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MIC2874YCS 데이터시트(PDF) 6 Page - Micrel Semiconductor

부품명 MIC2874YCS
상세설명  1.2A High-Brightness Flash LED Driver with Single-Wire Serial Interface
PDF  22 Pages
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제조업체  MICREL [Micrel Semiconductor]
홈페이지  http://www.micrel.com
Logo MICREL - Micrel Semiconductor

MIC2874YCS 데이터시트(HTML) 6 Page - Micrel Semiconductor

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Micrel, Inc.
MIC2874
Typical Characteristics (Continued)
50
60
70
80
90
100
2.6
3.0
3.4
3.8
4.2
4.6
5.0
INPUT VOLTAGE (V)
WLED Power Efficiency
vs. Input Voltage (V
F = 3.8V)
I
LED =400mA
I
LED =600mA
I
LED =1.0A
I
LED =1.2A
L = 0.47µH, 13m
Ω
C
OUT = 4.7µF
LED V
F = 3.8V
I
LED =100mA
I
LED =250mA
I
LED =1.2A
-10
-8
-6
-4
-2
0
2
4
6
8
10
2.5
3
3.5
4
4.5
5
5.5
INPUT VOLTAGE (V)
Full Torch ILED Accuracy
vs. Input Voltage
T
A = 25°C
T
A = 115°C
T
A = -40°C
F
SW = 4MHz
I
LED = 300mA
-10
-8
-6
-4
-2
0
2
4
6
8
10
2.5
3
3.5
4
4.5
5
5.5
INPUT VOLTAGE (V)
Full Flash ILED Accuracy
vs. Input Voltage
T
A = 25°C TA = 115°C
T
A = -40°C
F
SW = 4MHz
I
LED = 1.2A
August 26, 2014
6
Revision 1.0



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