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SC441AEVB 数据表(PDF) 5 Page - Semtech Corporation

部件名 SC441AEVB
功能描述  High Efficiency Integrated Driver for 4-Strings of 150mA LEDs
PDF  20 Pages
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制造商  SEMTECH [Semtech Corporation]
网页  http://www.semtech.com
标志 SEMTECH - Semtech Corporation

SC441AEVB 数据表(HTML) 5 Page - Semtech Corporation

  SC441AEVB Datasheet HTML 1Page - Semtech Corporation SC441AEVB Datasheet HTML 2Page - Semtech Corporation SC441AEVB Datasheet HTML 3Page - Semtech Corporation SC441AEVB Datasheet HTML 4Page - Semtech Corporation SC441AEVB Datasheet HTML 5Page - Semtech Corporation SC441AEVB Datasheet HTML 6Page - Semtech Corporation SC441AEVB Datasheet HTML 7Page - Semtech Corporation SC441AEVB Datasheet HTML 8Page - Semtech Corporation SC441AEVB Datasheet HTML 9Page - Semtech Corporation Next Button
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SC441A
5
© 2009 Semtech Corporation
www.semtech.com
Typical Characteristics
149.7
149.8
149.9
150.0
150.1
150.2
150.3
150.4
150.5
150.6
150.7
-40
25
105
2.360
2.365
2.370
2.375
2.380
2.385
2.390
2.395
2.400
2.405
2.410
-40
25
105
0.75
0.77
0.79
0.81
0.83
0.85
0.87
0.89
0.91
0.93
-40
25
105
135
140
145
150
155
160
165
170
175
-40
25
105
Temperature (oC)
UVLO Threshold vs. Temperature
Temperature (oC)
UVLO Hysteresis vs. Temperature
VIN Quiescent Supply Current
vs. Temperature
Temperature (oC)
Temperature (oC)
COMP SINK / SOURCE Current
vs. Temperature
Temperature (oC)
SS SINK / SOURCE Current
vs. Temperature
SW Saturation Voltage at A
vs. Temperature
Temperature (oC)
VOUT Pull Down Current Source
vs. Temperature
Temperature (oC)
Temperature (oC)
VIN = 4.5V
VIN = 21V
VOUT = VIN + 3V
LED Current Source SCP Threshold
vs. Temperature
Average LED Current Source Setting
vs. Temperature
VIN = 12V
R
IOSET = 1.78kW
VIN = 12V
Temperature (oC)
4.29
4.30
4.31
4.32
4.33
4.34
4.35
4.36
-40
25
105
237
238
239
240
241
242
243
244
245
246
247
-40
25
105
2.50
2.60
2.70
2.80
2.90
3.00
3.10
3.20
-40
25
105
VIN = 4.5V
VIN = 21V
VIN = 12V
SSSINK/SOURCE
0.0
1.0
2.0
3.0
4.0
5.0
6.0
-40
25
105
SOURCE
SINK
VIN = 12V
4.00
4.50
5.00
5.50
6.00
6.50
7.00
7.50
-40
25
105
CompSINKSOURCE
SOURCE
SINK
SOURCE
SINK
VIN = 12V



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