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CAT3603 Datasheet(PDF) 3 Page - Catalyst Semiconductor

Part # CAT3603
Description  3-Channel LED Driver in 3x3mm Package
PDF  12 Pages
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Manufacturer  CATALYST [Catalyst Semiconductor]
Direct Link  http://www.catalyst-semiconductor.com
Logo CATALYST - Catalyst Semiconductor

CAT3603 Datasheet(HTML) 3 Page - Catalyst Semiconductor

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CAT3603
© 2006 Catalyst Semiconductor, Inc.
3
Doc. No. 5017 Rev. C
Characteristics subject to change without notice
TYPICAL CHARACTERISTICS
VIN = 3.6V, IOUT = 60mA (3 LEDs at 20mA), C1 = C2 = CIN = COUT = 1µF, TAMB = 25°C unless otherwise specified.
Efficiency vs. Input Voltage (3 LEDs on)
40
50
60
70
80
90
100
3.0
3.2
3.4
3.6
3.8
4.0
4.2
INPUT VOLTAGE [V]
20mA
per LED
15mA
per LED
1x Mode
1.5x Mode
Efficiency vs. Total LED Current (3 LEDs)
40
50
60
70
80
90
100
0
2040
6080
100
LED CURRENT [mA]
VIN = 4V (1x Mode)
VIN = 3.2V (1.5x Mode)
Quiescent Current vs. Input Voltage (1x Mode)
0.0
0.2
0.4
0.6
0.8
3.0
3.2 3.4
3.6
3.8 4.0
4.2
INPUT VOLTAGE [V]
LEDs Off
Quiescent Current vs. Temperature (1x Mode)
0.0
0.2
0.4
0.6
0.8
-40
0
40
80
120
TEMPERATURE [°C]
LEDs Off
Quiescent Current vs. Input Voltage (1.5x Mode)
0.0
1.0
2.0
3.0
4.0
5.0
6.0
3.0
3.2 3.4
3.6
3.8 4.0
4.2
INPUT VOLTAGE [V]
LEDs Off
Quiescent Current vs. Temperature (1.5x Mode)
0.0
1.0
2.0
3.0
4.0
5.0
6.0
-40
0
40
80
120
TEMPERATURE [°C]
LEDs Off



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