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SC440AEVB Datasheet(PDF) 5 Page - Semtech Corporation

Part # SC440AEVB
Description  High Efficiency Integrated Driver for 6-Strings of 30mA LEDs
PDF  21 Pages
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Manufacturer  SEMTECH [Semtech Corporation]
Direct Link  http://www.semtech.com
Logo SEMTECH - Semtech Corporation

SC440AEVB Datasheet(HTML) 5 Page - Semtech Corporation

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SC440A
5
www.semtech.com
© 2010 Semtech Corp.
Typical Characteristics
UVLO Threshold vs Temperature
Rising
Falling
4
4.1
4.2
4.3
4.4
-40
-20
0
20
406080
Temperature (ºC)
Switching Frequency vs Temperature
VIN=4.5V
VIN = 21V
765
775
785
795
805
-40
-20
0
2040
6080
Temperature (ºC)
IO Pin Sense Voltage vs LED Current
Vin=12V, 8 LEDs per string
Ta = 25°C
100
200
300
400
500
600
700
5
1015
2025
30
LED Current (mA)
OVPIN Threshold Voltage vs Temperature
VIN = 12V
1.5
1.51
1.52
1.53
1.54
1.55
-40
-20
0
20
406080
Temperature (ºC)
SS Current vs Temperature
VIN = 12V
Source
Sink
1
2
3
4
5
6
-40
-20
0
20406080
Temperature (ºC)
COM P Current vs Temperature
VIN=12V
Source
Sink
4.5
5
5.5
6
6.5
7
7.5
8
8.5
-40
-20
0
2040
6080
Temperature (ºC)



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