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SC614 Datasheet(PDF) 23 Page - Semtech Corporation

Part # SC614
Description  Low Noise Backlight and Flash Driver With Serial Interface
PDF  25 Pages
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Manufacturer  SEMTECH [Semtech Corporation]
Direct Link  http://www.semtech.com
Logo SEMTECH - Semtech Corporation

SC614 Datasheet(HTML) 23 Page - Semtech Corporation

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© 2006 Semtech Corp.
POWER MANAGEMENT
SC614
United States Patent No. 6,504,422
www.semtech.com
23
POWER MANAGEMENT
Typical Characteristics (Cont.)
300
400
500
600
700
800
900
3.0
3.2
3.4
3.6
3.8
4.0
4.2
VBAT(V)
LED 1-4 = 20mA
LED 5-7 = 100mA
LED VF = 3.388V
Battery Current (Main and Flash)
40
60
80
100
120
140
3.0
3.2
3.4
3.6
3.8
4.0
4.2
VBAT(V)
LED 1-4 = 20mA
LED VF = 3.23V
Battery Current (Main only)
30
40
50
60
70
80
90
100
3.03.2
3.43.6
3.84.0
4.2
Utilized Power Efficiency
Conversion Efficiency
LED 1-4 = 20mA
LED 5-7 = 100mA
LED VF = 3.388V
VBAT(V)
Power Efficiency (Main and Flash)
30
40
50
60
70
80
90
100
3.0
3.2
3.4
3.6
3.8
4.0
4.2
Utilized Power Efficiency
Conversion Efficiency
LED 1-4 = 20mA
LED VF = 3.23V
VBAT(V)
Power Efficiency (Main only)



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