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MIC3263 Datasheet(PDF) 7 Page - Micrel Semiconductor

Part # MIC3263
Description  Six-Channel WLED Driver for Backlighting Applications with Flicker-Free Dimming
PDF  32 Pages
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Manufacturer  MICREL [Micrel Semiconductor]
Direct Link  http://www.micrel.com
Logo MICREL - Micrel Semiconductor

MIC3263 Datasheet(HTML) 7 Page - Micrel Semiconductor

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Micrel, Inc.
MIC3263
January 2010
7
M9999-012110
Typical Characteristics
Dimming Efficiency
vs. Input Voltage
70
75
80
85
90
95
611
16
INPUT VOLTAGE (V)
100% PWMD
72% PWMD
52% PWMD
37% PWMD
27% PWMD
19% PWMD
%
-1.5
-1.0
-0.5
0.0
0.5
1.0
1.5
2.0
I
Change in ILEDs
vs. Input Voltage
510
15
20
NPUT VOLTAGE (V)
Ch1
Ch2
Ch3
Ch4
Ch5
Ch6
ILEDs vs.
29.5
29.6
29.7
29.8
29.9
30.0
30.1
30.2
30.3
30.4
30.5
51
INPUT V
Ch1
Ch2
Ch3
Ch4
Ch5
Ch6
Input Voltage
0
15
20
OLTAGE (V)
VDD Voltage
vs. Input Voltage
4.50
4.60
4.70
4.80
4.90
5.00
510
15
INPUT VOLTAGE (V)
20
25°C
Switching Frequency
vs. Input Voltage
900
910
920
930
940
950
510
15
20
INPUT VOLTAGE (V)
25°C
ILED @15mA
vs. Temperature
14.95
15.00
15.05
15.10
15.15
15.20
15.25
15.30
-40
-20
0
20
40
60
80
100 120
TEMPERATURE (°C)
Ch1
Ch2
Ch3
Ch4
Ch5
Ch6
% Change in ILED@30mA
vs. Temperature
-1.00
-0.80
-0.60
-0.40
-0.20
0.00
0.20
0.40
0.60
0.80
1.00
-40 -20 0
20 40 60 80 100 120
TEMPERATURE (°C)
ILED @30mA
vs. Temperature
29.0
29.2
29.4
29.6
29.8
30.0
30.2
30.4
-40 -20
0
20 40 60 80 100 120
TEMPERATURE (°C)
Ch1
Ch2
Ch3
Ch4
Ch5
Ch6
Ch1
Ch5
Ch4
Ch3
Ch2
Ch6
% Change in ILED @15mA
vs. Temperature
-1.00
-0.80
-0.60
-0.40
-0.20
0.00
0.20
0.40
0.60
0.80
-40 -20 0
20 40 60 80 100 120
TEMPERATURE (°C)
Ch1
Ch2
Ch3
Ch4
Ch5
Ch6



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