MIC3205YML 데이터 시트보기 (PDF) - Micrel
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MIC3205YML Datasheet PDF : 23 Pages
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Micrel, Inc.
Typical Characteristics
Efficiency (ILED = 1A)
vs. Input Voltage
100
95
90
4 LED
85
L = 47µH
80
1 LED
75 L = 22µH
6 LED
L = 68µH
10 LED
L = 33µH
70
65
60
0
9
18
27
36
45
INPUT VOLTAGE (V)
VCC Output Voltage
vs. Input Voltage
6.0
TA = 25°C
ILED = 1A
5.5
5.0
4.5
4.0
0
9
18
27
36
45
INPUT VOLTAGE (V)
CTIMER Current
vs. Input Voltage
70
VEN = VIN
68
TA = 25°C
66
64
62
60
0
9
18
27
36
45
INPUT VOLTAGE (V)
MIC3205
VIN Supply Current
vs. Input Voltage
3.0
ILED = 0A
2.5
TA = 25°C
2.0
1.5
1.0
0.5
0.0
0
9
18
27
36
45
INPUT VOLTAGE (V)
Normalized Switching Frequency
vs. Input Voltage
2.0
ILED = 1A
RCS = 0.2Ω
1.5
1 LED
L = 22µH
1.0
4 LED
0.5 L = 47µH
6 LED
L = 68µH
10 LED
L = 33µH
0.0
0
9
18
27
36
45
INPUT VOLTAGE (V)
Enable Threshold
vs. Input Voltage
1.5
ILED = 1A
TA = 25°C
1.2
RISING
0.9
FALLING
0.6
0.3
0.0
0
HYST
9
18
27
36
45
INPUT VOLTAGE (V)
VIN Shutdown Current
vs. Input Voltage
1.0
VEN = 0V
ILED = 0A
0.8
TA = 25°C
0.6
0.4
0.2
0.0
0
9
18
27
36
45
INPUT VOLTAGE (V)
ILED Output Current
vs. Input Voltage
1.10
1.05
TA = 25°C
RCS = 0.2Ω
1.00
1 LED
L = 22µH
0.95
4 LED
L = 47µH
6 LED
L = 68µH
0.90
0
9
18
27
36
45
INPUT VOLTAGE (V)
Enable Bias Current
vs. Input Voltage
100
VEN = VIN
TA = 25°C
80 ILED = 0A
60
40
20
0
0
9
18
27
36
45
INPUT VOLTAGE (V)
October 2012
5
M9999-102312-A
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