参数资料
型号: SC668ULTRT
厂商: Semtech
文件页数: 21/46页
文件大小: 0K
描述: IC LED DRVR LMU 8CH MLPQUT20
特色产品: Semtech sc667 and sc668
标准包装: 1
拓扑: 线性(LDO),PWM
输出数: 12
内部驱动器:
类型 - 主要: 背光,LED 闪烁器,照明管理装置(LMU)
频率: 400kHz
电源电压: 2.9 V ~ 5.5 V
安装类型: 表面贴装
封装/外壳: 20-UFQFN 裸露焊盘
供应商设备封装: 20-MLPQ(3x3)
包装: 标准包装
工作温度: -40°C ~ 85°C
其它名称: SC668ULDKR
SC668
Applications Information (continued)
NOTES:
0.5
0.4
· = Programmable backlight steps, о = Non-programmable fade/breathe steps
12
11
0.3
10
0.2
0.1
9
0.0
0
2
4
Step Count
6
8
10
8
64
68
72
Step Count
76
80
6.0
5.0
Figure 10 — Backlight Steps (0.0mA to 0.5mA)
Figure 13 — Backlight Steps (8.0mA to 12.0mA)
27
24
4.0
21
3.0
18
2.0
1.0
15
0.0
10
20
30
40
Step Count
50
60
12
80
85
90
95
Step Count
100
105
110
8.0
7.5
Figure 11 — Backlight Steps (0.5mA to 6.0mA)
Figure 14 — Backlight Steps (12.0mA to 25.0mA)
25
20
15
7.0
10
6.5
5
6.0
54
56
58
Step Count
60
62
64
0
0
20
40
60
Step Count
80
100
120
Figure 12 — Backlight Steps (6.0mA to 8.0mA)
Figure 15 — Backlight Steps (0.0mA to 25.0mA)
21
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