LV52205MU 查看數據表（PDF） - ON Semiconductor
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LV52205MU Datasheet PDF : 12 Pages
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LV52205MU
Typical Characteristics (VIN = 3.6V, L = 22H, T = 25C, unless otherwise specified)
Efficiency -- Output current
100 VIN=3.8V
90
8LED
80
10LED
11LED
70
60
50
40
0
5
10
15
20
LED current -- mA
FB voltage -- PWM duty
200
150
100
50
0
0 10 20 30 40 50 60 70 80 90 100
PWM duty -- %
LED current -- PWM frequency
20
15
75%
10
50%
5
25%
0
0.1
1
10
100
PWM frequency -- kHz
OVP voltage - Temperature
43
42
41
40
39
38
37
36
- 40
- 20
0
20
40
60
Temperature -- °C
80
100
Efficiency -- Output current
100 10LED
90
4.2V
80
3.6V 3.0V
70
60
50
40
0
200
180
160
140
120
100
80
60
40
20
0
--30
1
5
10
15
20
LED current -- mA
FB voltage -- Temperature
Duty=100%
Duty=50%
Duty=10%
--15
0
15
30
45
60
75
90
Temperature -- °C
VIN current - Temperature
0.8
0.6
0.4
0.2
0
- 40
- 20
0
20
40
60
Temperature -- °C
80
100
UVLO voltage - Temperature
2.40
2.35
2.30
2.25
2.20
2.15
2.10
- 40
- 20
0
20
40
60
Temperature -- °C
80
100
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