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W – SMD-2/3W Series
SENSITRON
SEMICONDUCTOR
TECHNICAL DATA
DATA SHEET 1238, REV. -
DC-DC Converters
Wide Input (2:1), 1000V Isolation, Regulated, Single Output
FEATURES:
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
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)
> 1,000,000 hours (Operating Temp. 25
°
C)
W-SMD-2/3W Single Output Series Input Characteristics
Part Number
Nominal Input Voltage
Input Voltage Range
Maximum Input Voltage*
W05XXHT2
5Vdc
4.5~9Vdc
11Vdc
W12XXHT3
W24XXHT3
12Vdc
24Vdc
9~18Vdc
18~36Vdc
22Vdc
40Vdc
W48XXHT3
48Vdc
36~72Vdc
80Vdc
*
Voltage above this value
may cause permanent damage to the device.
W-SMD-2/3W Single Output Series Output Characteristics
Parameter
Output Power
MIN
TYP
MAX
3
Units
W
Output Voltage Accuracy
±
1
±
3
%
Efficiency at 25% Load
Efficiency at 100% Load
60
65
65
75
70
85
%
%
Voltage Regulation
0.1
0.2
%
Load Regulation
Temperature Coefficient
0.2
0.5
0.02
%
%/
°
C
Ripple
10
20
mVp-p
Noise
50
100
mVp-p
kHz
kHz
Switching Frequency at 100% Load
Switching Frequency at 25% Load
80
250
200
550
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.