wide Input (2:1), 1000V Isolation, Regulated
FEATURES:
Isolation Voltage (Vin & Vo): 1000Vdc
Isolation Voltage (Vo1 &Vo2):1000Vdc
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:
1G
W
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)
> 580,000 hours (Operating Temp. 25
°
C)
W-SMD-1W Series Input Characteristics
Part Number
Nominal Input Voltage
Input Voltage Range
Maximum Input Voltage*
W24XXGT1
W48XXGT1
24Vdc
48Vdc
18~36Vdc
36~72Vdc
40Vdc
80Vdc
*
Voltage above this value
may cause permanent damage to the device.
W-SMD-1W Series Output Characteristics
Parameter
MIN
TYP
MAX
Units
Output Power
Output Voltage Accuracy
-
-
-
1
W
%
±
1
±
3
Efficiency at 25% Load
60
65
70
%
Efficiency at 100% Load
Voltage Regulation
65
-
75
0.1
83
0.2
%
%
Load Regulation (Vo1)
-
0.2
0.5
%
Load Regulation (Vo2)
Temperature Coefficient
-
-
3
-
5
%
0.02
%/
°
C
Ripple
-
10
20
MVp-p
Noise
-
50
100
MVp-p
kHz
Switching Frequency at 100% Load
80
-
200
Switching Frequency at 25% Load
250
-
550
kHz
1. All specifications at TA=25
°
C, 75% of the humidity, Nominal input voltage, full output load unless otherwise
specified.
2. Soldering for 10 seconds at 1.5mm away from the edge.